Acyclic Nitrogen Bonded Directly To A -c(=x)- Group, Wherein X Is Chalcogen Patents (Class 546/336)
  • Patent number: 5643914
    Abstract: This invention relates to a compound of formula 1 ##STR1## or an N-oxide, or a pharmaceutically acceptable salt, where A is CH.sub.2 and Z is S(O).sub.q where q is 0, 1 or 2, CH.sub.2, CHOH, CO, NR.sub.x, or O, orA is C.dbd.O and Z is NR.sub.x ;m is 0-5;R.sub.x is hydrogen or lower alkyl;R is C.sub.1 to C.sub.20 -aliphatic, unsubstituted or substituted five-membered heteroaryl-C.sub.1 to C.sub.10 -aliphatic-O--, unsubstituted or substituted phenyl-C.sub.1 to C.sub.10 -aliphatic where substituted p from the group consisting of lower alkoxy, lower alkyl, trihalomethyl, and halo, or R is C.sub.1 to C.sub.20 -aliphatic-O--, or R is unsubstituted or substituted phenyl-C.sub.1 to C.sub.10 -aliphatic-O-- where substituted phenyl has one or more radicals selected from the group consisting of lower alkoxy, lower alkyl, trihalomethyl, and halo;R.sub.1 is R.sub.4, --(C.sub.1 to C.sub.5 aliphatic)R.sub.4, --(C.sub.1 to C.sub.5 aliphatic)CHO, --(C.sub.1 to C.sub.5 aliphatic)CH.sub.2 OR.sub.5;R.sub.2 and R.sub.
    Type: Grant
    Filed: December 19, 1994
    Date of Patent: July 1, 1997
    Assignee: SmithKline Beecham Corporation
    Inventor: Robert A. Daines
  • Patent number: 5641887
    Abstract: The present invention provides a chelating agent suitable for chelating metals metals in liquid or supercritical carbon dioxide. The chelating agent comprises generally a conventional chelating group and a CO.sub.2 -soluble functional group covalently attached to the chelating group. Examples of suitable CO.sub.2 -soluble functional groups include fluorinated polyether groups, silicone groups, fluorinated polyalkyl groups, phosphazene groups and fluorinated polyacrylate groups. The present invention also provides a method of extracting a metal from a matrix containing at least one other material and the metal using such CO.sub.2 -soluble chelating agents.
    Type: Grant
    Filed: April 1, 1994
    Date of Patent: June 24, 1997
    Assignee: University of Pittsburgh
    Inventors: Eric J. Beckman, Alan J. Russell
  • Patent number: 5637701
    Abstract: A novel asymmetric synthesis is provided for preparing optically active amides of formula (A) and their salts. ##STR1## In the formula, X represent --N-- or --CH--, R represents a mono or bicyclic aryl or heteroaryl group, R.sup.1 is an aryl or heteroaryl radical, and R.sup.2 and R.sup.3 have specified meanings. The products are useful as 5-HT.sub.1A antagonists.Novel diesters of formula D useful as intermediates in the process are also disclosed.
    Type: Grant
    Filed: April 11, 1995
    Date of Patent: June 10, 1997
    Assignee: John Wyeth & Brother, Limited
    Inventor: Mark A. Ashwell
  • Patent number: 5633231
    Abstract: The present invention relates to valine-containing, substituted pseudopeptides of the general formula (I) ##STR1## in which the substituents have the meaning given in the description, to processes for their preparation, and to their use as anti-viral agents, in particular against cytomegaloviruses.
    Type: Grant
    Filed: September 7, 1994
    Date of Patent: May 27, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dieter Habich, Thomas J. Schulze, Jurgen Reefschlager, Jutta Hansen, Rainer Neumann, Gert Streissle, Arnold Paessens
  • Patent number: 5629323
    Abstract: Amide Derivatives of formula (I) wherein R.sup.1 is a mono or bicyclic heteroaryl radical, R.sup.2 is cycloalkyl, R.sup.3 and R.sup.4 each represent hydrogen or lower alkyl, and R.sup.5 is a group of formula (A) or (B) or (C): R.sup.8 --CH.sub.2 --CH.sub.2 -- or (D) or (E): R.sup.9 OCH.sub.2 CHOHCH.sub.2 -- or (F): R.sup.9 OCH.sub.2 CH.sub.2 -- and their pharmaceutically acceptable salts are 5-HT.sub.1A binding agents and may be used, for example, as anxiolytics.
    Type: Grant
    Filed: May 25, 1995
    Date of Patent: May 13, 1997
    Assignee: John Wyeth & Brother, Ltd.
    Inventors: Ian A. Cliffe, Anderson D. Ifill
  • Patent number: 5605915
    Abstract: Compounds of the formula ##STR1## wherein the symbols have the meaning defined in the specification.
    Type: Grant
    Filed: May 31, 1996
    Date of Patent: February 25, 1997
    Assignee: Allergan
    Inventors: Vidyasagar Vuligonda, Richard L. Beard, Alan T. Johnson, Min Teng, Tae K. Song, Roshantha A. Chandraratna
  • Patent number: 5602119
    Abstract: Succinoylamino hydroxyethylamino sulfamic acid derivative compounds which are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease.
    Type: Grant
    Filed: January 31, 1995
    Date of Patent: February 11, 1997
    Inventors: Michael L. Vazquez, Richard A. Mueller, John J. Talley, Daniel P. Getman, Gary A. DeCrescenzo, Eric T. Sun
  • Patent number: 5599951
    Abstract: Amino acid derivatives of formula (Ia) and (Ib) and prodrugs thereof containing a group responsible for chelating the zinc atom of enkephalinase and angiotensin convertase enzymes are disclosed as inhibitors of these enzymes.
