Abstract: 1-Phenyl-3-benzazepine compounds are useful in treating gastrointestinal motility disorders. A particular compound of this invention is 8-hydroxy-3-methyl-1-phenyl-7-phenylthio-2,3,4,5-tetrahydro-1H-3-benzazepi ne.
Type:
Grant
Filed:
December 20, 1985
Date of Patent:
November 17, 1987
Assignee:
Smithkline Beckman Corporation
Inventors:
William E. Bondinell, Thomas Wen-Fu Ku, Herbert S. Ormsbee, III
Abstract: A process for the preparation of N-brominated or N-chlorinated phenylmaleimide by reacting maleic anhydride and a brominated or chlorinated aniline compound at temperatures of from about 100.degree. C. to about 210.degree. C. in the presence of tin containing catalyst compound and optionally an inert solvent.
Abstract: Novel benzothiophene and benzofuran derivatives having antiallergic activity are described as well as a method of manufacture, pharmaceutical compositions, and methods of use therefor. The disclosure describes the use of derivatives for prevention of the release of mediators including histamine and leukotrienes from basophils and mast cells, and prevent respiratory burst in neutrophils providing activity useful in cardiovascular disorders as well as in antiinflammatory, psoriasis, and antimigraine treatment.
Type:
Grant
Filed:
October 28, 1985
Date of Patent:
October 27, 1987
Assignee:
Warner-Lambert Company
Inventors:
David T. Connor, Wiaczeslaw A. Cetenko, Paul C. Unangst, Elizabeth A. Johnson
Abstract: 2-Benzyl-7,7-dimethyl-6,8-dioxa-2-aza-spiro[3,5]nonane of the formula ##STR1## and a process for the preparation of that compound, which compound is useful as an intermediate in the preparation of 3-carboxy azetidine.
Type:
Grant
Filed:
May 5, 1986
Date of Patent:
October 20, 1987
Assignee:
Shell Oil Company
Inventors:
Ronald F. Mason, Gary Scholes, Jan W. van Reijendam
Abstract: Substituted 8-hydroxyquinoline metal extractants having a cyclic hydrocarbon substituent at either the 5 and 7 or only the 7 position are described.
Abstract: (S)-alpha-ethyl-2-oxo-1-pyrrolidineacetamide, its preparation and pharmaceutical compositions containing the same. It can be prepared either by reacting (S)-alpha-ethyl-2-oxo-1-pyrrolidineacetic acid successively with an alkyl haloformate and with ammonia, or, by cyclizing an (S)-2-aminobutanamide of the formula X--CH.sub.2 CH.sub.2 --Y--NHCH(C.sub.2 H.sub.5)CONH.sub.2 wherein Y is a --CH.sub.2 -- radical when X represents a ZOOC-- radical and Y is a --CO-- radical when X represents a HalCH.sub.2 -- radical, Z being a C.sub.1 -C.sub.4 alkyl radical and Hal a halogen atom.This laevorotatory enantiomer has been found to have significantly higher protective activity against hypoxia and ischemia than the corresponding racemate.
Type:
Grant
Filed:
May 14, 1985
Date of Patent:
September 29, 1987
Assignee:
U C B Societe Anonyme
Inventors:
Jean Gobert, Jean-Pierre Geerts, Guy Bodson
Abstract: (R)-alpha-ethyl-2-oxo-1-pyrrolidineacetamide, its preparation and pharmaceutical compositions containing the same. It can be prepared either by reacting (R)-alpha-ethyl-2-oxo-1-pyrrolidineacetic acid successively with an alkyl haloformate and with ammonia, or, by cyclizing an (R)-2-amino-butanamide of the formula X--CH.sub.2 CH.sub.2 --Y--NHCH(C.sub.2 H.sub.5)CONH.sub.2 wherein Y is a --CH.sub.2 -- radical when X represents a ZOOC-- radical and Y is a --CO-- radical when X represents a HalCH.sub.2 -- radical, Z being a C.sub.1 -C.sub.4 alkyl radical and Hal a halogen atom. This dextrorotatory enantiomer has been found to have significantly higher mnemic activity and lower toxicity than the corresponding racemate.
