wherein R3 is as above defined. These compounds are useful as coronary agents and as anti-hypertensive agents.
wherein R is alkyl, alkenyl or alkynyl, and R1 and R2 are as above defined, with an amidine of the formula
WHEREIN R1 is hydrogen, straight or branched chain alkyl, or COOR'' wherein R'' is a straight, branched or cyclic, saturated or unsaturated hydrocarbon or said hydrocarbon interrupted by 1 or 2 oxygen atoms; R2 is a straight, branched or cyclic, saturated or unsaturated hydrocarbon, aryl unsubstituted or substituted by 1 to 3 of the same or different substituents selected from the group consisting of alkyl, alkoxy, halogen, nitro, cyano, trifluoromethyl, carbalkoxy and SOn-alkyl wherein n is 0, 1 or 2, or naphthyl, quinolyl, isoquinolyl, pyridyl, pyrimidyl, thenyl, furyl or pyrryl unsubstituted or substituted by 1 or more substituents selected from the group consisting of alkyl, alkoxy and halogen; and R3 is a straight or branched chain hydrocarbon or said hydrocarbon interrupted by 1 or 2 oxygen atoms, are produced by reacting an Alpha , Beta -unsaturated carboxylic acid ester of the formula
摘要翻译:式WHEREIN R 1是氢,直链或支链烷基或-COOR'的3,4-二氢吡啶酮,其中R'是直链,支链或环状,饱和或不饱和烃或被1或2个氧原子间断的烃; R2是直链,支链或环状的饱和或不饱和的烃,未取代或被1至3个相同或不同的选自烷基,烷氧基,卤素,硝基,氰基,三氟甲基,碳烷氧基和SO- 烷基,其中n为0,1或2,或萘基,喹啉基,异喹啉基,吡啶基,嘧啶基,噻吩基,呋喃基或吡啶基,未取代或被一个或多个选自烷基,烷氧基和卤素的取代基取代; 并且R3是直链或支链烃或被1或2个氧原子间断的所述烃通过使式R 1 R 2 -CH = C ANGLE COOR的α,β-不饱和羧酸酯反应制备,其中R是烷基,烯基 或炔基,并且R 1和R 2如上所定义,与式H 2 N AN CLE C-CH 2 COOR 3 HN的脒反应,其中R 3如上所定义。 这些化合物可用作冠状动脉剂和抗高血压剂。
摘要:
Cyanophenyl-1,4-dihydropyridine derivatives of the formula:
WHEREIN R is hydrogen, saturated or unsaturated, straight, branched or cyclic alkyl of one to six carbon atoms, unsubstituted or substituted by hydroxyl or alkoxy of one to three carbon atoms, or benzyl or phenethyl unsubstituted or substituted in the aryl moiety by 1, 2 or 3 members selected from the group consisting of 1 to 3 alkoxy moieties of one to three carbon atoms, 1 or 2 alkyl moieties of one to three carbon atoms and 1 or 2 halogen atoms, R'' is straight or branched chain alkyl of one to four carbon atoms, R'''' is straight, branched, cyclic, saturated or unsaturated alkyl of one to six carbon atoms, said alkyl interrupted by 1 or 2 oxygen atoms or said alkyl substituted by hydroxyl, and R'''''' is aryl substituted by cyano or by cyano and 1 to 9 members selected from the group consisting of cyano, nitro, amino, acylamino of one to two carbon atoms, hydroxyl, acyloxy of one to two carbon atoms, 1 or 2 alkyl moieties of one to four carbon atoms, 1 or 2 alkoxy moieties of one to four carbon atoms, and 1 or 2 halogen atoms, ARE USEFUL FOR THEIR CORONARY DILATING EFFECT AND ANTIHYPERTENSIVE EFFECTS. Processes for the production of these compounds are set forth below.
