Acyclic Nitrogen Bonded Directly To The Acyclic Carbon Or Acyclic Carbon Chain Patents (Class 548/495)
  • Patent number: 5002943
    Abstract: Novel condensed diazepinones of general formula I ##STR1## wherein B represents one of the divalent groups ##STR2## and X, A.sup.1, A.sup.2 and R.sup.1 -R.sup.10 are as defined herein. The condensed diazepinones are suitable as vagal pacemakers for the treatment of bradycardia and bradyarrhythmia and they have spasmolytic effects on peripheral organs, particularly the colon, bladder and bronchi.
    Type: Grant
    Filed: June 15, 1989
    Date of Patent: March 26, 1991
    Inventors: Gerhard Mihm, Wolfgang Eberlein, Wolfhard Engel, Gunter Trummlitz, Norbert Mayer, Adrian de Jonge, Henri Doods
  • Patent number: 4987130
    Abstract: Substituted amino derivatives represented by the formula: ##STR1## wherein R.sup.1 and R.sup.2 each stand for an acyclic hydrocarbon residue or an alicyclic hydrocarbon residue; R.sup.3 and R.sup.4 each stand for hydrogen or a hydrocarbon residue optionally containing hetero-atom(s); A stands for a carbon chain having two or more carbon atoms optionally containing ether linkage or sulfide linkage, which may be substituted and which may per se form a ring; X.sup.1 and X.sup.2 each stand for oxygen atom or sulfur atom; and Y stands for amino group or an organic residue bonded through nitrogen atom, which may form a ring by combining with a carbon atom constituting A; and their salts have anti-arrhythmic activity and are useful for prevention and treatment of a variety of arrhythmias.
    Type: Grant
    Filed: December 22, 1989
    Date of Patent: January 22, 1991
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Susumu Tsushima, Muneo Takatani, Minoru Hirata
  • Patent number: 4977272
    Abstract: This invention relates to new compounds of the formula: ##STR1## where each of R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 has zero to 10 C atoms, and no acetylenic unsaturation; each of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 is independently selected from H and hydrocarbyl; with the proviso that R.sup.6 is C.sub.1 -C.sub.10 hydrocarbyl; each of R.sup.5 and R.sup.
    Type: Grant
    Filed: June 29, 1989
    Date of Patent: December 11, 1990
    Assignee: The Standard Oil Company
    Inventors: Mark C. Cesa, James E. Rinz, Gilles Klopman, Teodora T. Kopp
  • Patent number: 4975444
    Abstract: Compounds of the formula ##STR1## wherein A is a carbocyclic, saturated or unsaturated ring; R.sup.1 is hydrogen or alkyl; R and R.sup.4 are each alkyl, cycloalkyl, benzyl or a readily hydrolyzable ester group; Y is a bond or a straight or branch alkylene; R.sup.2 is hydrogen, aryl, heterocyclic, R.sup.6 CONR.sup.5, R.sup.7 NR.sup.5 CO, R.sup.7 NR.sup.5 SO.sub.2 --or R.sup.8 SO.sub.2 NR.sup.5 --where R.sup.5 is hydrogen, alkyl or aralkyl; R.sup.6 is alkyl, aryl, aralkyl, heterocyclic, heterocyclyalkyl or a group of the formula ##STR2## where R.sup.9 is hydrogen, hydroxy, alkoxy, alkyl, hydroxyalkyl, aralkyl, alkylene, heterocyclic, heterocyclylalkyl, R.sup.12 CONH--, R.sup.12 SO.sub.2 NH-- or (R.sup.13).sub.2 N--; R.sup.10 and R.sup.11 are each hydrogen or alkyl; or R.sup.10 is hydrogen and R.sup.11 is aminoalkyl, imidazolylmethyl, aryl, aralkyl, aralkoxyalkoxy, hydroxyalkyl or methylthioalkyl; or R.sup.10 and R.sup.
    Type: Grant
    Filed: August 25, 1989
    Date of Patent: December 4, 1990
    Assignee: Pfizer Inc.
    Inventors: John C. Danilewicz, Keith James, Ryszard J. Kobylecki
  • Patent number: 4975298
    Abstract: The invention provides a compound of the formula: ##STR1## and which is: 3-(1-amino-1,3-dicarboxy-3-hydroxy-but-4-yl)-indole, including the isomers, salts and specified internal condensation derivatives thereof, and in particular those which have enhanced sweetening powers relative to sucrose and which are useful as sweeteners for foods and beverages.
    Type: Grant
    Filed: June 15, 1988
    Date of Patent: December 4, 1990
    Assignee: South African Inventions Development Corporation
    Inventors: Pieter J. Van Wyk, Louis G. Ackerman
  • Patent number: 4943587
    Abstract: The present invention is novel selected hydroxamic acid derivatives of acyl residues of selected NSAIDS, i.e. having 5-lipoxygenase and cyclooxygenase inhibiting properties, pharmaceutical compositions for treating conditions advantageously affected by the inhibition and methods for treating these conditions in mammals, including humans suffering therefor.