    Type: Grant
    Filed: April 14, 1995
    Date of Patent: February 4, 1997
    Assignee: Societe Civile Bioprojet
    Inventors: Jean-Christophe Plaquevent, Denis Danvy, Thierry Monteil, Claude Gros, Jean-Charles Schwartz, Jeanne-Marie LeComte, Helene Greciet, Lucette Duhamel, Pierre Duhamel
  • Patent number: 5597837
    Abstract: Methods of inhibiting cell proliferation in a patient suffering from such disorder comprising the use of a styryl-substituted heteroaryl compound wherein the heteroaryl group is a monocyclic ring with 1 or 2 heteroatoms, or a bicyclic ring with 1 to about 4 heteroatoms, said compound optionally substituted or polysubstituted, with the proviso that when said ring is polysubstituted, the substituents do not have a common point of attachment to said ring, and those compounds wherein no substituent on the heteroaryl group is a carboxy group or an ester group, and pharmaceutical compositions comprising such compounds.
    Type: Grant
    Filed: April 11, 1994
    Date of Patent: January 28, 1997
    Assignee: Rh one-Poulenc Rorer Pharmaceuticals Inc.
    Inventors: Alfred P. Spada, Paul E. Persons
  • Patent number: 5583132
    Abstract: Sulfonylalkanoylamino hydroxyethylamino sulfamic acid compounds which are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease.
    Type: Grant
    Filed: February 2, 1995
    Date of Patent: December 10, 1996
    Inventors: Michael L. Vazquez, Richard A. Mueller, John J. Talley, Daniel P. Getman, Gary A. DeCrescenzo, Eric T. Sun
  • Patent number: 5580983
    Abstract: 2-Chloro-5-(N-acyl-aminomethyl)pyridines can be prepared by hydrogenation of 2-chloro-5-cyanopyridine with hydrogen in an acylating agent using a hydrogenation catalyst.
    Type: Grant
    Filed: June 27, 1995
    Date of Patent: December 3, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventor: Helmut Kraus
  • Patent number: 5569774
    Abstract: Chlorine-substituted olefins I ##STR1## (R.sup.1 =organic radical; R.sup.2 =--CN, --CO--R.sup.3, --CO--S--R.sup.3, --CO--O--R.sup.3 --CO--N(R.sup.4,R.sup.5); R.sup.3 =organic radical; R.sup.4, R.sup.5 =H, organic radical)are prepared by reacting oxiranes II ##STR2## in the presence of a carboxamide (IIIa) or of a lactam (IIIb) in liquid phase with a chlorinating agent (IV). The products I are important intermediates for dyes, drugs and crop protection agents.
    Type: Grant
    Filed: September 20, 1994
    Date of Patent: October 29, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Schaefer, Irene Troetsch-Schaller
  • Patent number: 5569665
    Abstract: Metalloproteinase inhibitors are provided which are selective inhibitors of the action of gelatinase, and may be of use in the treatment of cancer to control the development of tumour metastases.
    Type: Grant
    Filed: June 27, 1994
    Date of Patent: October 29, 1996
    Assignee: Celltech Limited
    Inventors: John R. Porter, John R. Morphy, Thomas A. Millican, Nigel R. A. Beeley
  • Patent number: 5563161
    Abstract: Compounds of formula (I), and salt and prodrugs thereof, wherein Q is optionally substituted phenyl or benzhydryl; R.sup.1 is H; optionally substituted C.sub.1-6 alkyl; optionally substituted phenyl(C.sub.1-4 alkyl); C.sub.2-6 alkenyl; C.sub.2-6 alkynyl; COR.sup.a ; COOR.sup.a ; COHet; COC.sub.1-6 alkylhalo; COC.sub.1-6 alkylNR.sup.a R.sup.b ; CONR.sup.12 C.sub.1-6 alkylCONR.sup.a R.sup.b ; CONR.sup.a R.sup.b ; or SO.sub.2 R.sup.a ; R.sup.2 represents H, C.sub.1-6 alkyl or C.sub.2-6 alkenyl; or R.sup.1 and R.sup.2 together form a chain (CH.sub.2).sub.q optionally substituted by oxo where q is 4 or 5 and where one methylene group may optionally be replaced by an oxygen atom or a group NR.sup.x, where R.sup.x is H or C.sub.1-6 alkyl; R.sup.3 is C.sub.1-3 alkyl substituted by optionally substituted phenyl; R.sup.4 and R.sup.5 are each H, C.sub.1-6 alkyl or C.sub.2-6 alkenyl; and Z represents O or S; are tachykinin receptor antagonists useful in therapy.
    Type: Grant
    Filed: March 10, 1995
    Date of Patent: October 8, 1996
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Ian T. Huscroft, Graeme I. Stevenson, Brain J. Williams
  • Patent number: 5563151
    Abstract: Compounds of general formula I: ##STR1## wherein W represents imidazo [4,5-c]pyridin-1-yl, imidazo [4,5-c]pyridin-3-yl and imidazo [4,5-c]pyridin-5-yl optionally substituted with one or more --C.sub.1 -C.sub.6 alkyl substituents; Z represents a) a divalent alkanediyl, alkenediyl or alkynediyl group; b) a --(CH.sub.2).sub.q U(CH.sub.2).sub.r -- group, optionally substituted, wherein q is an integer from 0-3, r is an integer from 0-3 and U is --O-- or --S--; Q represents a carbonyl, thiocarbonyl or sulphonyl group; B represents a) a --VR.sup.8 group wherein V is --C(.dbd.O)O-- or --CH.sub.2 O--; are antagonists of platelet activating factor (PAF).
    Type: Grant
    Filed: September 1, 1994
    Date of Patent: October 8, 1996
    Assignee: British Biotech Pharmaceuticals limited
    Inventors: Stephen A. Bowles, Andrew Miller, Mark Whittaker
  • Patent number: 5557006
    Abstract: Novel 1-alkyl-, 1-alkenyl-, and 1-alkynylaryl-2-amino-1,3-propanediols, intermediates and processes for the preparation thereof, and methods of reducing inflammation and cell proliferation, and relieving memory dysfunction, and inhibiting bacterial and fungal growth fire disclosed.
