PROCESS FOR MAKING 1,4 DIHYDROPIRIDINE

Dihydropyridines of the formula:- and their pharmaceutically acceptable acid addition salts wherein Y is -(CH2)2-, -(CH2)3-, -CH2CH(CH3)- or -CH2C(CH3)2-; R is aryl or heteroaryl; R and R are each independently C1-C4 alkyl or 2-methoxyethyl; and R is hydrogen, C1-C4 alkyl, 2-(C1-C4 alkoxyl) ethyl, c...

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Bibliographische Detailangaben
Hauptverfasser: CAMPBELL S.F, STUBBS J.K, CROSS P.E
Format: Patent
Sprache:eng
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Zusammenfassung:Dihydropyridines of the formula:- and their pharmaceutically acceptable acid addition salts wherein Y is -(CH2)2-, -(CH2)3-, -CH2CH(CH3)- or -CH2C(CH3)2-; R is aryl or heteroaryl; R and R are each independently C1-C4 alkyl or 2-methoxyethyl; and R is hydrogen, C1-C4 alkyl, 2-(C1-C4 alkoxyl) ethyl, cyclopropylmethyl, benzyl, or -(CH2)mCOR where m is 1, 2 or 3 and R is hydroxy, C1-C4 alkoxy or - NR5 where R and R are each independently hydrogen or C1-C4 alkyl, pharmaceutical compositions containing them, and processes for their production. The compounds are particularly useful in the treatment or prevention of a variety of cardiac conditions, e.g, angina pectoris.