Nitrogen And The Hetero Ring Are Single Bonded Directly To The Same Acyclic Saturated Hydrocarbon Group Patents (Class 549/492)
  • Publication number: 20020151729
    Abstract: The present invention provides a novel process for preparing Form 1 ranitidine hydrochloride by crystallization from at least one C1-C6 alkanol.
    Type: Application
    Filed: May 31, 2002
    Publication date: October 17, 2002
    Inventors: Wen J. Cheng, Roger L. Briggs, Lee V. McCoy
  • Publication number: 20020052509
    Abstract: Calcilytic compounds and compositions and their use in treating abnormal bone or mineral homeostasis.
    Type: Application
    Filed: December 4, 2001
    Publication date: May 2, 2002
    Applicant: SmithKline Beecham Corporation
    Inventors: Pradip Kumar Bhatnagar, James Francis Callahan, Eric G. Del Mar, Maria Amparo Lago
  • Patent number: 6369059
    Abstract: A compound of formula (I) and salts and solvates thereof, in which: R0 represents hydrogen, halogen or C1-6 alkyl; R1 represents hydrogen, C1-6alkyl, C2-6alkenyl, C2-6 alkynyl, haloC1-6alkyl, C3-8cycloalkyl, C3-8cycloalkylC1-3alkyl, arylC1-3alkyl or heteroarylC1-3alkyl; R2 represents an optionally substituted monocyclic aromatic ring selected from benzene, thiophene, furan and pyridine or an optionally substituted bicyclic ring  attached to the rest of the molecule via one of the benzene ring carbon atoms and wherein the fused ring A is a 5- or 6-membered ring which may be saturated or partially or fully unsaturated and comprises carbon atoms and optionally one or two heteroatoms selected from oxygen, sulphur and nitrogen; and R3 represents hydrogen or C1-3 alkyl, or R1 and R3 together represent a 3- or 4-membered alkyl or alkenyl chain.
    Type: Grant
    Filed: August 7, 2000
    Date of Patent: April 9, 2002
    Assignee: ICOS Corporation
    Inventor: Alain Claude-Marie Daugan
  • Patent number: 6358883
    Abstract: The present invention relates to the pesticidal use of 1-aryl-1-(substituted thio, sulfinyl and sulfonyl)-2-nitroethane compounds having the structural formula I
    Type: Grant
    Filed: November 5, 1999
    Date of Patent: March 19, 2002
    Assignee: American Cyanamid Company
    Inventors: William Wakefield Wood, Annmarie Enos
  • Patent number: 6329523
    Abstract: Novel compounds having the formula: wherein the constituent variables are defined herein. The compounds are constructed to include a central aromatic, aliphatic, or heterocyclic ring system. Attached to the central ring system are two linear groups having nitrogenous moieties that are derivatized with chemical functional groups. The ring system can include further nitrogenous moieties, either as ring atoms or on pendant groups attached to the ring, that may also be derivatized with chemical functional groups. The totality of the chemical functional groups imparts certain conformational and other properties to the these compounds. In accordance with certain embodiments of the invention, libraries of such compounds are prepared utilizing permutations and combinations of the chemical functional groups and the nitrogenous moieties to build complexity into the libraries.
    Type: Grant
    Filed: March 10, 1999
    Date of Patent: December 11, 2001
    Assignee: ISIS Pharmaceuticals, Inc.
    Inventors: Phillip Dan Cook, Haoyun An
  • Patent number: 6281365
    Abstract: Organic platinum complexes active as anti-tumor agents in warm-blooded animals, and methods for synthesis of same, are described.
    Type: Grant
    Filed: May 26, 1989
    Date of Patent: August 28, 2001
    Assignee: American Cyanamid Company
    Inventors: Ralph Grassing Child, Panayota Bitha, Joseph John Hlavka, Yang-I Lin
  • Patent number: 6255340
    Abstract: A pesticidal composition comprising prallethrin and a neonicotinoid compound given in the following formula (1), (2) or (3), as an active ingredient wherein, A represents a 6-chloro-3-pyridyl, 2-chloro-5-thiazolyl, tetrahydrofuran-2-yl, tetrahydrofuran-3-yl, 5-methyltetrahydrofuran-3-yl, 3-pyridyl, 6-bromo-3-pyridyl, 3-cyanophenyl, 2-methyl-5-thiazolyl, 2-phenyl-5-thiazolyl or 2-bromo-5-thiazolyl group; R1 represents a hydrogen atom, methyl, ethyl, formyl or acetyl group; R2 represents a methyl, amino, methylamino, N,N-dimethylamino, ethylamino, N,N-diethylamino, N-methyl-N-ethylamino, 1-pyrrolidinyl, (6-chloro-3-pyridyl) methylamino or N-methyl-N-(6-chloro-3-pyridyl)methylamino group; R3 represents a methyl, ethyl, propyl, propenyl or propynyl group; X represents a nitrogen atom or CH group; Y represents a cyano, nitro or trifluoroacetyl group; Z represents a NH group or sulfur atom; D represents an oxygen atom or —N(CH3)— group; m represents 0 or 1; and n represents 2 or 3, has
    Type: Grant
    Filed: April 7, 1999
    Date of Patent: July 3, 2001
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Izumi Fujimoto
  • Patent number: 6252072
    Abstract: A process for the preparation of compounds of formula is described, wherein R1 is hydrogen or C1-C4-alkyl; R2 is hydrogen, C1-C6-alkyl, C3-C6-cycloalkyl or a radical —CH2B; A is an unsubstituted or mono- to penta-substituted, aromatic or non-aromatic, monocyclic to bicyclic heterocyclic radical; and B is phenyl, 3-pyridyl or thiazolyl, which are optionally substituted by one to rhee substituents; by means of the hydrolysis of a compound of formula wherein R1, R2 and A have the same significances as given for formula (I), and R3 signifies unsubstituted or substituted C1-C10-alkyl, C3-C6-cycloalkyl, phenyl or benzyl; whereby the reaction is carried out at a pH value of between 7 and 14, as well as starting materials for carrying out the process. The compounds of formula (I) are suitable as intermediates in the preparation of pesticidal compositions.