    Type: Grant
    Filed: May 19, 1988
    Date of Patent: July 24, 1990
    Assignee: Warner-Lambert Company
    Inventors: Wiaczeslaw A. Cetenko, David T. Connor, Daniel L. Flynn, Jagadish C. Sircar
  • Patent number: 4918196
    Abstract: A process for optically isomerizing an optically active alpha-amino acid amide comprising heating a D-alpha-amino acid amide or an L-alpha-amino acid amide in the presence of a strongly basic compound; and a process for producing an L-alpha-amino acid, which comprises(1) subjecting a D,L-alpha-amino acid amide or a mixture of a major amount of a D-alpha-amino acid amide and a minor amount of an L-alpha-amino acid amide to the action of a microorganism having the ability to hydrolyze the L-alpha-amino acid to obtain a hydrolyzate containing the L-alpha-amino acid and D-alpha-amino acid,(2) separating the L-alpha-amino acid from the hydrolyzate and recovering the remaining D-alpha-amino acid amide.
    Type: Grant
    Filed: February 21, 1986
    Date of Patent: April 17, 1990
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Masaharu Doya, Toshio Kondo, Hideo Igarashi, Takako Uchiyama
  • Patent number: 4908451
    Abstract: A process is disclosed for the preparation of .alpha.-substituted carbonyl compounds, wherein .alpha.-substituted ketone is prepared by the following reaction: ##STR1## .alpha.-azo ester is prepared by the following reaction: ##STR2## and .alpha.-hydrozono ester is prepared by the following reaction: ##STR3## wherein the .alpha.-azo ester and .alpha.-hydrazono ester obtained by the above reactions include novel compounds, which are also disclosed.
    Type: Grant
    Filed: March 23, 1988
    Date of Patent: March 13, 1990
    Assignee: Agency of Industrial Science and Technology
    Inventors: Masato Tanaka, Toshiyasu Sakakura
  • Patent number: 4902708
    Abstract: In general, the invention features compounds having the formula ##STR1## or a pharmaceutically acceptable salt thereof, wherein each R.sup.1 is, independently, an alkyl group having 1-5, inclusive, carbon atoms, an alkoxy group having 1-5, inclusive, carbon atoms, a halogen, amino, hydroxy, nitro, cyano, carboxyl, trifluoreomethyl, ethyl carboxylate, or a hydrogen; m is an integer between 0 and 2, inclusive; and A is either ##STR2## where n is an integer between 1 and 5, inclusive, and R.sup.
    Type: Grant
    Filed: April 12, 1988
    Date of Patent: February 20, 1990
    Assignee: Biomeasure, Inc.
    Inventor: Sun H. Kim
  • Patent number: 4898977
    Abstract: The invention relates to novel processes and intermediates for the preparation of 5-amino-4-hydroxyvaleric acid derivatives of the formula ##STR1## in which R.sup.1 represents hydrogen, optionally substituted alkyl, cycloalkyl, cycloalkyl-lower alkyl, aryl, aryl-lower alkyl or the radical of a natural amino acid, R.sup.2 represents hydrogen, optionally substituted alkyl, cycloalkyl, cycloalkyl-lower alkyl, aryl, aryl-lower alkyl, amino, hydroxy, mercapto, sulphinyl, sulphonyl or the radical of a natural amino acid, and R.sup.3 represents optionally substituted hydroxy or amino, by sigmatropic rearrangement of a suitable allyl ester, halolactonisation of the resulting .gamma.,.delta.-unsaturated acid or of a suitable derivative thereof, exchange of halogen for a nitrogen-containing nucleophile, opening of the lactone ring and freeing of the amino group. Compounds of the formula I are starting materials for the preparation of renin-inhibitors which have an anti-hypertensive action.
    Type: Grant
    Filed: August 13, 1987
    Date of Patent: February 6, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Peter Herold, Christof Angst
  • Patent number: 4873259
    Abstract: Compounds of the formula: ##STR1## wherein R.sub.1 is (1) hydrogen, (2) C.sub.1 to C.sub.4 alkyl, (3) C.sub.2 to C.sub.4 alkenyl, or (4) NR.sub.2 R.sub.3, wherein R.sub.2 and R.sub.3 are independently selected from (1) hydrogen, (2) C.sub.1 to C.sub.4 alkyl and (3) hydroxyl, but R.sub.2 and R.sub.3 are not simultaneously hydroxyl;wherein X is oxygen, sulfur, SO.sub.2, or NR.sub.4, wherein R.sub.4 is (1) hydrogen, (2) C.sub.1 to C.sub.6 alkyl, (3) C.sub.1 to C.sub.6 alkoyl, (4) aroyl, or (5) alkylsulfonyl;A is selected from C.sub.1 to C.sub.6 alkylene and C.sub.2 to C.sub.6 alkenylene;n is 1-5;Y is selected independently at each occurrence from (1) hydrogen, (2) halogen, (3) hydroxy, (4) cyano, (5) halosubstituted alkyl, (6) C.sub.1 to C.sub.12 alkyl, (7) C.sub.2 to C.sub.12 alkenyl, (8) C.sub.1 to C.sub.12 alkoxy, (9) C.sub.3 to C.sub.8 cycloalkyl, (10) C.sub.1 -C.sub.8 thioalkyl, (11) aryl, (12) aryloxy, (13) aroyl, (14) C.sub.1 to C.sub.12 arylalkyl, (15) C.sub.2 to C.sub.12 arylalkenyl, (16) C.sub.1 to C.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: October 10, 1989
    Assignee: Abbott Laboratories
    Inventors: James B. Summers, Jr., Bruce P. Gunn, Dee W. Brooks
  • Patent number: 4870097
    Abstract: N-acylated derivatives of L-tryptophan of general formula (I), ##STR1## in which R is selected from the group consisting of: (a) a phenyl group, mono-substituted or di-substituted in the meta and para positions with halogens, linear or branched alkyl groups containing from 1 to 9 carbon atoms, the cyano group or the trifluoromethyl group, (b) a benzyloxy group, mono-substituted or di-substituted in the meta and para position with substituents selected from those indicated at (a), and (c) a benzydryloxy group. The derivatives are used in therapy, particularly for human pain relief, in the treatment of pathological conditions of the central nervous system and of pathological intestinal conditions.