    Type: Grant
    Filed: April 20, 1995
    Date of Patent: September 17, 1996
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: John J. Tegeler, Barbara S. Rauckman, Russell R. L. Hamer, Brian S. Freed, Gregory H. Merriman
  • Patent number: 5543423
    Abstract: The present invention relates to compounds that can maintain, increase, or restore sensitivity of cells to therapeutic or prophylactic agents. This invention also relates to pharmaceutical compositions comprising these compounds. The compounds and pharmaceutical compositions of this invention are particularly well-suited for treatment of multi-drug resistant cells, for prevention of the development of multi-drug resistance, and for use in multi-drug resistant cancer therapy.
    Type: Grant
    Filed: January 23, 1995
    Date of Patent: August 6, 1996
    Assignee: Vertex Pharmaceuticals, Incorporated
    Inventors: Robert E. Zelle, Matthew W. Harding
  • Patent number: 5525633
    Abstract: The present invention relates to novel triaryl-ethylene derivatives that are useful as anti-neoplastic agents, antiatherosclerotic agents, and hypocholesterolemic agents.
    Type: Grant
    Filed: June 15, 1994
    Date of Patent: June 11, 1996
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Donald P. Matthews, Alan J. Bitonti, William A. Van Sickle, Donald A. Kaplan
  • Patent number: 5506242
    Abstract: The invention relates to a method of inhibiting metalloellastase activity, of inhibiting the degradation of elastin, or of treating macrophage metalloelastase dependent conditions in mammals which comprises administering to a mammal in need thereof an effective macrophage metalloelastase inhibiting amount of a compound of formula I ##STR1## wherein Ar, R, R.sub.1 and R.sub.2 have meanings as defined, or of a pharmaceutically acceptable prodrug derivative thereof, or of a pharmaceutically acceptable salt thereof, or of pharmaceutical compositions comprising a said compound.
    Type: Grant
    Filed: June 24, 1994
    Date of Patent: April 9, 1996
    Assignee: Ciba-Geigy Corporation
    Inventors: Lawrence J. MacPherson, David T. Parker, Arco Y. Jeng
  • Patent number: 5504212
    Abstract: The present invention is directed to compounds which inhibit farnesyl-protein transferase (FTase) and the farnesylation of the oncogene protein Ras. The invention is further directed to chemotherapeutic compositions containing the compounds of this invention and methods for inhibiting farnesyl-protein transferase and the farnesylation of the oncogene protein Ras.
    Type: Grant
    Filed: October 29, 1992
    Date of Patent: April 2, 1996
    Assignee: Merck & Co., Inc.
    Inventors: S. Jane de Solms, Samuel L. Graham, John S. Wai
  • Patent number: 5476863
    Abstract: A glycerin derivative having the following formula (I) or (I') and a pharmacologically acceptable salt thereof are useful to treat diseases caused by the platelet activating factor.
    Type: Grant
    Filed: September 30, 1993
    Date of Patent: December 19, 1995
    Assignee: Eisai Co., Ltd.
    Inventors: Kazuo Okano, Osamu Asano, Naoyuki Shimomura, Tetsuya Kawahara, Shinya Abe, Shuhei Miyazawa, Mitsuaki Miyamoto, Hiroyuki Yoshimura, Koukichi Harada, Junsaku Nagaoka, Tsutomu Kawata, Tsutomu Yoshimura, Hiromasa Suzuki, Shigeru Souda, Yoshimasa Machida, Kouichi Katayama, Isao Yamatsu
  • Patent number: 5476864
    Abstract: A glycerin derivative having the following formula (I) or (I') and a pharmacologically acceptable salt thereof are useful to treat diseases caused by the platelet activating factor.
    Type: Grant
    Filed: November 10, 1993
    Date of Patent: December 19, 1995
    Assignee: Eisai Co., Ltd.
    Inventors: Kazuo Okano, Osamu Asano, Naoyuki Shimomura, Tetsuya Kawahara, Shinya Abe, Shuhei Miyazawa, Mitsuaki Miyamoto, Hiroyuki Yoshimura, Koukichi Harada, Junsaku Nagaoka, Tsutomu Kawata, Tsutomu Yoshimura, Hiromasa Suzuki, Shigeru Souda, Yoshimasa Machida, Kouichi Katayama, Isao Yamatsu
  • Patent number: 5457118
    Type: Grant
    Filed: April 20, 1994
    Date of Patent: October 10, 1995
    Assignee: Pfizer Inc.
    Inventors: Roger P. Dickinson, Kevin N. Dack, John Steele
  • Patent number: 5455258
    Abstract: Particularly the invention relates to the compounds of formula I ##STR1## (a) wherein Ar is carbocyclic or heterocyclic aryl;R is hydrogen, lower alkyl, carbocyclic aryl-lower alkyl, carbocyclic aryl, heterocyclic aryl, biaryl, biaryl-lower alkyl, heterocyclic aryl-lower alkyl, mono- or poly-halo-lower alkyl, C.sub.3 -C.sub.7 -cycloalkyl, C.sub.3 -C.sub.7 -cycloalkyl-lower alkyl, hydroxy-lower alkyl, acyloxy-lower alkyl, lower alkoxy-lower alkyl, lower alkyl-(thio, sulfinyl or sulfonyl)-lower alkyl, amino, mono- or di-lower alkylamino)-lower alkyl, acylamino-lower alkyl, (N-lower alkyl-piperazino or N-aryl-lower alkylpiperazino)-lower alkyl, or (morpholino, thiomorpholino, piperidino, pyrrolidino, piperidyl or N-lower alkylpiperidyl)-lower alkyl;R.sub.1 is hydrogen, lower alkyl, carbocyclic aryl-lower alkyl, carbocyclic aryl, heterocyclic aryl, biaryl, biaryl-lower alkyl, heterocyclic aryl-lower alkyl, mono- or poly-halo-lower alkyl, C.sub.3 -C.sub.7 -cycloalkyl, C.sub.3 -C.sub.