    Type: Grant
    Filed: December 8, 1999
    Date of Patent: June 26, 2001
    Assignee: Syngenta Crop Protection, Inc.
    Inventors: Peter Maienfisch, Hansjürg Widmer
  • Patent number: 6200353
    Abstract: Couplers for hair coloring compositions for oxidative dyeing of hair are compounds of the formula at least one coupler comprising a compound of the formula: wherein R is selected from the group consisting of C1 to C2 alkyl and hydroxyethyl, R1 is selected from the group consisting of hydrogen, chlorine, bromine, C1 to C3 alkyl, C1 to C3 alkoxy, C1 to C3 hydroxyalkyl and C1 to C3 hydroxyalkoxy, and X is O, S or NH.
    Type: Grant
    Filed: February 1, 2000
    Date of Patent: March 13, 2001
    Assignee: Bristol Myers Squibb Company
    Inventors: Mu-Ill Lim, Linas R. Stasaitis, Yuh-Guo Pan
  • Patent number: 6048882
    Abstract: Hepatic diseases can be prevented or treated by administering an isoprenylamine derivative represented by the general formula (II) ##STR1## [wherein n represents an integer of 4-12, m represents an integer of 0-3, Ar represents a phenyl group, a furyl group, a thienyl group or a pyridyl group, said group being optionally substituted with one or more of an alkyl group of 1-4 carbon atoms, and alkoxy group of 1-4 carbon atoms, a methylenedioxy group, a hydroxy group or a halogen atom, and R represents a hydrogen atom or an alkyl group of 1-4 carbon atoms] or a pharmacologically acceptable salt thereof at a daily dose of 0.01-500 .mu.g/kg.A lipid emulsion of the compound (II) is particularly useful and can be administered at a remarkably lowered dose as compared with other pharmaceutical preparations.
    Type: Grant
    Filed: August 8, 1997
    Date of Patent: April 11, 2000
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Tatsuya Ohwaki, Masako Yamada, Hiroyuki Yamazaki, Hitoshi Inoue, Yoshiyuki Tahara, Shigeo Kawase
  • Patent number: 5856323
    Abstract: 2,5-Diaryl tetrahydrofurans, 2,5-diaryl tetrahydrothiophenes, 2,4-diaryl tetrahydrofurans, 2,4-diaryl tetrahydrothiophenes, 1,3-diaryl cyclopentanes, 2,4-diaryl pyrrolidines, and 2,5-diaryl pyrrolidines are disclosed that reduce the chemotaxis and respiratory burst leading to the formation of damaging oxygen radicals of polymorphonuclear leukocytes during an inflammatory or immune response. The compounds exhibit this biological activity by acting as PAF receptor antagonists, by inhibiting the enzyme 5-lipoxygenase, or by exhibiting dual activity, i. e., by acting as both a PAF receptor antagonist and inhibitor of 5-lipoxygenase.A method to treat disorders mediated by PAF or leukotrienes is also disclosed, that includes administering an effective amount of one or more of the above-identified compounds or a pharmaceutically acceptable salt thereof, optionally in a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: January 5, 1999
    Assignee: CytoMed, Inc.
    Inventors: Xiong Cai, Sajjat Hussoin, San-Bao Hwang, David Killian, T. Y. Shen
  • Patent number: 5843972
    Abstract: The present invention relates to certain compounds of the formula (I) the racemic-enantiomeric mixtures and optical isomers of said compounds and the pharmaceutically acceptable salts or prodrugs thereof, depicted below, which are .beta.-adrenergic receptor agonists and accordingly have utility as, inter alia, hypoglycemic and antiobesity agents. More specifically, the compounds of the instant invention are selective agonists of .beta..sub.3 -adrenergic receptor. The invention also relates to methods of use for the compounds and to pharmaceutical compositions containing them. The compounds of the present invention also possess utility for increasing lean meat deposition and/or improving the lean meat to fat ratio in animals, e.g., ungulate animals, companion animals and poultry. The compounds have the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, Y and Z are as defined in the specification.
    Type: Grant
    Filed: March 28, 1997
    Date of Patent: December 1, 1998
    Assignee: Pfizer Inc.
