申请人:Pfizer Inc.
公开号:US04892881A1
公开(公告)日:1990-01-09
1,4-Dihydropyridine anti-ischaemic and antihypertensive agent of the formula: ##STR1## or a pharmaceutically acceptable salt thereof, wherein R is 2-chlorophenyl, 2,3-dichlorophenyl or 2-chloro-3-trifluoromethylphenyl; R.sup.1 and R.sup.2 are each independently C.sub.1 -C.sub.4 alkyl; X is O or S; R.sup.3 is H or C.sub.1 -C.sub.4 alkyl; and R.sup.4 is 1,2,4-triazol-1-ylmethyl, imidazol-1-ylmethyl, azidomethyl, 2,4,5-trimethylimidazol-1-ylmethyl, 3,4-dihydro-4-oxopyrimidin-2-ylthiomethyl, pyrimidin-2-ylthiomethyl; pyrimidin-2-ylaminomethyl, 3,4-dihydro-4-oxopyrimidin-2-ylaminomethyl, 2-aminopyrimidin-4-yloxymethyl, methoxymethyl, 2-furyl, 2-pyridylmethyl, imidazol-2-yl, hydroxymethyl, aminomethyl, 1,2,4-triazol-4-ylmethyl or 2-hydroxyethyl, and intermediates leading thereto.
1,4-二氢吡啶抗缺血和降压剂的化学式为:##STR1##或其药学上可接受的盐,其中R为2-氯苯基,2,3-二氯苯基或2-氯-3-三氟甲基苯基;R.sup.1和R.sup.2各自独立地为C.sub.1-C.sub.4烷基;X为O或S;R.sup.3为H或C.sub.1-C.sub.4烷基;R.sup.4为1,2,4-三唑-1-基甲基,咪唑-1-基甲基,偶氮基甲基,2,4,5-三甲基咪唑-1-基甲基,3,4-二氢-4-氧代嘧啶-2-基硫甲基,嘧啶-2-基硫甲基;嘧啶-2-基氨甲基,3,4-二氢-4-氧代嘧啶-2-基氨甲基,2-氨基嘧啶-4-氧甲基,甲氧甲基,2-呋喃基,2-吡啶基甲基,咪唑-2-基,羟甲基,氨基甲基,1,2,4-三唑-4-基甲基或2-羟乙基,以及导致这些中间体的。