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: October 3, 1995
    Assignee: Ciba-Geigy Corporation
    Inventors: Lawrence J. MacPherson, David T. Parker
  • Patent number: 5436344
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1 is hydrogen, fluoro, chloro, bromo, nitro, trifluoromethyl, C.sub.1 to C.sub.4 alkoxy, C.sub.1 to C.sub.4 alkylthio or C.sub.1 to C.sub.6 alkyl and R.sup.2 is a group of the formula ##STR2## wherein R.sup.3 is hydrogen or C.sub.1 to C.sub.6 alkyl, R.sup.4 is --CH.dbd.C.sub.2, --CH.sub.2 --YR.sup.5, or --COR.sup.6, R.sup.5 is hydrogen or an acid labile alcohol protecting group, Y is oxygen or sulfur, and R.sup.6 is --NR.sup.7 R.sup.8 or --OR.sup.9 wherein R.sup.7, R.sup.8 and R.sup.9 are independently selected from hydrogen or C.sub.1 to C.sub.6 alkyl, or an alkaline or alkaline earth metal salt thereof, which are intermediates in the preparation of hydantoin aldose reductase inhibitors and methods of preparing these intermediates.
    Type: Grant
    Filed: March 18, 1994
    Date of Patent: July 25, 1995
    Assignee: Pfizer Inc.
    Inventor: George J. Quallich
  • Patent number: 5424438
    Abstract: Polishes for metal surfaces, based on dispersions of waxes, fluorinated polymers and perfluoropolyoxyalkylene oils acquire high gloss characteristics combined with improved water-repellency and resistance to soiling of 0.1-5% by weight of at least a cationic emulsifier comprised in the general formula(I) R-L-Q.sup.+ X.sup.-where:R=a chain of perfluoropolyoxyalkylene units;L=a divalent organic group;Q=a polar group;X=a halogen, or a group of formulaCH.sub.3 -Phenylene-SO.sub.3.sup.-R"SO.sub.3.sup.-R"=F-(CF.sub.2).sub.m -;t=1 or 2;m=1-4.The polished containing the emulsifiers of formula (I) as well as the compounds comprised in said formula are claimed as new products.
    Type: Grant
    Filed: January 6, 1994
    Date of Patent: June 13, 1995
    Assignee: Ausimont S.p.A.
    Inventors: Alba Chittofrati, Viviana Boselli, Giovanni Gavazzi, Ezio Strepparola, Renato Spiti, Silvia Tresoldi
  • Patent number: 5424325
    Abstract: Aminoketone derivatives according to the present invention strongly inhibit thiol protease such as calpain, papain, cathepsin B, cathepsin H, cathepsin L or the like and have excellent properties concerning absorbance on oral administration, tissue distribution and cell membrane permeability. The aminoketone derivatives cart thus be used as therapeutic agents for treating muscular dystrophy, cataract, cardiac infarction, stroke, Alzheimer's disease, amyotrophy, osteoporosis and hypercalcemia and so on. It may also be used as therapeutic agents for preventing metastasis of cancer. In addition, the present derivatives are also applicable as intermediates for the preparation of ketone derivatives, which have inhibitory activity against thiol protease.
    Type: Grant
    Filed: December 22, 1993
    Date of Patent: June 13, 1995
    Assignee: Mitsubishi Kasei Corporation
    Inventors: Ryoichi Ando, Naoko Ando, Hirokazu Masuda, Toshiro Sasaki, Yasuhiro Morinaka, Chizuko Takahashi, Yoshikuni Tamao, Akihiro Tobe
  • Patent number: 5399575
    Abstract: Compounds of the formula I ##STR1## in which A signifies an alkylene radical with 1 to 3 carbon atoms or a group --CH.dbd.CH--, B an oxygen atom or a valency bond, m a whole number from 0 to 5, n the number 0 or 1, X a valency bond, an oxygen atom or a sulphur atom, Y a valency bond or a phenylene radical substituted, if desired, one or more times by C.sub.1 - to C.sub.6 -alkyl, C.sub.1 - to C.sub.6 -alkoxy, halogen, hydroxyl or aminocarbonyl, Z hydrogen, halogen, C.sub.1 - to C.sub.6 -alkyl or cyano and R a group CN, COOH, COOC.sub.1 - to C.sub.6 -alkyl, CONH-tetrazolyl, CON(OH)(C.sub.1 -C.sub.6 -alkyl) or 5-(1H)-tetrazolyl, as well as, for the case that Y represents a phenylene radical, also hydrogen, with the exception of the compound 4-[2-(4)-pyridinovinyl]-carboxymethoxybenzene, their physiologically compatible salts and processes for their preparation, as well as medicaments containing these compounds for the treatment of allergic diseases.
    Type: Grant
    Filed: June 14, 1993
    Date of Patent: March 21, 1995
    Assignee: Boehringer Mannheim GmbH
    Inventors: Walter-Gunar Friebe, Wolfgang Kampe, Marcel Linssen, Otto-Henning Wilhelms
  • Patent number: 5393764
    Abstract: The compounds of the present invention comprise substituted phenolic thioethers represented by the formula ##STR1## wherein: R.sup.1 and R.sup.2 are the same or different and independently represent tert-alkyl or phenyl; R.sup.3 represents hydrogen or alkyl; X represents --(CH.sub.2).sub.w --B--(CH.sub.2).sub.y -- wherein B represents O, S, or CH.sub.2 and w and y can each independently be an integer from 0 to 3 with the proviso that the sum of w+y is equal to or less than 3; A represents O or S(O).sub.n wherein n is 0, 1 or 2; p is an integer from 1 to 4; and R represents alkyl; OH; OR.sup.4 wherein R.sup.4 is alkyl of 1 to 4 carbon atoms; NR.sup.5 R.sup.6 wherein R.sup.5 is hydrogen or alkyl and R.sup.6 is hydrogen, alkyl, heterocyclealkyl in which the hetercyclic ring may optionally be substituted; cycloalkyl; substituted cycloalkyl; phenyl; substituted phenyl; phenylalkyl; or substituted phenylalkyl; or NR.sup.5 R.sup.6 together form a heterocyclic ring which may optionally be substituted; or R is (CH.