    Inventors: Robert L. Dow, Stephen W. Wright
  • Patent number: 5807886
    Abstract: Compounds of the formula (I) ##STR1## wherein D represents a 5-membered heterocyclic aromatic ring containing 1 to 4 heteroatoms selected from O, N or S, optionally substituted at a carbon atom by halogen, trifluoromethyl, alkyl C1 to 6, nitro, cyano, and which is connected to the remainder of the compound of formula (I) through a carbon atom; A represents (N(X) or CH(--(CH.sub.2).sub.m --NXY); U represents NH, O or CH.sub.2 ; V represents (CH.sub.2).sub.b ; a, b,m, X and Y are as defined in the specification, together with processes for their preparation and compositions containing them. Compounds of formula (I) are nitric oxide synthetase inhibitors and are useful in therapy.
    Type: Grant
    Filed: November 5, 1996
    Date of Patent: September 15, 1998
    Assignee: Astra Aktiebolag
    Inventors: James Edwin MacDonald, William Calvin Shakespeare, Robert John Murray, James Russell Matz
  • Patent number: 5672724
    Abstract: The present invention relates to a novel method for preparing ranitidine and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: November 16, 1995
    Date of Patent: September 30, 1997
    Assignee: Hoechst Marion Roussel, Inc.
    Inventor: Robert M. Strom
  • Patent number: 5663381
    Abstract: A process for preparing pure N-[2-[[[5-[dimethylamino)-methyl-2-furanyl]methyl]thio]ethyl]-N'-methyl-2- nitro-1,1-ethyldiamine hydrochloride, designated Form 1 ranitidine hydrochloride, from ranitidine in methylene chloride with the addition of hydrochloric acid. The Form 1 ranitidine hydrochloride thus obtained is stable and therefore useful for producing commercial-scale quantities of Form 1 ranitidine hydrochloride.
    Type: Grant
    Filed: April 21, 1995
    Date of Patent: September 2, 1997
    Assignee: Hexal Pharmaceuticals, Inc.
    Inventors: Helmut Schickaneder, Aggelos Nikolopoulos
  • Patent number: 5648486
    Abstract: 2,5-Diaryl tetrahydrofurans, 2,5-diaryl tetrahydrothiophenes, 2,4-diaryl tetrahydrofurans, 2,4-diaryl tetrahydrothiophenes, 1,3-diaryl cyclopentanes, 2,4-diaryl pyrrolidines, and 2,5-diaryl pyrrolidines are disclosed that reduce the chemotaxis and respiratory burst leading to the formation of damaging oxygen radicals of polymorphonuclear leukocytes during an inflammatory or immune response. The compounds exhibit this biological activity by acting as PAF receptor antagonists, by inhibiting the enzyme 5-lipoxygenase, or by exhibiting dual activity, i.e., by acting as both a PAF receptor antagonist and inhibitor of 5-lipoxygenase.A method to treat disorders mediated by PAF or leukotrienes is also disclosed, that includes administering an effective amount of one or more of the above-identified compounds or a pharmaceutically acceptable salt thereof, optionally in a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: May 12, 1993
    Date of Patent: July 15, 1997
    Assignee: CytoMed, Inc.
    Inventors: Xiong Cai, Sajjat Hussoin, San-Bao Hwang, David Killian, T. Y. Shen
  • Patent number: 5621120
    Abstract: A process for the manufacture of Form 1 ranitidine hydrochloride (N-[2-[[[5-(Dimethylamino)methyl]-2-furanyl]methyl]thio]ethyl-N'-methyl-2- nitro-1,1-ethenediamine) hydrochloride, is described. A process to convert ranitidine hydrochloride Form 2 to Form 1 is also described.
    Type: Grant
    Filed: June 24, 1994
    Date of Patent: April 15, 1997
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Jag M. Khanna, Naresh Kumar, Brij Khera, Mahavir S. Khanna
  • Patent number: 5618980
    Abstract: Disclosed are (1) a method for preparing an aromatic secondary amino compound which comprises reacting an N-cyclohexylideneamino compound in the presence of a hydrogen moving catalyst and a hydrogen acceptor by the use of a sulfur-free polar solvent and/or a cocatalyst, and(2) a method for preparing an aromatic secondary amino compound which comprises reacting cyclohexanone or a nucleus-substituted cyclohexanone, an amine and a nitro compound corresponding to the amine in a sulfur-free polar solvent in the presence of a hydrogen moving catalyst, a cocatalyst being added or not added. In a further aspect, a method is provided for the preparation of aminodiphenylamine by reacting phenylenediamine and cyclohexanone in the presence of a hydrogen transfer catalyst in a sulfur-free polar solvent while using nitroaniline as a hydrogen acceptor.
    Type: Grant
    Filed: April 30, 1996
    Date of Patent: April 8, 1997
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Teruyuki Nagata, Chiyuki Kusuda, Masaru Wada, Kenichi Satou, Masae Uchida
  • Patent number: 5567717
    Abstract: A compound of the formula ##STR1## wherein Y, R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are as defined in the specification.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: October 22, 1996
    Assignee: Sterling Winthrop, Inc.