    Type: Grant
    Filed: July 11, 1988
    Date of Patent: September 26, 1989
    Assignee: Rotta Research Laboratorium S.p.A.
    Inventors: Francesco Makovec, Rolando Chiste, Angelo L. Rovati
  • Patent number: 4855286
    Abstract: The invention relates to compounds of the formula ##STR1## in which R.sup.1 is absent or denotes hydrogen, alkyl or acyl, A denotes an acyl radical or an amino acid residue, B denotes an amino acid residue, and R.sup.2, R.sup.3 and R.sup.4 are as defined in the specification, and to their salts, to a process for their preparation, to pharmaceutical products containing them, and to their use as medicaments, and intermediates for the preparation of these compounds.
    Type: Grant
    Filed: July 28, 1987
    Date of Patent: August 8, 1989
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Adalbert Wagner, Heinz-Werner Kleemann, Dieter Ruppert, Bernward Scholkens
  • Patent number: 4814463
    Abstract: In general, the invention features CCK antagonist compounds having the formula: ##STR1## or a pharmaceutically acceptable salt thereof, wherein each R.sup.1 is, independently, an alkyl group having 1 to 5, inclusive, carbon atoms, an alkoxy group having 1 to 5, inclusive, carbon atoms, a halogen, amino, hydroxy, nitro, cyano, carboxyl, trifluoromethyl, ethyl carboxylate, or a hydrogen; m is an integer between 0 and 2, inclusive; and A is either ##STR2## where n is an integer between 1 and 5, inclusive, and R.sup.2 is hydroxy, an alkoxy group having 1 to 5, inclusive, carbon atoms, aralkoxy (e.g., benzyloxy), aralkyl (e.g., benzyl), amino, an alkyl group having 1 to 5, inclusive, carbon atoms, an alkylamino group having 1 to 5, inclusive, carbon atoms, a dialkylamino group with each alkyl group, independently having 1 to 5, inclusive, carbon atoms, a cycloalkylamino group wherein the ring has 4 to 6, inclusive, carbon atoms (e.g.
    Type: Grant
    Filed: December 31, 1985
    Date of Patent: March 21, 1989
    Assignee: Biomeasure, Inc.
    Inventor: Sun H. Kim
  • Patent number: 4803284
    Abstract: The compound characterized by the structural Formula I: ##STR1## is therapeutically useful as an anti-hypertensive agent. A process for the preparation of the compound having Formula I and their synthetic intermediates is described. One of the synthetic intermediates is the compound characterized by the structural Formula: ##STR2## which is also therapeutically useful as an anti-hypertensive agent.
    Type: Grant
    Filed: August 19, 1987
    Date of Patent: February 7, 1989
    Assignee: Centro de Investigacion y de Estudios Avanzados Del Instituto Politecnico Nacional
    Inventors: Pedro Joseph-Nathan, Martha S. Morales-Rios
  • Patent number: 4748252
    Abstract: Indole derivatives characterized by having a 1,3,4,9-tetrahydropyrano[3,4-b]indole-1-acetic acid nucleus bearing a substituent in position 1 and 4. The nucleus may be optionally substituted at position 8. The derivatives are useful anti-inflammatory and analgesic agents and methods and chemical intermediates for their preparation are also disclosed.
    Type: Grant
    Filed: January 28, 1987
    Date of Patent: May 31, 1988
    Assignee: American Home Products Corporation
    Inventors: Eckhardt S. Ferdinandi, Dominick Mobilio, Joseph P. Sabatucci, Leslie G. Humber
  • Patent number: 4748160
    Abstract: There are described compounds of formula I,ZCHRCON(--N.dbd.CR.sub.4 R.sub.5)CHR.sub.6 (CH.sub.2).sub.n COY Iwhere the substituents are defined in the disclosure.There are also described methods for making the compounds, formulations containing them and their use, e.g. as antihypertensives.
    Type: Grant
    Filed: November 14, 1985
    Date of Patent: May 31, 1988
    Assignee: Fisons plc
    Inventors: Colin Bennion, David P. Marriott, Anthony R. Cook, David H. Robinson
  • Patent number: 4743614
    Abstract: Novel compounds of the following formula have restorative pharmacological activities in immuno-deficient hosts, ##STR1## wherein R.sup.1 is amino or a protected amino group,R.sup.2 is hydrogen, carboxy or a protected carboxy group,R.sup.3 is hydrogen, carboxy or a protected carboxy group,R.sup.4 is lower alkyl, amino(lower)alkyl, protected amino(lower)alkyl, carbamoyl(lower)alkyl or protected carbamoyl(lower)alkyl,R.sup.5 is hydrogen or lower alkyl, andR.sup.6 is hydrogen, hydroxyphenyl(lower)alkyl, imidazolyl(lower)alkyl or indolyl(lower)alkyl.