摘要:
Unsymmetrical esters of N-substituted 4-substituted-1,4dihydropyridine 3,5-dicarboxylic acid optionally substituted by lower alkyl groups in the 2- and 6-positions are cardio-vascular agents. The compounds, of which 1,2,6-trimethyl-4-(3''nitrophenyl)-1,4-dihydropyridine 3,5-dicarboxylic acid 3-methyl5-ethyl ester is a typical example, can be prepared (A) through condensation of an ylidene- Beta -ketocarboxylic acid ester, with a Beta -ketocarboxylic acid ester and an amine or salt thereof, or with an enamino carboxylic acid ester or (B) through condensation of an aldehyde, an enamino carboxylic acid ester and a Beta -ketocarboxylic acid ester.
摘要:
2-Amino-1,4-dihydropyridines bearing a carbonyl function in the 5-position and being optionally substituted by lower alkyl or phenyl in the 6-position, and the corresponding 2-amino1,4,5,6,7,8-hexahydro-5-oxoquinolines, which derivatives are further substituted by a carbonyl group in the 3-position and optionally substituted in the 4-position by lower alkyl, phenyl, substituted phenyl or a heterocylic group are antihypertensive agents and coronary vessel dilators. The compounds, of which 2amino-6-methyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5dicarboxylic acid 3,5-diethyl ester is a representative embodiment, are prepared through condensation of an ylideneacetoacetic acid ester and an amidine.
摘要:
6,7,7a,8,9,10-Hexahydro-1H,5H-benzo(i,j)quinolizines bearing a lower alkyl, phenyl, substituted phenyl or a heterocyclic group in the 1-position and a carbonyl function in the 2-position, and being optionally substituted by lower alkyl in the 3-position and by carbalkoxy in the 7a-position, are antihypertensive agents and coronary vessel dilators. The compounds of which 1-(3nitrophenyl)-3-methyl-10-oxo-6,7,7a,8,9,10-hexahydro-1H,5Hbenzo(i,j)quinolizine-2-carboxylic acid ethyl ester is a representative embodiment, are prepared through condensation of an ylideneacetoacetic acid ester and a 7-oxo-1,2,3,4,4a,5,6,7octahydroquinoline.
WHEREIN R1 and R2 are the same or different and each is hydrogen or straight- or branched-chain alkyl; R3 is straight- or branched-chain alkyl, phenyl or -COOR'' wherein R'' is a straight, branched or cyclic saturated or unsaturated aliphatic hydrocarbon; R4 is straight, branched or cyclic alkyl or alkenyl, aryl unsubstituted or substituted by 1, 2 or 3 of the same or different substituents selected from the group consisting of alkyl, alkoxy, halogen, nitro, cyano, trifluoromethyl, carbalkoxy, and -SOn alkyl wherein n is 0, 1 or 2, or R4 is naphthyl, quinolyl, pyridyl, thenyl or furyl unsubstituted or substituted by alkyl, alkoxy or halogen; R5 is straight, branched or cyclic alkyl or -OR'''' wherein R'''' is a straight, branched or cyclic hydrocarbon or said hydrocarbon interrupted by 1 or 2 oxygen atoms; and R6 is hydrogen or alkyl; ARE USEFUL FOR THEIR STRONG CORONARY ACTION AND AS ANTIHYPERTENSIVE AGENTS.
摘要:
2-Amino-4,5-dihydropyridines-3,5-dicarboxylates substituted by lower alkoxy or lower alkylthio in the 6-position and optionally substituted in the 4-position by lower alkyl, phenyl, substituted phenyl or a heterocyclic group are antihypertensive agents and coronary vessel dilators. The compounds, of which 2-amino-4-(3nitrophenyl)-6-ethoxy-4,5-dihydropyridine-3,5-dicarboxylic acid diethyl ester is a representative embodiment, are prepared through condensation of an aldehyde and a 3-aminoacrylate bearing an alkoxy or alkylthio group in the 3-position.
摘要:
1,4-Dihydropyridines bearing carboxy functions in the 3-, 5- and 6- or 2-, 3-, 5- and 6-positions and being substituted in the 4position by phenyl, substituted phenyl, naphthyl, phenylalkyl or a heterocyclic group are antihypertensive agents and coronary vessel dilators. The compounds, of which 2-methyl-4-(3nitrophenyl)-1,4-dihydropyridine-3,5,6-tricarboxylic acid triethylester is a representative embodiment, are prepared through condensation of an enamine with an ylidene acid ester, the latter being separately prepared or prepared in situ.