    Inventors: David J. Aldous, Thomas R. Bailey, Guy D. Diana, Theodore J. Nitz
  • Patent number: 5536878
    Abstract: Disclosed are (1) a method for preparing an aromatic secondary amino compound which comprises reacting an N-cyclohexylideneamino compound in the presence of a hydrogen moving catalyst and a hydrogen acceptor by the use of a sulfur-free polar solvent and/or a cocatalyst, and (2) a method for preparing an aromatic secondary amino compound which comprises reacting cyclohexanone or a nucleus-substituted cyclohexanone, an amine and a nitro compound corresponding to the amine in a sulfur-free polar solvent in the presence of a hydrogen moving catalyst, a cocatalyst being added or not added. In a further aspect, a method is provided for the preparation of aminodiphenylamine by reacting phenylenediamine and cyclohexanone in the presence of a hydrogen transfer catalyst in a sulfur-free polar solvent while using nitroaniline as a hydrogen acceptor.
    Type: Grant
    Filed: December 2, 1994
    Date of Patent: July 16, 1996
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Teruyuki Nagata, Chiyuki Kusuda, Masaru Wada, Kenichi Satou, Masae Uchida
  • Patent number: 5532267
    Abstract: Amidinonaphthyl furancarboxylate derivatives of the formula I ##STR1## wherein A is a single bond or A denotes (a) a phenyl group, cyclopentyl group, or cyclohexyl group,(b) an alkenylphenyl group, alkylphenyl group, phenylalkenyl group, or phenylalkyl group wherein alkyl is C.sub.1 to C.sub.7 alkyl and alkenyl is C.sub.2 to C.sub.7 alkenyl,(c) a C.sub.1 to C.sub.18 alkyl or C.sub.2 to C.sub.7 alkenyl group which may be substituted by one or two substituents selected from C.sub.1 to C.sub.5 alkyl groups and quanidino groups, wherein an alkyl substituent together with the carbon atom to which it is attached may form a cycloalkyl ring having from 3 to 6 carbon atoms, or said C.sub.1 to C.sub.5 alkyl may itself be substituted by a C.sub.3 to C.sub.6 cycloalkyl ring, or(d) --(CH.sub.2).sub.n --NH--CO--(CH.sub.2).sub.n' wherein n and n' may be the same or different and represent an integer from 1 to 4; andwherein R denotes(e) a hydroxyl group,(f) a C.sub.1 to C.sub.
    Type: Grant
    Filed: March 22, 1994
    Date of Patent: July 2, 1996
    Assignee: Torii & Co., Ltd.
    Inventors: Toyoo Nakayama, Seizo Taira, Hiroyuki Kawamura, Masaoki Shibuya, Masahiro Iwaki
  • Patent number: 5462963
    Abstract: The present invention involves photoprotective compositions which are useful for topical application to prevent damage to skin caused by acute or chronic exposure to ultraviolet light comprising chelating agents having the structure: ##STR1## wherein each --R.sup.1 is independently selected from the group consisting of alkyl, aryl, heteroaryl and heterocycle, or the --R.sup.1 's are covalently bonded together to form a cyclic alkyl or heterocyclic ring; --R.sup.2 and --R.sup.3 are --OR.sup.4, in which case there is no bond or a polar bond between --R.sup.2 and the nitrogen covalently bonded to --R.sup.3, each --R.sup.4 being independently selected from the group consisting of hydrogen, alkyl and aryl, except that both --R.sup.4 's are not methyl when both --R.sup.1 's are furyl; or --R.sup.2 is --O-- and is covalently bonded to the nitrogen which is covalently bonded to --R.sup.3, and --R.sup.3 is --O-- (there being a + charge on the nitrogen to which it is bonded) or nil;wherein the .alpha.
    Type: Grant
    Filed: August 2, 1991
    Date of Patent: October 31, 1995
    Assignee: The Procter & Gamble Company
    Inventors: Rodney D. Bush, Donald L. Bissett
  • Patent number: 5434151
    Abstract: 2,5-Diaryl tetrahydrofurans, 2,5-diaryl tetrahydrothiophenes, 2,4-diaryl tetrahydrofurans, 2,4-diaryl tetrahydrothiophenes, 1,3-diaryl cyclopentanes, 2,4-diaryl pyrrolidines, and 2,5-diaryl pyrrolidines are disclosed that reduce the chemotaxis and respiratory burst leading to the formation of damaging oxygen radicals of polymorphonuclear leukocytes during an inflammatory or immune response. The compounds exhibit this biological activity by acting as PAF receptor antagonists, by inhibiting the enzyme 5-lipoxygenase, or by exhibiting dual activity, i.e., by acting as both a PAF receptor antagonist and inhibitor of 5-lipoxygenase.A method to treat disorders mediated by PAF or leukotrienes is also disclosed, that includes administering an effective amount of one or more of the above-identified compounds or a pharmaceutically acceptable salt thereof, optionally in a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: August 24, 1992
    Date of Patent: July 18, 1995
    Assignee: CytoMed, Inc.
    Inventors: Xiong Cai, Sajjat Hussoin, San-Bao Hwang, David Killian, T. Y. Shen
  • Patent number: 5434181
    Abstract: The present invention relates to novel (tetrahydro-3-furanyl)methylamino derivatives of the following formula (1): ##STR1## wherein the variables are defined in the specification, which are useful as insecticides.