    Type: Grant
    Filed: March 4, 1986
    Date of Patent: May 10, 1988
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Hiroshi Terano, Yasuhisa Tsurumi, Hiroyuki Setoi, Masashi Hashimoto, Masanobu Kohsaka
  • Patent number: 4742067
    Abstract: Compounds of the formula ##STR1## are disclosed. These compounds are useful as hypotensive agents due to their angiotensin converting enzyme inhibition activity and depending upon the definition of X may also be useful as analgesics due to their enkephalinase inhibition activity.
    Type: Grant
    Filed: July 30, 1986
    Date of Patent: May 3, 1988
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Sesha I. Natarajan, Eric M. Gordon
  • Patent number: 4738803
    Abstract: Derivatives having the general formula: ##STR1## in which the various radicals, A,B,X,R.sub.1, R.sub.2, R.sub.3 and n have indicated definitions. These compounds have in particular enkephalinase-inhibiting, antalgic, antidepressive, antidiarrhea and hypotensive activities.
    Type: Grant
    Filed: August 22, 1986
    Date of Patent: April 19, 1988
    Inventors: Bernard Roques, Jean-Charles Schwartz, Jeanne-Marie Lecomte
  • Patent number: 4719288
    Abstract: Compounds of the formula ##STR1## in which R.sub.1 represents hydrogen or acyl, X.sub.1 represents an optionally N-alkylated amino acid residue that is bonded N-terminally to R.sub.1 and C-terminally to X.sub.2, X.sub.2 represents an optionally N-alkylated amino acid residue that is bonded N-terminally to X.sub.1 and C-terminally to the group --NR.sub.2 --, R.sub.2 represents hydrogen or lower alkyl, R.sub.3 represents hydrogen, alkyl, cycloalkyl, aryl-lower alkyl or aryl, R.sub.4 represents hydroxy or etherified or esterified hydroxy, R.sub.5 represents alkyl, cycloalkyl, aryl-lower alkyl or aryl, and R.sub.6 represents free or substituted amino or substituted hydroxy, and salts of such compounds having salt-forming groups inhibit the blood pressure-increasing action of the enzyme renin and can be used as anti-hypertensives.
    Type: Grant
    Filed: June 2, 1986
    Date of Patent: January 12, 1988
    Assignee: Ciba-Geigy Corporation
    Inventors: Walter Fuhrer, Peter Buhlmayer, Vittorio Rasetti, Bernhard Riniker
  • Patent number: 4705857
    Abstract: Indole derivatives of formula I ##STR1## R is hydrogen, one or two halogen atoms or one or two organic radicals in the 4-, 5-, 6- or 7-position(s),R.sup.1 and R.sup.4 are the same or different and each is hydrogen, alkyl of 1 to 3 carbon atoms or alkoxyalkyl of 1 to 3 carbon atoms in each of the alkoxy and alkyl portions,R.sup.3 is phenyl, --COOalkyl, --PO.sub.3 (alkyl).sub.2, --SO.sub.2 aryl, --SO.sub.2 alkyl, ##STR2## each of 1 to 3 carbon atoms in each alkyl group, and A and B each independently is alkyl of 1 to 3 carbon atoms or together with the connecting N-atom form a pyrrolidono, piperidino, morpholino or piperazino group,are valuable intermediates for preparing valuable tryptophans and .beta.-carbolines.
    Type: Grant
    Filed: October 28, 1983
    Date of Patent: November 10, 1987
    Assignee: Schering Aktiengesellschaft
    Inventor: Helmut Biere
  • Patent number: 4681973
    Abstract: Acylated amino acids having the general formula ##STR1## are prepared by reacting a compound of formula II ##STR2## with a compound of formula IIIROCOClwherein R, R.sub.1, R.sub.2 and R.sub.3 are as defined herein.
    Type: Grant
    Filed: February 27, 1986
    Date of Patent: July 21, 1987
    Assignee: USV Pharmaceutical Corporation
    Inventor: Martin L. Kantor
  • Patent number: 4665193
    Abstract: Compounds of the formula ##STR1## wherein A is ##STR2## intervene in the conversion of angiotensinogen to angiotensin II by inhibiting renin and thus are useful as anti-hypertensive agents.
    Type: Grant
    Filed: June 27, 1986
    Date of Patent: May 12, 1987
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Denis E. Ryono, Edward W. Petrillo, Jr.
  • Patent number: 4661628
    Abstract: A new process for the optical resolution of racemic mixtures of .alpha.-naphthyl-propionic acids of formula ##STR1## This process comprises reacting a racemic mixture of a compound of formula ##STR2## with an optically active substance of formula R.sub.4 --NH.sub.2 (III), said substance being a .beta.-aminoalcohol, thus forming a pair of diastereoisomeric amides which are resolved into the single diastereoisomers by fractional crystallization. The obtained single diastereoisomeric amide is then hydrolyzed to give the desired optically active .alpha.-naphthyl-propionic acid of formula ##STR3## In the above compound I.fwdarw.III and VI, R.sub.1 is (C.sub.1-6)alkyl, R.sub.2 stands for hydrogen, halogen, mercapto, (C.sub.1-6)alkylthio, phenylthio, benzylthio, (C.sub.1-6)alkylsulfonyl, benzenesulfonyl, benzenesulfonyl substituted by halogen or (C.sub.1-4)alkyl, R.sub.3 is a reactive group and R.sub.4 is the residue of a primary or secondary alcohol.