    Type: Grant
    Filed: August 25, 1993
    Date of Patent: February 28, 1995
    Assignee: G. D. Searle & Co.
    Inventors: Richard A. Mueller, Richard A. Partis
  • Patent number: 5382671
    Abstract: The invention relates to a new process for the preparation of 2-chloro-5-alkylaminomethyl-pyridines of the formula (I) ##STR1## in which R represents alkyl. In this process, 2-chloro-5-aminomethyl-pyridine is reacted with formic acid at temperatures between 20.degree. C. and 200.degree. C., if appropriate in the presence of a diluent, the 2-chloro-5-formylaminomethyl-pyridine which has been formed in this process is reacted without intermediate isolation (in situ) with alkylating agents at temperatures between 0.degree. C. and 100.degree. C., if appropriate in the presence of an acid acceptor, if appropriate in the presence of a diluent, and, finally, the 2-chloro-5-(N-alkyl-N-formyl-aminomethyl)-pyridines thus formed of the general formula (V) ##STR2## in which R has the abovementioned meaning,are reacted with aqueous alkali metal hydroxide solution at temperatures between 20.degree. C. and reflux temperature, if appropriate after volatile components have been distilled off.
    Type: Grant
    Filed: February 9, 1993
    Date of Patent: January 17, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventor: Hans-Joachim Diehr
  • Patent number: 5380732
    Abstract: A compound of Formula I or a salt thereof:Ar--Q--(CH.sub.2).sub.m --A--(CH.sub.2).sub.n (CE.sup.1 .dbd.CE.sup.2).sub.a CE.sup.3 .dbd.CE.sup.4 CXNR.sup.1 R.sup.2(I)where Ar is a 6-membered heteroaromatic ring containing, as the heteroatom or heteroatoms, one or two nitrogen atoms and is optionally substituted by one or more of halogen, cyano, C.sub.1-6 -alkyl (optionally substituted by halogen), or C.sub.1-6 - alkoxy (optionally substituted by one or more of halogen or C.sub.1-6 -alkyl), or RS(O).sub.x where x is 0, 1 or 2 and R is C.sub.1-6 -alkyl optionally substituted by one or more halogen atoms,Q is --CH.sub.2 -- or --O--,m and n are each independently 0 to 7,A is --CH.sub.2 -- or --O--,a is 0 or 1,E.sup.1 to E.sup.4 are independently hydrogen, C.sub.1-4 -alkyl or halo-C.sub.1-4 -alkyl or halogen,X is oxygen or sulphur, andR.sup.1 and R.sup.2 are independently hydrogen, C.sub.1-6 alkyl or C.sub.3-6 -cycloalkyl, either being optionally substituted by one or more of C.sub.1-6 -alkyl, C.sub.
    Type: Grant
    Filed: October 13, 1992
    Date of Patent: January 10, 1995
    Assignee: Roussel-Uclaf
    Inventor: Robert J. Blade
  • Patent number: 5356914
    Abstract: Compounds of formula (I) or a pharmaceutically acceptable salt thereof: ##STR1## wherein R.sub.1 represents a 1,2,5,6-tetrahydropyridin-3-yl group N-substituted by R.sub.10 wherein R.sub.10 represents OH; a group hydrolysable in vivo to OH or hydrogen; C.sub.1-8 alkoxy; C.sub.2-8 alkenyloxy; C.sub.2-8 alkynyloxy; C.sub.3-8 cycloalkyloxy; or COR.sub.13 wherein R.sub.13 represents hydrogen, C.sub.1-8 alkyl, phenyl or phenyl C.sub.1-4 alkyl; in which any phenyl moiety is optionally substituted by up to 3 substituents independently selected from C.sub.1-6 alkoxy, C.sub.1-6 alkyl, halo, C.sub.1-6 alkoxycarbonyl, cyano, C.sub.1-6 alkylthio or C.sub.1-6 alkylsulphonyl; enhance acetylcholine function via an action at muscarinic receptors within the central nervous system and are therefore of potential use in the treatment and/or prophylaxis of dementia in mammals.
    Type: Grant
    Filed: April 5, 1993
    Date of Patent: October 18, 1994
    Assignee: Beecham Group p.l.c.
    Inventors: Steven M. Bromidge, Barry S. Orlek, Steven Dabbs
  • Patent number: 5344836
    Abstract: A fused benzenoxyacetic acid derivative of the formula (I): ##STR1## and salts thereof possess an agonistic on PGI.sub.2 receptor, so it is useful for prevention and/or treatment of thrombosis, arteriosclerosis, ischemic heart diseases, gastric ulcer and hypertention.
    Type: Grant
    Filed: November 5, 1992
    Date of Patent: September 6, 1994
    Assignee: Ono Pharmaceutical Co., Ltd.
    Inventors: Nobuyuki Hamanaka, Kanji Takahashi, Hidekado Tokumoto
  • Patent number: 5340827
    Type: Grant
    Filed: June 14, 1993
    Date of Patent: August 23, 1994
    Assignee: Celltech, Limited
    Inventors: Nigel R. A. Beeley, Thomas A. Millican
  • Patent number: 5330737
    Abstract: The present invention relates particularly to novel aminothiol ligands that are suitable for complexing with a radionuclide, such as Tc, Re, or Ga, and are useful as general imaging agents for diagnostic purposes. The ligands have the general formulae (I) and (II): ##STR1## wherein for formula I, R.sup.1 -R.sup.4, R.sup.6, R.sup.7 and R.sup.9 -R.sup.14 can each be one of H, alkyl, aryl, hydroxyalkyl, alkoxycarbonyl, etc.; R.sup.5 and R.sup.8 are suitable sulfur protecting groups; m and n are 1-3; B can be one of C(O)CHR.sup.6 CHR.sup.7 SR.sup.8, CHR.sup.9 CHR.sup.10 C(O)NHR.sup.11, or C(O)CHR.sup.12 CHR.sup.13 NHR.sup.14 ;and wherein for formula II, R.sup.15 -R.sup.18, R.sup.20 and R.sup.21 are defined in the same manner as R.sup.1 above; D and E are either C(O) or CHR.sup.17 ; F is either (CH.sub.2).sub.d NR.sup.18 (CH.sub.2).sub.e SR.sup.19 or CHNR.sup.20 R.sup.21 (CH.sub.2).sub.f SR.sup.22 ; R.sup.19 and R.sup.22 are defined in the same manner as R.sup.5 above; d, e and f are 1-3.