    Type: Grant
    Filed: October 20, 1994
    Date of Patent: July 18, 1995
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Kenji Kodaka, Katsutoshi Kinoshita, Takeo Wakita, Shirou Shiraishi, Kazutomi Ohnuma, Eiichi Yamada, Naoko Yasui, Michihiko Nakaya, Hirozumi Matsuno, Nobuyuki Kawahara, Koichi Ebihara
  • Patent number: 5391772
    Abstract: Described is a process for converting an alcohol to an azide with S.sub.N 2 inversion using a phosphoryl azide, e.g. diphenylphosphoryl azide (DPPA). Good yields of azide in high enantiomeric excess can be achieved specifically for benzylic alcohols and alpha-hydroxy alkyl esters. The process is carried at preferably room temperature in an inert dry aprotic solvent, e.g. toluene, and in the presence of a proton acceptor, e.g. 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) to afford high yields of high enantiomeric purities.
    Type: Grant
    Filed: July 8, 1993
    Date of Patent: February 21, 1995
    Assignee: Merck & Co., Inc.
    Inventors: Andrew S. Thompson, Edward J. J. Grabowski
  • Patent number: 5358938
    Abstract: 2,5-Diaryl tetrahydrofurans, 2,5-diaryl terahydrothiophenes, 2,4-diaryl tetrahydrofurans, 2,4-diaryl tetrahydrothiphenes, 1,3-diaryl cyclopentanes, 2,4-diaryl pyrrolidines, and 2,5-diaryl pyrrolidines are disclosed that reduce the chemotaxis and respiratory burst leading to the formation of damaging oxygen radicals of polymorphonuclear leukocytes during an inflammatory or immune response. The compounds exhibit this biological activity by acting as PAF receptor antagonists, by inhibiting the enzyme 5-lipoxygenase, or by exhibiting dual activity, i.e., by acting as both a PAF receptor antagonist and inhibitor of 5-lipoxygenase.A method to treat disorders mediated by PAF or leukotrienes is also disclosed, that includes administering an effective amount of one or more of the above-identified compounds or a pharmaceutically acceptable salt thereof, optionally in a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: July 13, 1992
    Date of Patent: October 25, 1994
    Assignee: CytoMed, Inc.
    Inventors: Xiong Cai, Saijat Hussoin, San-Bao Hwang, David Killian, T. Y. Shen
  • Patent number: 5338871
    Abstract: Pure Form 1 ranitidine hydrochloride is prepared by a process of crystallization from a solution of ranitidine hydrochloride in a mixed solvent comprising 1 part by volume of at least one lower alkanol such as ethanol and 1-2.0 parts by volume of a C.sub.6 -C.sub.10 aromatic hydrocarbon such as toluene, and in the presence of seed crystals of pure Form 1 ranitidine hydrochloride. In the preferred process according to the invention, the ranitidine hydrochloride is prepared in situ in the solvent mixture by adding hydrochloric acid to a solution of the free base in the solvent mixture, in the presence of the seed crystals.
    Type: Grant
    Filed: April 1, 1993
    Date of Patent: August 16, 1994
    Assignee: Torcan Chemical Ltd.
    Inventors: Teng-Ko Ngooi, Jeffry D. McGolrick, Casimir Antczak, James L. A. Tindall
  • Patent number: 5292760
    Abstract: Novel 4,5-dihydro-4-heteroaryl-3H-1,3-benzodiazepines, intermediates, processes for the preparation thereof, and methods for treating depression, inhibiting convulsions and treating anxiety utilizing compounds and compositions thereof are disclosed.
    Type: Grant
    Filed: April 22, 1992
    Date of Patent: March 8, 1994
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Lawrence L. Martin, Joseph F. Payack, Salvatore M. Brucato
  • Patent number: 5284853
    Abstract: The invention provides novel 2, 3, 6 substituted quinazolinones of the formula ##STR1## wherein, R, R.sup.6 and X are defined in the specification which have activity as angiotensin II (AII) antagonists.
    Type: Grant
    Filed: April 23, 1993
    Date of Patent: February 8, 1994
    Assignee: American Cyanamid Company
    Inventors: Jeremy I. Levin, Aranapakam M. Venkatesan
  • Patent number: 5229418
    Abstract: The invention relates to a salt of a basic histamine H.sub.2 -receptor antagonist of formula (I) ##STR1## and a complex of bismuth with a carboxylic acid selected from tartaric acid, citric acid and alkyl citric acids, or a solvate of such a salt, whereinR.sup.1 represents a group of formula ##STR2## where R.sup.3 represents methyl or the group (CH.sub.2).sub.2 CONR.sup.4 R.sup.5 in which R.sup.4 and R.sup.5 both represent ethyl groups;R.sup.2 represents a hydrogen atom or, when R.sup.1 is the group --C(.dbd.CHNO.sub.2)NHCH.sub.3, R.sup.2 may also represent a methyl group; andn is 3 and X is oxygen, or n is 2 and X is CH.sub.2 or sulphur;with the provisos that(i) when R.sup.1 represents ##STR3## then X is sulphur and n is 2: (ii) when R.sup.1 represents --C(.dbd.CHNO.sub.2)NHCH.sub.3 and R.sup.2 is hydrogen, then X is oxygen and n is 3 or X is CH.sub.2 and n is 2; and(iii) when R.sup.1 represents --C(.dbd.CHNO.sub.2)NHCH.sub.3 and R.sup.2 is methyl, then X is oxygen and n is 3 or X is sulphur and n is 2.