    Type: Grant
    Filed: November 5, 1984
    Date of Patent: April 28, 1987
    Assignee: Alfa Chemicals Italiana S.p.A.
    Inventors: Vincenzo Cannata, Giancarlo Tamerlani
  • Patent number: 4661510
    Abstract: Novel .alpha.-allenic-.alpha.-amino acids which are enzyme inhibitors of the suicide or k.sub.cat type are disclosed herein.
    Type: Grant
    Filed: October 21, 1985
    Date of Patent: April 28, 1987
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Alexander Krantz, Arlindo L. Castelhano
  • Patent number: 4658038
    Abstract: Analgesia-effecting 5-hydroxytryptophan derivatives are disclosed of the formulae: ##STR1## wherein R is selected from the group consisting of C.sub.2 -C.sub.16 alkyl, C.sub.3 -C.sub.8 cycloalkyl, C.sub.2 -C.sub.16 alkenyl, C.sub.2 -C.sub.16 alkynyl, aryl containing up to 14 carbon atoms, and arylalkyl containing up to 20 carbon atoms;R.sup.2 and R.sup.2a are each H or R, as defined above;R.sup.3 and R.sup.3a are each H or alkyl containing from 1 to 4 carbons;R.sup.4 and R.sup.4a are each H or alkyl containing from 1 to 4 carbons;and their non-toxic, pharmacologically acceptable acid addition salts.
    Type: Grant
    Filed: November 13, 1984
    Date of Patent: April 14, 1987
    Assignees: Research Foundation for Mental Hygiene, Inc., Yeda Research and Development Co. Ltd.
    Inventors: Hadassah Tamir, Stephen E. Karpiak, Meir Wilchek
  • Patent number: 4634775
    Abstract: There are described new optically active 3,4-bis-(diphenylphosphino)-pyrrolidines of the formula ##STR1## wherein Ph is a phenyl group and R is hydrogen, an alkyl group, an arylalkyl group or an acyl group, rhodium complexes containing a compound of formula (I) as its chiral ligands, said rhodium complexes having the formula[RH(en).sub.2 A].sup.+ X.sup.- (II),where (en).sub.2 is two molecules of a monoolefin or one molecule of a diolefin, A is an optically active compound of formula (I) and X.sup.- is a tetrafluoroborate, hexafluorophosphate or a perchlorate ion, and use of the rhodium complexes as catalysts for the homogeneous asymmetric hydrogenation of unsubstituted or .beta.-substituted .alpha.-acylamino-acrylic acids.
    Type: Grant
    Filed: January 2, 1985
    Date of Patent: January 6, 1987
    Assignee: Degussa Aktiengesellschaft
    Inventors: Wolfgang Beck, Ulrich Nagel
  • Patent number: 4624962
    Abstract: Compounds of the formula I ##STR1## in which n denotes 0-3,R.sup.1 and R.sup.1' are the same or different and denote hydrogen, alkyl or alkenyl, phenyl or benzyl, each substituted as desired;R.sup.2 denotes hydrogen, alkyl or alkenyl;R.sup.3 denotes hydrogen, alkyl, hydroxyalkyl, alkoxyalkyl or aminoalkyl, alkanoylaminoalkyl, guanidinoalkyl, imidazolylalkyl, indolylalkyl, mercaptoalkyl or alkylthioalkyl, phenylalkyl, hydroxphenylalkyl, phenoxyalkyl or phenylthioalkyl, or R.sup.2 and R.sup.3, together with the C and N atoms carrying them, denote a saturated or unsaturated 4- to 8-membered monocyclic or 8- to 10-membered bicyclic isocycle or heterocycle, optionally monosubstituted or disubstituted by hydroxyl, alkoxy having 1 to 3 C atoms or alkyl,R.sup.4 denotes hydrogen, alkyl, alkenyl, alkadienyl, alkinyl, alkeninyl or alkadiinyl, cycloalkyl, phenyl, benzyl, phenethyl or phenylpropyl, each of which can be optionally monosubstituted or disubstituted;R.sup.5 denotes hydrogen or alkyl, hydroxyl or alkoxy andR.
    Type: Grant
    Filed: February 1, 1985
    Date of Patent: November 25, 1986
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Rainer Henning, Hansjorg Urbach, Rolf Geiger, Volker Teetz, Bernward Scholkens
  • Patent number: 4616088
    Abstract: Compounds of the formula ##STR1## wherein A is ##STR2## intervene in the conversion of angiotensinogen to angiotensin II by inhibiting renin and thus are useful as anti-hypertensive agents.
    Type: Grant
    Filed: December 14, 1984
    Date of Patent: October 7, 1986
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Denis E. Ryono, Edward W. Petrillo, Jr.