    Type: Grant
    Filed: December 6, 1991
    Date of Patent: July 19, 1994
    Assignee: Mallinckrodt Medical, Inc.
    Inventor: Raghavan Rajagopalan
  • Patent number: 5304604
    Abstract: Compounds of general formula I: ##STR1## wherein: R.sup.1 represents a hydrogen atom or a C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkenyl, phenyl, phenyl(C.sub.1 -C.sub.6)alkyl, C.sub.1 -C.sub.6 alkylthiomethyl, phenylthiomethyl, substituted phenylthiomethyl, phenyl(C.sub.1 -C.sub.6)alkylthiomethyl or heterocyclylthiomethyl group; or R.sup.1 represents --SR.sup.x wherein R.sup.x represents a group ##STR2## R.sup.2 represents a hydrogen atom or a C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkenyl, phenyl(C.sub.1 -C.sub.6)alkyl, cycloalkyl(C.sub.1 -C.sub.6)alkyl, or cycloalkenyl(C.sub.1 -C.sub.6)alkyl;R.sup.3 represents an amino acid residue with R or S stereochemistry or a C.sub.1 -C.sub.6 alkyl, benzyl, (C.sub.1 -C.sub.6)alkoxybenzyl or benzyloxy(C.sub.1 -C.sub.6)alkyl group;R.sup.4 represents a hydrogen atom or a methyl group;n is an integer from 1 to 6; andA represents the group --NH.sub.
    Type: Grant
    Filed: April 15, 1991
    Date of Patent: April 19, 1994
    Assignee: British Bio-technology Limited
    Inventors: Alan H. Davidson, Jonathan P. Dickens, Michael J. Crimmin
  • Patent number: 5292761
    Abstract: The invention relates to compounds of formula I: ##STR1## in which R.sub.1 represents a naphthyl radical, a dihydronaphthyl radical, a tetrahydronaphthyl radical, a quinolyl radical or a 1,4-benzodioxanyl radical, A represents a single bond, a double bond, a methylene radical, a radical of formula z.sub.1 :--CH.dbd. (z.sub.1)or a radical of formula z.sub.2 :.dbd.Ch-- (z.sub.2)the ring B represents a piperidyl radical, a pyrrolidinyl radical, or a 1,2,3,6-tetrahydropyridyl radical, and R.sub.2 represents: a hydrogen atom, a benzyl radical, or an alkyl radical having 1 to 6 carbon atoms, on condition that in one of these cases R.sub.1 is other than a naphthyl (y.sub.1), dihydronaphthyl (y.sub.2) or tetrahydronaphthyl (y.sub.3) radical and B is other than a piperidinyl radical, or an aminoalkyl radical having 1 to 6 carbon atoms, a cyanoalkyl radical having 1 to 6 carbon atoms, or a radical of formula w.sub.1 : ##STR2## in which n is 1-6 and R.sub.
    Type: Grant
    Filed: November 5, 1992
    Date of Patent: March 8, 1994
    Assignee: Adir et Compagnie
    Inventors: Gilbert Lavielle, Michel Laubie, Francis Colpaert
  • Patent number: 5278161
    Abstract: Compounds of the formula ##STR1## wherein A, B, X, Y, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are as set forth in the specification, in the form of optically pure diastereomers, mixtures of diastereomers, diastereomeric racemates or mixtures of diasteromeric racemates as well as pharmaceutically acceptable salts thereof which inhibit the activity of the natural enzyme renin and are useful in the control or prevention of high blood pressure and cardiac insufficiency are described.
    Type: Grant
    Filed: November 5, 1992
    Date of Patent: January 11, 1994
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Quirico Branca, Marie-Paule Heitz, Marcel Muller, Werner Neidhart, Stadler Heinz, Eric Vieira, Wolfgang Wostl
  • Patent number: 5252591
    Abstract: Compounds characterized generally as pyridinyl-terminated alkylamino ethynyl alanine amino diol derivatives are useful as renin inhibitors for the treatment of hypertension. Compounds of particular interest are those of Formula I ##STR1## wherein A is selected from CO and SO.sub.2 ; wherein X is selected from oxygen atom and methylene; wherein G is a pyridinyl group; wherein R.sub.1 is selected from hydrido, methyl, ethyl, isopropyl and n-propyl; wherein R.sub.2 is phenylmethyl; wherein each of R.sub.3 and R.sub.5 is hydrido; wherein R.sub.4 is selected from ##STR2## wherein V is selected from hydrido and methyl; wherein R.sub.6 is cyclohexylmethyl; wherein R.sub.7 is selected from isobutyl, cyclopropyl and cyclopropylmethyl; wherein q is a number selected from zero through three, inclusive; and wherein n is a number selected from zero through three, inclusive; or a pharmaceutically-acceptable salt thereof.
    Type: Grant
    Filed: August 14, 1992
    Date of Patent: October 12, 1993
    Assignee: G. D. Searle & Company
    Inventors: Gunnar J. Hanson, Robert E. Manning
  • Patent number: 5227401
    Abstract: Compounds characterized generally as ethynyl alanine amino diol derivatives are useful as renin inhibitors for the treatment of hypertension. Compounds of particular interest are those of Formula I ##STR1## wherein A is selected from CO and SO.sub.2 wherein X is selected from oxygen atom and methylene; wherein each of R.sub.1 and R.sub.9 is a group independently selected from hydrido, methyl, ethyl, n-propyl, isopropyl, benzyl, .beta.,.beta.,.beta.-trifluoroethyl, t-butyloxycarbonyl and methoxymethylcarbonyl, and wherein the nitrogen atom to which R.sub.1 and R.sub.9 are attached may be combined with oxygen to form an N-oxide; wherein R.sub.2 is selected from hydrido, methyl, ethyl and isopropyl; wherein R.sub.3 is selected from benzyl, cyclohexylmethyl, phenethyl, imidazolemethyl, pyridylmethyl and 2-pyridylethyl; wherein R.sub.5 is propargyl or a propargyl-containing moiety; wherein R.sub.7 is cyclohexylmethyl; wherein each of R.sub.4 and R.sub.6 is independently selected from hydrido and methyl; wherein R.