    Type: Grant
    Filed: April 25, 1991
    Date of Patent: July 20, 1993
    Assignee: Glaxo Group Limited
    Inventors: Eric W. Collington, John W. Clitherow, David E. Bays
  • 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: 5217991
    Abstract: Non-peptidyl compounds characterized generally as cycloalkyl/cycloalkylalkyl-N-terminal cycloalkoxy-C-terminal amino hydroxy .beta.-amino acid derivatives are useful as renin inhibitors for treatment of hypertension. Compounds of particular interest are of the formula ##STR1## wherein R.sub.1 is selected from cycloalkyl and cycloalkylalkyl groups, wherein said cycloalkyl group contains three to about eight carbon atoms and the acyclic alkyl portion of said cycloalkylalkyl group contains one to about eight carbon atoms; wherein each of R.sub.2 and R.sub.4 is independently selected from hydrido and methyl; wherein R.sub.3 is methyl or ethyl: wherein R.sub.5 is cyclohexylmethyl; wherein R.sub.6 and R.sub.
    Type: Grant
    Filed: May 28, 1992
    Date of Patent: June 8, 1993
    Assignee: G. D. Searle & Co.
    Inventors: Gunnar J. Hanson, John S. Baran, Dave Weissing, Mark Russell
  • Patent number: 5216013
    Abstract: Non-peptidyl compounds characterized generally as heterocyclic acyl aminodiol .beta.-amino acid derivatives are useful as renin inhibitors for treatment of hypertension. Compounds of particular interest are compounds of the formula ##STR1## wherein R.sub.1 is selected from aryl and aralkyl groups represented by ##STR2## and wherein R.sub.1 may be further selected from heteroaryl and heteroaralkyl represented by ##STR3## wherein each of T and A is independently selected from N and CH; wherein n is a number selected from zero through five, inclusive; wherein X is selected from oxygen atom, methylamino and NH; wherein each of Y and Z is independently selected from chloro, fluoro, methoxy and dimethylamino; wherein Q is oxygen atom; and wherein each of T and A is independently selected from N and CH; wherein each of R.sub.2 and R.sub.4 is independently selected from hydrido and methyl; wherein R.sub.3 is selected from methyl and ethyl; wherein R.sub.5 is cyclohexylmethyl; wherein R.sub.6 is hydroxy; wherein R.
    Type: Grant
    Filed: July 16, 1992
    Date of Patent: June 1, 1993
    Assignee: G. D. Searle & Co.
    Inventor: Gunnar J. Hanson
  • Patent number: 5196454
    Abstract: The invention relates to novel 2,5-diaminotetralines of the formula: ##STR1## wherein R1, R2, R3 and R4 are defined herein, processes for preparing them and their use in pharmaceutical compositions. The novel 2,5-diaminotetralines are useful in treating diseases caused by disorders of the dopaminergic systems.
    Type: Grant
    Filed: June 15, 1990
    Date of Patent: March 23, 1993
    Assignee: Boehringer Ingelheim KG
    Inventors: Matthias Grauert, Herbert Merz, Joachim Mierau, Gunter Schingnitz, Claus Schneider
  • Patent number: 5169973
    Abstract: Alpha-aminonitriles can be synthesized by the reaction, at ambient temperature without use of catalyst, of essentially stoichiometric amounts of amine, aldehyde (either monoaldehyde or dialdehyde) and trimethylsilyl cyanide.
    Type: Grant
    Filed: April 15, 1991
    Date of Patent: December 8, 1992
    Assignee: Virginia Tech Intellectual Properties, Inc.
    Inventors: Harry W. Gibson, Jean-Pierre LeBlanc
  • Patent number: 5120849
    Abstract: O-substituted hydroxylamines (I)H.sub.2 N--O--CH.sub.2 --R(I)where R is H or an organic radical, and their salts are prepared by reacting a cyclic imidoether II of a 1,4- or 1,5-dicarboxylic acid, the said imidoether containing an ether group --O--CH.sub.2 --R, with a basic compound by a method in which a primary aliphatic aminoalcohol III is used as the basic compound and the compound I is, if required, converted to its salts.
    Type: Grant
    Filed: January 9, 1991
    Date of Patent: June 9, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Jochen Wild, Norbert Goetz, Wolfgang Will, Rolf-Dieter Kohler, Peter Plath
  • Patent number: 5112977
    Abstract: Substituted naphthacenediones of the formula I ##STR1## in which R.sup.1 to R.sup.8 are H and at least one of R.sup.1 to R.sup.8, for example R.sup.2 and R.sup.3 or R.sup.2 and R.sup.6, are, for example, C.sub.1 -C.sub.20 alkoxy, C.sub.1 -C.sub.20 alkenoxy, C.sub.1 -C.sub.20 -alkylsulfinyl, --CN, --CF.sub.3, --NO.sub.2, --Si(CH.sub.3).sub.3 or --COO(C.sub.1 -C.sub.12 alkyl), are suitable, when incorporated into polymers having hydroxyalkyl groups, for currentless deposition of metals onto the polymer surface. They are in some cases suitable as photoinitiators.