Type:
Grant
Filed:
May 14, 1985
Date of Patent:
September 29, 1987
Assignee:
UCB Societe Anonyme
Inventors:
Jean Gobert, Corneliu Giurgea, Jean-Pierre Geerts, Guy Bodson
Abstract: Polyfluoro .gamma.-ketoester compounds are obtained by reaction of ethylenic monoolefins, a metal or quaternary ammonium cyanide, and a fluoroester. These compounds, which have a general formula R.sub.F C(O)CFYCF.sub.2 CO.sub.2 R.sup.1, can be copolymerized directly with fluorinated ethylenic monoolefins, or further reacted to form vinyl ether and allyl ether derivatives which may also be copolymerized with ethylenic comonomers, forming solid, moldable copolymers with useful properties determined by the nature of pendant functional groups R.sub.F.
Abstract: 6-Chloro-3-methyl-1H-2,3,4,5-tetrahydro-3-benzazepine-N-oxide is prepared by mild oxidation of the corresponding amine. It has been found to have prolonged .alpha..sub.2 -antagonistic or antihypertensive activity.
Abstract: The invention relates to compounds of the formula ##STR1## in which R.sup.1 and R.sup.2 are identical or different and represent alkyl or aryl or together form a C chain and R.sup.3 denotes alkyl or aryl, a process for their preparation and their use.
Abstract: Selective alpha-adrenoceptor antagonists having the Formula: ##STR1## which are useful to produce alpha.sub.3 -selective adrenoceptor antagonism, pharmaceutical compositions including these antagonists, and methods of using these antagonists to selectively antagonize alpha.sub.3 adrenoceptor mediated activity in mammals.
Type:
Grant
Filed:
March 17, 1986
Date of Patent:
July 28, 1987
Assignee:
SmithKline Beckman Corporation
Inventors:
Robert M. Demarinis, Francis R. Pfeiffer
Abstract: There are disclosed compounds of the formula ##STR1## wherein X is N or CR.sup.2Y is O, S, NR.sup.2, CHR.sup.2 or C(R.sup.2).sub.2 when n=0, or N or CR.sup.2 when n=1;p is 0-3;R.sup.1 is ##STR2## R.sup.2 is hydrogen or lower alkyl; R.sup.3 is hydrogen, lower alkyl, phenyl, thienyl, furyl, pyridyl, ##STR3## --C(R.sup.4).sub.3 or --(CH.sub.2).sub.p COOR.sup.2 ; R.sup.4 is halo;Z is O or S;and the pharmaceutically acceptable salts thereof, and their use in the treatment of luekotriene-mediated naso-bronchial obstructive airpassageway conditions, such as allergic rhinitis, allergic bronchial asthma and the like, in psoriasis, ulcerative colitis, rheumatoid arthritis as well as in other immediate hypersensitivity reactions.
Abstract: The invention relates to novel substituted-3-(2,3-dihydro-1H-inden-5-yl)-4-hydroxy-1H-pyrrole-2,5-diones, their analogs and their salts. These compounds are synthesized by methods selected from a number of synthetic routes depending on the particular structure, choice of intermediate or preferred reaction sequence. The compounds are useful for the treatment and prevention of injury to the brain and of edema due to head trauma, stroke (particularly ischemic), arrested breathing, cardiac arrest, Reye's syndrome, cerebral thrombosis, cerebral embolism, cerebral hemorrhage, cerebral tumors, encephalomyelitis, spinal cord injury, hydrocephalus, post-operative brain injury trauma, edema due to cerebral infections and various brain concussions.
Type:
Grant
Filed:
February 20, 1986
Date of Patent:
July 14, 1987
Assignee:
Merck & Co., Inc.
Inventors:
Edward J. Cragoe, Jr., Otto W. Woltersdorf, Jr.
Abstract: Phenylquinolinecarboxylic acids and derivatives thereof, such as 2-(2'-fluoro-1,1'-biphenyl-4-yl)-6-fluoro-3-methyl-4-quinolinecarboxylic acid, or a sodium or potassium salt thereof, are useful as tumor inhibiting agents.