    Type: Grant
    Filed: October 29, 1991
    Date of Patent: July 13, 1993
    Assignee: G. D. Searle & Co.
    Inventors: Gunnar J. Hanson, John S. Baran
  • Patent number: 5223535
    Abstract: Compounds characterized generally as propargyl glycine amino propargyl diol derivatives are useful as renin inhibitors for the treatment of hypertension. Compounds of particular interest are those of Formula I ##STR1## wherein A is selected from CO and SO.sub.2 wherein X is selected from oxygen atom and methylene; wherein each of R.sub.1 and R.sub.9 is a group independently selected from hydrido, methyl, ethyl, n-propyl, isopropyl, benzyl, .beta.,.beta.,.beta.-trifluoroethyl, t-butyloxycarbonyl and methoxymethylcarbonyl, and wherein the nitrogen atom to which R.sub.1 and R.sub.9 are attached may be combined with oxygen to form an N-oxide; wherein R.sub.2 is selected from hydrido, methyl, ethyl and isopropyl; wherein R.sub.3 is selected from benzyl, cyclohexylmethyl, phenethyl, imidazolemethyl, pyridylmethyl and 2-pyridylethyl; wherein each of R.sub.5 and R.sub.8 is independently propargyl or a propargyl-containing moiety; wherein R.sub.7 is cyclohexylmethyl; wherein each of R.sub.4 and R.sub.
    Type: Grant
    Filed: October 29, 1991
    Date of Patent: June 29, 1993
    Assignee: G. D. Searle & Co.
    Inventors: Gunnar J. Hanson, John S. Baran
  • Patent number: 5204357
    Abstract: The invention relates to compounds of the formula I ##STR1## in which A represents a substituted thio-, sulfinyl- or sulfonyl-alkanoyl radical or a four- to eleven-membered heterocycle, B is an amino acid residue, R.sup.1 denotes hydrogen (substituted) alkyl, (substituted)cycloalkyl or aryl, R.sup.2 represents hydrogen, (substituted)alkyl or aryl, R.sup.3 denotes a radical of the formula --(CH.sub.2).sub.q --(X).sub.r --(CH.sub.2).sub.s --R.sup.6 with X denoting CF.sub.2, CO or CHR.sup.8, R.sup.6 denoting a (substituted)heteroaromatic, R.sup.8 denoting alkyl, alkoxy, alkylthio, alkylamino, hydroxyl, azide or halogen, q and s denoting 1 to 4, and r denoting 0 or 1, and R.sup.9 is hydrogen, (substituted)alkyl, alkanoyl, cycloalkanoyl, (substituted) aroyl or (substituted)aryl, and to the salts thereof. In addition, processes for the preparation of these compounds, and the use thereof as renin inhibitors are described.
    Type: Grant
    Filed: February 14, 1989
    Date of Patent: April 20, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Rainer Henning, Hansjorg Urbach, Dieter Ruppert, Bernward Scholkens
  • Patent number: 5202349
    Abstract: Substituted phenylacetylenes of the formula ##STR1## wherein one of the groups R.sub.1 is a hydrogen atom and the other represents the group of the formula ##STR2## in which R.sub.3 is hydrogen, methyl or ethyl and R.sub.4 is a methyl or an amino group and wherein R.sub.2 represents mono- or binuclear aromatic or heterocyclic residues containing sulfur, nitrogen or oxygen as hetero atoms and optionally being substituted by 1 to 3 substituents as defined, which specifically inhibit 5-lipoxygenase and are useful in pharmaceutical compositions for prophylaxis and treatment of diseases due to the action of leukotrienes.The compounds may be prepared by reacting a compound of the formula ##STR3## wherein R.sub.2 has the same meaning as above and one of the groups R.sub.7 is a hydrogen atom and the other represents the group of the formula --COR.sub.3, with hydroxylamine to form the oxime which then is reduced to the corresponding hydroxylamine compound into which the group of the formula --COR.sub.4 is introduced.
    Type: Grant
    Filed: July 18, 1991
    Date of Patent: April 13, 1993
    Assignee: Gruenenthal GmbH
    Inventors: Oswald Zimmer, Werner Vollenberg, Ulrich Seipp, Werner Englberger, Michael Haurand, Brigitte J. Bosman, Johannes Schneider
  • Patent number: 5196046
    Abstract: Certain N-acetonyl-substituted-amides of the formula: ##STR1## wherein A is a pyridyl, group; X is halo, cyano, thiocyano, isothiocyano, methylsulfonyloxy, thio(C.sub.1 -C.sub.2)alkyl, (C.sub.1 -C.sub.2)alkoxy, carbamoyl, dithiocarbamoyl, hydroxy, azido, trifluoromethylcarboxy, (C.sub.1 -C.sub.4)alkylcarbonyloxy, phenylcarbonyloxy, phenoxy, thiophenyl, imidazolyl or triazolyl; Y and Z are each independently a hydrogen, halo, cyano, thiocyano, isothiocyano, methylsulfonyloxy, thio(C.sub.1 -C.sub.2)alkyl, (C.sub.1 -C.sub.2)alkoxy, carbamoyl, dithiocarbamoyl, hydroxy, azido, trifluoromethylcarboxy, (C.sub.1 -C.sub.4)alkylcarbonyloxy, phenylcarbonyloxy, phenoxy, thiophenyl, imidazolyl or triazolyl; R.sup.1 and R.sup.2 are each independently a hydrogen atom or a (C.sub.1 -C.sub.6)alkyl group; and compositions containing these amides are fungicidally active, particularly against phytophthogenic fungi.