    Type: Grant
    Filed: May 24, 1989
    Date of Patent: May 12, 1992
    Assignee: Ciba-Geigy Corporation
    Inventors: Walter Fischer, Marcus Baumann, Jurgen Finter, Vratislav Kvita, Carl W. Mayer, Wolfgang Wernet
  • Patent number: 5104874
    Abstract: A series of 2-amino-5,6-dimethyl-1,4-benzoquinone derivatives, inhibitors of cyclooxygenase and lipoxygenase and useful as antiallergic and antiinflammatory agents.
    Type: Grant
    Filed: December 13, 1990
    Date of Patent: April 14, 1992
    Assignee: Pfizer Inc.
    Inventors: Takafumi Ikeda, Hiroaki Wakabayashi, Masami Nakane
  • Patent number: 5089639
    Abstract: N-Cycloalkylalkylamines of formula I: ##STR1## in which: R1 is phenyl which is optionally mono-, di- or trisubstituted by halogens or lower alkyl, haloalkyl or lower alkoxy radicals, or is an aromatic heterocyclic radical having 5 to 7 chain members, in which the hetero atom is nitrogen, oxygen or sulphur,R2 is lower alkyl,R3 is hydrogen or lower alkyl,m has the value of 1 or 2,R4 is cycloalkyl --CH(CH2)n, in which a carbon atom may carry a radical Rx, which is lower alkyl or phenyl; and in which n has the values from 2 to 5,R5 is phenyl, which can be mono-, di- or trisubstituted by halogens or by lower alkoxy radicals, andQ represents an ethylene-1,2-diyl group --CH.dbd.
    Type: Grant
    Filed: January 24, 1991
    Date of Patent: February 18, 1992
    Assignee: Jouveinal S.A.
    Inventors: Gilbert G. Aubard, Alain P. Calvet, Jean-Pierre Defaux, Claude J. Gouret, Agnes M. Grouhel, Henry L. Jacobelli, Jean-Louis Junien, Xavier B. Pascaud, Francois F. Roman, James P. Hudspeth, Yuan Lin
  • Patent number: 5087700
    Abstract: A novel process for producing hindered and unhindered primary amines represented by the formula RNH.sub.2 and R*NH.sub.2 in high yields from novel intermediates RBMe.sub.2 or R*BMe.sub.2 wherein R is an organo group, R* is a chiral organo group, attached to boron, B is boron and Me is methyl.
    Type: Grant
    Filed: March 26, 1990
    Date of Patent: February 11, 1992
    Assignee: Aldrich Chemical Company, Inc.
    Inventor: Herbert C. Brown
  • Patent number: 5053430
    Abstract: Novel compounds having the general formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as defined herein. These compounds are useful in the treatment of schizophrenia.
    Type: Grant
    Filed: September 22, 1989
    Date of Patent: October 1, 1991
    Assignee: Boehringer Ingelheim KG
    Inventors: Matthias Grauert, Herbert Merz, Joachim Mierau, Gunter Schingnitz, Claus Schneider
  • Patent number: 5026845
    Abstract: Processes and intermediates for preparing 1,4-diazabicyclo[3.2.2.]nonane including a process for the preparation of a compound of the formula ##STR1## wherein R.sup.1 is C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkyl substituted with 1 to 6 halo groups; and R.sup.2 is hydrogen, naphthoyl, substituted naphthoyl, benzyl, substituted benzyl, benzoyl or substituted benzoyl, wherein each of said substituted naphthoyl, substituted benzyl, and substituted benzoyl is substituted with one to three substituents selected from the group consisting of halo, C.sub.1 -C.sub.4 alkoxy and C.sub.1 -C.sub.4 alkyl, comprising reacting a compound of the formula ##STR2## wherein R.sup.1 and R.sup.3 are independently selected from C.sub.1 -C.sub.4 alkyl and C.sub.1 -C.sub.4 alkyl substituted with 1 to 6 halo groups with an alkyl stannane or a trialkyl aluminum and, if desired, reacting the resulting compound of the formula III wherein R.sup.
    Type: Grant
    Filed: October 4, 1989
    Date of Patent: June 25, 1991
    Inventors: Robert C. Friedmann, John W. Lackey, Brian T. O'Neill
  • Patent number: 5017723
    Abstract: Substituted ethylamines of the formula ##STR1## wherein R.sub.1 is phenyl optionally mono-, di- or trisubstituted by halogen, lower alkyl, lower haloalkyl or lower alkoxy, or is an aromatic heterocycle having 5 to 7 chains wherein the heteroatom is nitrogen, oxygen or sulfur,R.sub.2 is lower alkyl,R.sub.3 and R.sub.4, each independently, represent hydrogen, lower alkyl or lower alkenyl,R.sub.5 is phenyl optionally mono-, di- or trisubstituted by halogen or lower alkoxy or is an aromatic heterocycle having 5 to 7 chains wherein the heteroatom is nitrogen, oxygen or sulfur andQ represents a --CH.dbd.CH-- ethylene group or a 1,2-diyl ##STR2## propane group, their acid addition salts and their optically active forms. These substituted ethylamines have psycotropic properties and are useful as medicines.
