4-aryl-3,5-bis(alkoxycarbonyl)-6-methyl -2-aminoalkyloxymethyl-1,4-dihydropyridine antihypertensive agents

US4590195A · kind A · utility

Assignee

• PFIZER INC. · US

Inventors

• David Alker · Birchington, GB
• Peter E. Cross · Canterbury, GB
• Simon F. Campbell · Deal, GB

Key dates

• Filing date: Mar 5, 1984
• Grant date: May 20, 1986
• Expiry date: Mar 5, 2004

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D417/12
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

1,4-Dihydropyridine derivatives of the formula: ##STR1## wherein R is aryl or heteroaryl; R.sup.1 and R.sup.2 are each C.sub.1 -C.sub.4 alkyl or 2-methoxyethyl; n is 2, 3 or 4; R.sup.3 is H, C.sub.1 -C.sub.4 alkyl, CH.sub.2 CO.sub.2 (C.sub.1 -C.sub.4 alkyl) or CH.sub.2 CN; and R.sup.4 is a group of the formula COR.sup.5, CSR.sup.5, C(.dbd.NR.sup.6)R.sup.7 or SO.sub.2 R.sup.5, wherein R.sup.5 is C.sub.1 -C.sub.4 alkyl, NH.sub.2, NH(C.sub.1 -C.sub.4 alkyl), NH(C.sub.3 -C.sub.6 cycloalkyl), N(C.sub.1 -C.sub.4 alkyl).sub.2, NHCH.sub.2 CO.sub.2 (C.sub.1 -C.sub.4 alkyl), NHCH.sub.2 CONH.sub.2, NHCH.sub.2 CO.sub.2 H, NH(CH.sub.2).sub.2 NH.sub.2, NHNH.sub.2, NHNRCO.sub.2 (C.sub.1 -C.sub.4 alkyl), NH-aryl, NHCO-aryl or a heterocyclic, NH-heterocyclic or NHCO-heterocyclic group, or when R.sup.4 is C(.dbd.O)R.sup.5, R.sup.5 may be H or CF.sub.3 ; R.sup.6 is H, CN, CO.sub.2 (C.sub.1 -C.sub.4 alkyl), CO(C.sub.1 -C.sub.4 alkyl), SO.sub.2 (C.sub.1 -C.sub.4 alkyl), SO.sub.2 -aryl, SO.sub.2 NH.sub.2, SO.sub.2 N(C.sub.1 -C.sub.4 alkyl).sub.2, NO.sub.2 or aryl; and R.sup.7 is NH.sub.2, NH(C.sub.1 -C.sub.4 alkyl), NHCO(C.sub.1 -C.sub.4 alkyl), NH(CH.sub.2).sub.m N(C.sub.1 -C.sub.4 alkyl).sub.2 wherein…