    Type: Grant
    Filed: September 5, 1989
    Date of Patent: March 23, 1993
    Assignee: Rohm and Haas Company
    Inventor: Ashok K. Sharma
  • Patent number: 5187170
    Abstract: Thiocarboxylic esters of the formula I ##STR1## where the substituents have the following meanings: X is oxygen, sulfur, oxymethylene, methyleneoxy, thiomethylene, methylenethio, ethylene, ethenylene or ethynylene,Y,Z are each sulfur or oxygen, but Y and Z are not simultaneously oxygen,R is alkyl, mononuclear, dinuclear or trinuclear aryl or hetaryl, where aryl and hetaryl may be substituted,and fungicidal agents containing these compounds.
    Type: Grant
    Filed: February 4, 1992
    Date of Patent: February 16, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Horst Wingert, Hubert Sauter, Siegbert Brand, Bernd Wenderoth, Gisela Lorenz, Eberhard Ammermann
  • Patent number: 5175301
    Abstract: .alpha.-Unsaturated amines of the formula: ##STR1## wherein X.sup.1 and X.sup.2 are such that one is an electron-attracting group with the other being a hydrogen atom or an electron-attracting group; R.sup.1 is a group attached through a nitrogen atom; R.sup.2 is a hydrogen atom or a group attached through a carbon, nitrogen or oxygen atom; n is an integer equal to 0, 1 or 2; A is a heterocyclic group or a cyclic hydrocarbon group, and salts thereof and their agrochemical use as insecticidal and/or miticidal agents are described.
    Type: Grant
    Filed: September 13, 1989
    Date of Patent: December 29, 1992
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Isao Minamida, Koichi Iwanaga, Tetsuo Okauchi
  • Patent number: 5162538
    Abstract: Antiviral new peptides of the formula ##STR1## in which R.sup.3 denotes straight-chain or branched alkyl having up to 8 carbon atoms ordenotes aryl having 6 to 10 carbon atoms or tolyl, andR.sup.4 denotes straight-chain or branched alkyl having up to 8 carbon atoms,and physiologically acceptable salts thereof.
    Type: Grant
    Filed: December 7, 1990
    Date of Patent: November 10, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus-Peter Voges, Dieter Habich, Jutta Hansen, Arnold Paessens, Christoph Meichsner
  • Patent number: 5137923
    Abstract: Lipophilic quaternary ammonium salicylate, characterized in that it corresponds to the formula: ##STR1## in which: (i) R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which may be identical or different, denote an alkyl or alkylcycloalkyl radical, optionally substituted or interrupted;(ii) R.sub.3 and/or R.sub.4 denote(s) a group:R.sub.8 --OC.sub.2 H.sub.3 R.sub.7 ].sub.n [OCH.sub.2 CHOH--CH.sub.2 ].sub.pin which: 0.ltoreq.n.ltoreq.4 and p denotes 0 or 1; R.sub.8 denotes H or an alkyl, alkenyl, alkylcycloalkyl or alkylaryl radical;(iii) R.sub.4 denotes an alkylphenyl radical;(iv), (v) R.sub.1 and R.sub.2 can form a saturated or unsaturated aromatic or non-aromatic heterocycle;(vi) R.sub.1, R.sub.2 and R.sub.3 form polycyclic derivatives with the nitrogen atoms; R.sub.5 denotes a group corresponding to the formula: ##STR2## in which n is an integer varying between 0 and 10.
    Type: Grant
    Filed: June 21, 1990
    Date of Patent: August 11, 1992
    Assignee: L'Oreal
    Inventors: Michel Philippe, Henri Sebag, Michel Hocquaux, Bernard Jacquet, Jean P. Laugier
  • Patent number: 5124322
    Abstract: Novel compounds of formula (I), salts, solvates and hydrates thereof: ##STR1## in which: R.sub.1 and R.sub.2 are independently hydrogen; alkyl; alkoxy; halogen; or CF.sub.3 ;R.sub.3 is hydrogen; acyl, such as ##STR2## where Z is optionally substituted aryl; or a group R--S-- where R is an organic residue such that the group R--S-- provides an in vivo-cleavable disulphide bond;R.sub.4 is C.sub.3-6 alkyl;R.sub.5 is hydrogen; alkyl; --CH.sub.2 --R.sub.10 where R.sub.10 is optionally substituted phenyl or heteroaryl; or a group ##STR3## where R.sub.11 is hydrogen; alkyl; or --CH.sub.2 --Ph is optionally substituted phenyl; and R.sub.12 is hydrogen or alkyl; andR.sub.6 is hydrogen; alkyl; or a group ##STR4## where R.sub.13 is hydrogen; or alkyl; and R.sub.14 is hydroxy; alkoxy; or --NR.sub.7a R.sub.8 where each of R.sub.7a and R.sub.8 is hydrogen or alkyl, or R.sub.7a and R.sub.
    Type: Grant
    Filed: June 19, 1989
    Date of Patent: June 23, 1992
    Assignee: Beecham Group p.l.c.
    Inventor: Ian Hughes
  • Patent number: 5116981
    Abstract: This invention encompasses novel analogs of Leukotriene B.sub.4 which are selected from a compound of formula I, B--C.apprxeq.C--CH.sub.2 C(M.sub.2)--C.apprxeq.C--Y--C(M.sub.1)--A, or formula II, B--C.apprxeq.C--CH.sub.2 C(M.sub.2)--C.apprxeq.C--P--R.sub.5 --A: wherein Y is: ##STR1## wherein P is: ##STR2## Patentable intermediates, process for making the novel analogs and intermediates and preparation of useful pharmacological agents comprising the analogs and intermediates are part of this invention.
    Type: Grant
    Filed: June 29, 1989
    Date of Patent: May 26, 1992
    Assignee: The Upjohn Company
    Inventor: Joel Morris