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: May 21, 1991
    Assignee: Jouveinal S.A.
    Inventors: Gilbert G. Aubard, Alain P. Calvet, Claude J. Gouret, Agnes M. Grouhel, Henry L. Jacobelli, Jean-Louis Junien, Xavier B. Pascaud, Francois J. Roman, Claude D. Soulard, James P. Hudspeth, Yuan Lin
  • Patent number: 4997848
    Abstract: Compounds of formula (I): ##STR1## in which: R represents hydrogen, methyl of hydroxy; X represents an alkyl, alkenyl, cycloalkyl, aryl, aralkyl, or heterocyclic group; A represents a single bond, or an alkylene, alkenylene, alkynylene or alkadienylene group; Y represents hydrogen, or an aryl, cycloalkyl or heterocyclic group] have valuable antihypercholesteremic activities and may be used in the treatment of disorders arising from a blood cholesterol imbalance in humans and other animals.
    Type: Grant
    Filed: October 21, 1988
    Date of Patent: March 5, 1991
    Assignee: Sankyo Company, Limited
    Inventors: Masaaki Kurabayashi, Hiroshi Kogen, Hiroshi Kadokawa, Hideshi Kurihara, Kazuo Hasegawa, Masao Kuroda
  • Patent number: 4963574
    Abstract: Use of a compound of formula ##STR1## wherein A is an aromatic-heterocyclic ring which contains an oxygen or nitrogen atom, and n is 1 or 2, for controlling insects and plant-destructive nematodes and to a composition containing such a compound. The compounds of this invention are particularly suitable for controlling sucking insects.
    Type: Grant
    Filed: February 16, 1988
    Date of Patent: October 16, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Markus Bachmann, Laurenz Gsell, Hanspeter Fischer
  • Patent number: 4958037
    Abstract: Novel precursors for the synthesis of methyl-9-oxo-11.alpha.,16-dihydroxy-16-vinyl-5-cis-13-trans prostadienoates having the formulae ##STR1## wherein R.sub.1 is H or C.sub.1 -C.sub.4 alkyl; R.sub.2 is C.sub.1 -C.sub.4 alkyl, R.sub.3 is H, C.sub.1 -C.sub.4 trialkylsilyl or C.sub.1 -C.sub.6 alkyl; X.sub.1 is halogen, cyano, C.sub.1 -C.sub.4 alkoxycarbonyl, carboxy or tri (C.sub.1 -C.sub.4 alkoxy)methyl; n is 2-4 inclusive; and P.sub.1 is H or a blocking or protective group; congeners and racemic mixture of these compounds and processes of synthesizing them.
    Type: Grant
    Filed: April 25, 1988
    Date of Patent: September 18, 1990
    Assignee: American Cyanamid Company
    Inventor: Middleton B. Floyd, Jr.
  • Patent number: 4924008
    Abstract: The use of the compounds: ##STR1## where R is hydrogen, alkyl, alkoxy, hydroxy, alkanoyloxy, phenylalkoxy, halo or trifluoromethyl; R.sup.1 is alkyl, alkenyl or phenylalkyl; R.sup.2 is hydrogen, alkyl, phenylalkyl, alkenyl, alkynyl, thienylalkyl or furylalkyl; n is one of the integers 2, 3, 4, 5 or 6; or a pharmaceutically acceptable salt thereof, as NMDA antagonists in the treatment of convulsions and neurodegenerative disease states. The compounds in which R.sup.2 are heterocyclylalkylamines are novel and useful NMDA antagonists.
    Type: Grant
    Filed: May 4, 1989
    Date of Patent: May 8, 1990
    Assignee: American Home Products Corporation
    Inventors: Magid A. Abou-Gharbia, Ronald R. Notvest
  • Patent number: 4921980
    Abstract: A process for the preparation of N-alkylanilines is described, the most essential feature of which comprises reacting corresponding anilines at 150.degree. to 300.degree.C. with corresponding alcohols in the presence of a catalyst consisting of silica gel as carrier, of 0.2 to 10% of platinum and of 0.05 to 3% of a compound of a metal of the groups Ia and/or IIa of the Periodic Table, with the catalyst additionally containing at least one compound of an element of the groups Ib, IVa, IVb, Vb, VIIb and VIII in such an amount that the atomic ratio of platinum to the sum of these elements is 1 to 6.
    Type: Grant
    Filed: May 22, 1987
    Date of Patent: May 1, 1990
    Assignee: Ciba-Geigy Corporation
    Inventor: Milos Rusek
  • Patent number: 4917826
    Abstract: Provided are cyclic hydrocarbons of Formula I ##STR1## with an aminoalkyl sidechain that are useful for treating phospholipase A2 mediated conditions, diabetes, and obesity.
    Type: Grant
    Filed: June 16, 1987
    Date of Patent: April 17, 1990
    Assignee: The Upjohn Company
    Inventors: Roy A. Johnson, Gordon L. Bundy, Gilbert A. Youngdale, Douglas R. Morton, Donald P. Wallach, deceased