  • Patent number: 4570002
    Abstract: The invention relates to new carbazic acid derivatives, a process for the preparation thereof and compositions--particularly feed additives and animal feeds--containing the same.The new compounds according to the invention correspond to the formula (I)R.sup.1 .dbd.N--NH--COOR.sup.3 (I)whereinR.sup.1 stands for a C.sub.7-12 cycloalkylidene group, an indanylidene group or a group of the formula (IX) ##STR1## wherein A represents a phenyl group optionally carrying one or more identical or different substituents selected from the group consisting of halo nitro, hydroxy, C.sub.1-14 alkoxy, C.sub.1-4 alkyl, amino or C.sub.1-4 alkoxycarbonylhydrazino; phenyl-(C.sub.1-4 alkyl), C.sub.1-16 alkyl, C.sub.3-7 cycloalkyl or indolyl or a C.sub.3 -C.sub.6 cycloalkyl group substituted by a C.sub.3 -C.sub.6 cycloalkyl group;R.sup.2 denotes a hydrogen atom, a C.sub.1-16 alkyl or a C.sub.3-7 cycloalkyl group; andR.sup.3 represents a C.sub.1-4 alkyl group.
    Type: Grant
    Filed: January 24, 1984
    Date of Patent: February 11, 1986
    Assignee: Egyt Gyogyszervegyeszeti Gyar
    Inventors: Zoltan Budai, Pal Benko, Ildiko Ratz nee Simonek, Eva Rakoczy nee Pinter, Karoly Magyar, Jozsef Kelemen, Attila Mandi
  • Patent number: 4540791
    Abstract: A process for producing a compound of the formula ##STR1## wherein A is aryl or alkyl, R.sub.1 is an aromatic radical and R.sub.2 is hydrogen, alkyl, aryl, cyano, --COOalkyl or --COOaryl, which process comprises reacting 1 mol of an aromatic nitrile of the formula R.sub.1 --CN (II) with 1 mol of an acetic ester of the formula (X)(R.sub.2)CH--COOA (III) in which X is halogen, in the presence of zinc, in an inert organic solvent and at a temperature of less than 80.degree. C.; hydrolyzing in an alkaline medium the formed reaction product; and then isolating the compound of the formula I.The compounds of the formula I are valuable intermediates for producing heterocyclic compounds.
    Type: Grant
    Filed: July 8, 1983
    Date of Patent: September 10, 1985
    Assignee: Ciba-Geigy Corporation
    Inventors: Luigi Cassar, Abul Iqbal, Alain C. Rochat
  • Patent number: 4515803
    Abstract: Compounds of the formula I ##STR1## in which n denotes 0-3,R.sup.1 and R.sup.1' are the same or different and denote hydrogen, alkyl or alkenyl, phenyl or benzyl, each substituted as desired;R.sup.2 denotes hydrogen, alkyl or alkenyl;R.sup.3 denotes hydrogen, alkyl, hydroxyalkyl, alkoxyalkyl or aminoalkyl, alkanoylaminoalkyl, guanidinoalkyl, imidazolylalkyl, indolylalkyl, mercaptoalkyl or alkylthioalkyl, phenylalkyl, hydroxyphenylalkyl, phenoxyalkyl or phenylthioalkyl, or R.sup.2 and R.sup.3, together with the C and N atoms carrying them, denote a saturated or unsaturated 4- to 8-membered monocyclic or 8- to 10-membered bicyclic isocycle or heterocycle, optionally monosubstituted or disubstituted by hydroxyl, alkoxy having 1 to 3 C atoms or alkyl,R.sup.4 denotes hydrogen, alkyl, alkenyl, alkadienyl, alkinyl, alkeninyl or alkadiinyl, cycloalkyl, phenyl, benzyl, phenethyl or phenylpropyl, each of which can be optionally monosubstituted or disubstituted;R.sup.5 denotes hydrogen or alkyl, hydroxyl or alkoxy andR.
    Type: Grant
    Filed: September 1, 1982
    Date of Patent: May 7, 1985
    Assignee: Hoechst Aktiengesellschafat
    Inventors: Rainer Henning, Hansjorg Urbach, Rolf Geiger, Volker Teetz, Bernward Scholkens
  • Patent number: 4515982
    Abstract: Organic materials which contain from 0.001 to 10% by weight of an aminoreductone I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are H, methyl or ethyl and R.sup.4 is the radical of a naturally occurring .alpha.- or .beta.-aminoacid or of a C.sub.1 -C.sub.10 -alkyl ester thereof or, in the case of an .alpha.-aminoacid, a lactone having a 2--OH group in the cyclohexenone ring, or R.sup.4 is C.sub.1 -C.sub.20 -alkyl which is unsubstituted or substituted by --OH, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -acyloxy, or is --(CH.sub.2 --CH.sub.2 --O).sub.n H, which may be etherified with a C.sub.1 -C.sub.4 -alkanol or esterified with a C.sub.1 -C.sub.4 -fatty acid, and where n is from 2 to 10, or a mineral salt thereof.Novel compounds Ia differ from I in having the radical R.sup.4a, where R.sup.4a is R.sup.4 with the exception of methyl. Compounds I are prepared by reacting the corresponding 2,3-dihydroxycyclohex-2-en-1-one with an amine HN(R.sup.3)R.sup.4 or a mineral acid salt thereof.
