Patent number: 4946840
Abstract: Vasodilating activity is exhibited by compounds having the formula ##STR1## and the pharmaceutically acceptable salts thereof, wherein X is --CH.sub.2 -- or --S--;R.sub.1 is ##STR2## or --O--Y.sub.3 ; R.sub.2 is heterocyclo or heteroaryl;R.sub.3 and R.sub.4 are each independently hydrogen, halogen, alkyl, alkoxy, aryloxy, arylalkoxy, arylalkyl, cyano, hydroxy, alkanoyloxy, ##STR3## fluoro-substituted alkoxy, fluoro-substituted alkyl, (cycloalkyl)alkoxy, --NO.sub.2, --NY.sub.10 Y.sub.11, --S(O).sub.k alkyl, --S(O).sub.k aryl ##STR4## n is 0, 1, 2 or 3; m is 0, 1, 2 or 3;k is 0, 1 or 2;Y.sub.1 and Y.sub.2 are each independently hydrogen or alkyl; or Y.sub.1 is hydrogen and Y.sub.2 is alkenyl, alkynyl, aryl, heteroaryl, or cycloalkyl; or Y.sub.1 and Y.sub.2, together with the carbon atom to which they are attached, are cycloalkyl;Y.sub.3 is hydrogen, alkyl, alkanoyl, alkenyl, arylcarbonyl, heteroarylcarbonyl, or ##STR5## Y.sub.8 and Y.sub.9 are each independently hydrogen, alkyl, aryl, or heteroaryl; or Y.sub.
Type:
Grant
Filed:
April 6, 1989
Date of Patent:
August 7, 1990
Assignee:
E. R. Squibb & Sons, Inc.
Inventors:
Joel C. Barrish, Spencer D. Kimball, John Krapcho
Patent number: 4855301
Abstract: Cardiovascular activity is exhibited by compounds having the formula ##STR1## and pharmaceutically acceptable salts thereof wherein X is oxygen or sulfur;R is hydrogen, alkyl, cycloalkyl, aryl, or arylalkyl and R.sub.1 is hydrogen, alkyl, cycloalkyl, aryl, heterocyclo, ##STR2## or halo substituted alkyl, or R and R.sub.1 taken together with the nitrogen atom to which they are attached are 1-pyrrolidinyl, 1-piperidinyl, 1-azepinyl, 4-morpholinyl, 4-thiamorpholinyl, 1-piperazinyl, 4-alkyl-1-piperazinyl, 4-arylalkyl-1-piperazinyl, 4-diarylalkyl-1-piperazinyl or 1-pyrrolidinyl, 1-piperidinyl, or 1-azeipinyl substituted with alkyl, alkoxy, alkylthio, halo, trifluoromethyl or hydroxy;R.sub.2 is hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, ##STR3## or halo substituted alkyl; R.sub.3 is hydrogen, alkyl, cycloalkyl, aryl, heterocyclo, ##STR4## or halo substituted alkyl; R.sub.4 is aryl or heterocyclo;R.sub.5 and R.sub.6 are each independently hydrogen, alkyl, --(CH.sub.2).sub.q --aryl or --(CH.sub.2).sub.
Type:
Grant
Filed:
February 9, 1987
Date of Patent:
August 8, 1989
Assignee:
E. R. Squibb & Sons, Inc.
Inventors:
Karnail Atwal, George C. Rovnyak