Abstract: Bicyclic fused benzenoid compounds of the formula ##STR1## and pharmaceutically acceptable cationic and acid addition salts thereof, where M is O, CH.sub.2 or NR.sub.6 ; R.sub.6 is hydrogen, formyl, carbobenzyloxy or certain carboalkoxyalkyl, alkanoyl, alkyl, aralkyl or aralkylcarbonyl groups;A' is:(1) A where one of A and B is hydrogen such that when A is hydrogen, B is C(R.sub.2 R.sub.3)(CH.sub.2).sub.f Q and f is 1 or 2; when B is hydrogen, A is C(R.sub.2 R.sub.3)(CH.sub.2).sub.f Q and f is 0 or 1, when taken together A and OR.sub.1 form a lactone or certain derivatives thereof;(2) A' is ##STR2## (3) A' is Q.sub.3 ; Q is CO.sub.2 R.sub.7, COR.sub.8, C(OH)R.sub.8 R.sub.9, CN, CONR.sub.12 R.sub.13, CH.sub.2 NR.sub.12 R.sub.13, CH.sub.2 NHCOR.sub.14, CH.sub.2 NHSO.sub.2 R.sub.17 or 5-tetrazoyl;Q.sub.3 is ##STR3## 5-tetrazolyl, CH.sub.2 CONHCOR.sub.7, COOH or certain ester, amide, carboximido or sulfonimido derivatives thereof, CONHOH, CONHCONH.sub.2, or COCH.sub.2 Q.sub.4 and Q.sub.
Type:
Grant
Filed:
August 9, 1984
Date of Patent:
July 14, 1987
Assignee:
Pfizer Inc.
Inventors:
James F. Eggler, Michael R. Johnson, Lawrence S. Melvin, Jr.
Abstract: Pharmaceutical compounds are described of the formula ##STR1## in which R.sup.1 is (i) R.sup.4 O(CH.sub.2 CH.sub.2 O).sub.n (CH.sub.2).sub.m --, where R.sup.4 is hydrogen or C.sub.1-5 alkyl, n is 0 or 1 to 5 and m is 1 to 7, or (ii) R.sup.5 --X-- where R.sup.5 is a polar group and X is a C.sub.6-20 alkylene or a C.sub.6-20 alkenylene radical containing from 1 to 3 double bonds, R.sup.2 is a group of the formula A--B-- where A is --COOH or ##STR2## where R.sup.6 is hydrogen or a protecting group, and B is C.sub.1-6 alkylene, and R.sup.3 is --COOH or ##STR3## where R.sup.7 is hydrogen or a protecting group; or a salt or ester thereof.
Abstract: There are described compounds of the formula ##STR1## in which R.sup.1 is hydrogen or C.sub.1-6 alkyl, R.sup.2 is hydrogen, C.sub.1-6 alkyl or C.sub.3-6 alkenyl, R.sup.3 is hydrogen or C.sub.1-6 alkyl, R.sup.4 is hydrogen or an N-protecting group, n is 2, 3, 4 or 5, and X is oxygen, sulphur or --CH.sub.2 --, provided that when X is --CH.sub.2 -- n is 0; and salts thereof. The compounds in which R.sup.4 is hydrogen have pharmaceutical activity.
Abstract: Compounds of formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are each independently selected from H, OH, C.sub.1 -C.sub.4 alkyl, R.sub.4 --CO and halogen, where R.sub.4 is C.sub.1 -C.sub.4 alkyl; R.sub.5 and R.sub.6 are each independently selected from H, C.sub.1 -C.sub.4 alkyl and optionally-substituted phenyl; R.sub.7 is an alkylene group having from 1 to 4 carbon atoms, optionally containing a substituted or unsubstituted phenyl group; p is 0 or 1; and Z is a 1H-tetrazol-5-yl or a --CN group; and salts thereof, may be prepared by reacting a compound of formula. ##STR2## with a compound of formula ##STR3## wherein R.sub.1 -R.sub.7 are as defined in claim 1, in an organic solvent at a temperature in the range of 40.degree.-120.degree. C.
Abstract: The present invention relates to a spherical amino acid having an average particle size of about 1 mm or below and a process for the preparation thereof.