    Type: Grant
    Filed: December 15, 1982
    Date of Patent: May 7, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Lechtken, Gerhard Mueller, Klaus Schmieder
  • Patent number: 4503232
    Abstract: The invention provides a novel method for the preparation of an .alpha.-ketoamide imine having a characteristic structure expressed by the formula ##STR1## in which R is a group such as an alkyl, aryl or the like group, in a one-step reaction in which a halogen-containing organic compound reacts with a primary amine and carbon monoxide in the presence of a carbonylation catalyst. The product compound is useful as an intermediate for the synthesis of various kinds of organic compounds including medicines and agricultural chemicals.
    Type: Grant
    Filed: September 24, 1982
    Date of Patent: March 5, 1985
    Assignee: Agency of Industrial Science & Technology
    Inventors: Toshiaki Kobayashi, Masato Tanaka
  • Patent number: 4499079
    Abstract: Peptides of the formula ##STR1## wherein X is various amino or imino acids or esters are useful as hypotensive agents.
    Type: Grant
    Filed: November 18, 1982
    Date of Patent: February 12, 1985
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Eric M. Gordon, Harold N. Weller, III
  • Patent number: 4497964
    Abstract: A process for the production of an N-acyl-.alpha.-amino acid represented by the general formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4, independently from each other, represent a hydrogen atom, an alkyl or cycloalkyl group which may be substituted, or an aryl or heteroaromatic group selected from the group consisting of furyl, pyrrolyl, pyridinyl, thienyl and indolyl which may be substituted, which comprises reacting an oxirane represented by the general formula ##STR2## wherein R.sup.1 and R.sup.2 are as defined above, an amide compound represented by the general formulaR.sup.3 CONHR.sup.4 (III)wherein R.sup.3 and R.sup.4 are as defined above, and carbon monoxide in the presence of hydrogen, a cobalt-containing catalyst, and a promoter composed of a compound containing a metal selected from Groups I, II, III and IV of the periodic table.
    Type: Grant
    Filed: November 15, 1982
    Date of Patent: February 5, 1985
    Assignee: Sagami Chemical Research Center
    Inventors: Iwao Ojima, Kenji Hirai
  • Patent number: 4491590
    Abstract: Organic sulfoxides having a latent allyl group bound to the sulfur are enzyme inhibitors of the suicide or K.sub.cat type.
    Type: Grant
    Filed: May 26, 1983
    Date of Patent: January 1, 1985
    Assignee: Merck & Co., Inc.
    Inventor: Raymond A. Firestone
  • Patent number: 4491664
    Abstract: A process for the production of an ergot alkaloid comprising intramolecularly cyclizing a 3-iminoethyl-4-trans-buta-1',3'-dienylindole to produce an 8-ergolene and as necessary converting the resultant ergolene into the desired ergot alkaloid.
    Type: Grant
    Filed: March 12, 1982
    Date of Patent: January 1, 1985
    Assignee: Sandoz Ltd.
    Inventor: Wolfgang Oppolzer
  • Patent number: 4482725
    Abstract: The S-acylation of a mercaptoacyl amino acid having ACE inhibitory action with a diuretic containing a carboxyl group yields a product having both ACE inhibitory action and diuretic activity in vivo.
    Type: Grant
    Filed: April 3, 1980
    Date of Patent: November 13, 1984
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Miguel A. Ondetti, Denis E. Ryono
  • Patent number: 4468520
    Abstract: The present invention provides aminopropanol derivatives of the general formula: ##STR1## wherein R.sub.1 is a hydrogen atom or a lower alkanoyl or an aroyl radical, R.sub.2 is a lower alkyl radical or a radical of the general formula: ##STR2## wherein X is a valency bond, a methylene group or an oxygen or sulphur atom, Ar is a monocyclic, carbo- or heterocyclic aryl radical, R.sub.6 and R.sub.7, which can be the same or different, are hydrogen atoms or lower alkyl radicals, R.sub.8 and R.sub.9, which can be the same or different, are hydrogen or halogen atoms, hydroxyl groups, lower alkanoyl radicals, alkenyl radicals, alkynyl radicals, alkyl radicals, lower alkoxy radicals, aralkoxy radicals, alkenyloxy radicals, alkynyloxy radicals, lower alkylthio radicals, aminocarbonyl radicals, aminosulphonyl radicals or acylamino radicals; or R.sub.2 is a 1,4-benzodioxan-2-ylmethyl radical, R'.sub.2 is a hydrogen atom or a benzyl radical, R.sub.
    Type: Grant
    Filed: July 29, 1981
    Date of Patent: August 28, 1984
    Assignee: Boehringer Mannheim GmbH
    Inventors: Helmut Michel, Wolfgang Kampe, Roland Ofenloch, Karl Dietmann, Gisbert Sponer
  • Patent number: 4456611
    Abstract: Derivatives of 2-[3-(3-indolyl 2-amino propionyloxy] acetic acid corresponding to the following general formula I: ##STR1## in which R represents a hydrogen atom, a linear or branched alkyl radical including 1 to 12 carbon atoms, or a mono-alicyclic or polycyclic radical containing 5 to 16 carbon atoms, possibly linked by a methylene radical, and their pharmaceutically acceptable addition salts, are useful as medicaments for palliating deficiency of the serotoninergic system.
    Type: Grant
    Filed: January 26, 1982
    Date of Patent: June 26, 1984
    Assignee: Laboratoires Panmedica
    Inventors: Claude Laruelle, Marcel Lepant
  • Patent number: 4442295
    Abstract: The present invention provides indole derivatives of the general formula: ##STR1## wherein R.sub.1 is a hydrogen atom, an aralkyl radical or a radical of the general formula: ##STR2## in which B is a reactive group or, together with R.sub.5, represents a valency bond, and R.sub.5 is a hydrogen atom or an aliphatic or aromatic acyl radical, R.sub.2 is a hydrogen atom or a lower alkyl radical, R.sub.3 is a hydrogen atom, a methyl radical or a --CH.sub.2 --O--R.sub.5 radical, R.sub.5 having the same meaning as above, and R.sub.4 is an aminocarbonyl, cyano, oximinomethyl, formyl, hydroxymethyl or lower alkoxycarbimidoyl radical, with the proviso that R.sub.1 is not an aralkyl radical when R.sub.4 is a formyl radical. The present invention also provides processes for the preparation of these compounds. Furthermore, the present invention is concerned with the use of these compounds for the preparation of compounds with a heart and circulatory activity.
    Type: Grant
    Filed: July 29, 1981
    Date of Patent: April 10, 1984
    Assignee: Boehringer Mannheim GmbH
    Inventors: Helmut Michel, Wolfgang Kampe, Roland Ofenloch
  • Patent number: 4415560
    Abstract: Silicon-containing amides, e.g., N-[1'-phenyl-2'-(4"-methylphenyl)ethyl]-2,2,6,6-tetramethyl-1-oxa-2,6-disi lacyclohexane-4-carboxamide, are useful as anti-atherosclerotic agents. The amides are obtainable by acylation of a primary amine (the substituents on the amine being of the aralkyl phenyl, tryptophanyl, benzocycloalkyl-type) with a corresponding silicon-containing carboxylic acid (or active form thereof).
    Type: Grant
    Filed: October 12, 1982
    Date of Patent: November 15, 1983
    Assignee: Sandoz, Inc.
    Inventor: Sandor Barcza
  • Patent number: 4393081
    Abstract: Disclosed is the novel compound methyl 3-acetamido-2-(5-methoxyindol-3-yl) propanoate which is useful as an anti-hypertensive agent.
    Type: Grant
    Filed: October 28, 1981
    Date of Patent: July 12, 1983
    Assignee: Miles Laboratories, Inc.
    Inventors: Robert N. Schut, Max E. Safdy, Enrique Hong
  • Patent number: 4384124
    Abstract: Cyclopropanyl-group-bearing-amides, eg N-[1-(benzyl)-2-(phenyl)ethyl]-cis-2-octyl-cyclopropanoctanamide and N-(.alpha.-methyl-benzyl)-(cis)-2-octyl-cyclopropanoctanamide, are useful as pharmaceutical agents and are obtainable, eg by reacting a mixed anhydride of a cyclopropanyl-group bearing-long chain carboxylic acid with an appropriate amino compound.
    Type: Grant
    Filed: July 10, 1980
    Date of Patent: May 17, 1983
    Assignee: Sandoz, Inc.
    Inventors: Faizulla G. Kathawala, John G. Heider
  • Patent number: 4378363
    Abstract: This invention relates to new aminopropanol compounds having beta-adrenergic activity. In addition, the invention is directed to pharmaceutical compositions containing such compounds for the treatment of cardiac and circulatory infirmities and to methods for treating such infirmities.More particularly, the invention relates to new aminopropanol compound of the formula ##STR1## wherein R.sub.1 is a low alkyl moiety, which can be substituted, if desired, by a group Z-R.sub.5 ;R.sub.2 is hydrogen or a low alkanoyl group;R.sub.3 is a mono- or bicyclic heterocyclic compound having 1 to 2 hetero atoms, which can be mono- or polysubstituted, if desired, by halogen, amino, hydroxyl, low alkoxyl, low alkyl;R.sub.4 is hydrogen, a low alkanoyl group or an aroyl group;R.sub.
    Type: Grant
    Filed: November 17, 1980
    Date of Patent: March 29, 1983
    Assignee: Boehringer Mannheim GmbH
    Inventors: Walter-Gunar Friebe, Wolfgang Kampe, Wolfgang Bartsch, Gisbert Sponer, Karl Dietmann
  • Patent number: 4362738
    Abstract: Compounds of the formula ##STR1## wherein each X, which may be identical or different from the other X, is oxygen or imino;R.sub.1 is hydrogen, fluorine, chlorine or bromine;R.sub.2 and R.sub.3, which may be identical or different from each other, are each hydrogen; unsubstituted or mono-substituted alkyl of 1 to 6 carbon atoms, where the substituent is phenyl or dialkylamino with 1 to 3 carbon atoms in each alkyl moiety; pyridyl; or cycloalkyl of 5 to 7 carbon atoms;R.sub.2 and R.sub.
    Type: Grant
    Filed: June 11, 1980
    Date of Patent: December 7, 1982
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Johannes Keck, Gerd Kruger, Helmut Pieper, Klaus Noll, Gunther Engelhardt, Norbert Promberger, Rainer Zimmermann