Carboxylic acid amides of general formula
1
having an antithrombotic activity and a factor Xa-inhibiting activity. Exemplary are:
(a) N-[1-(3-amidino-phenyl)-2-(1H-tetrazol-5-yl)-ethyl]-4-(2,5-dihydro-pyrrol-1-yl-carbonyl)-3 -methyl-benzamide,
(b) N-[1-(3-amidino-phenyl)-2-(1H-tetrazol-5-yl)-ethyl]-3-methyl-4-(pyrrolidin-1-yl-carbonyl)-benzamide,
(c) N-[1-(5-amidino-2-hydroxy-phenyl)-2-phenyl-ethyl]-3-methyl-4-(pyrrolidin-1-yl-carbonyl)-benzamide, and
(d) N-[1-(5-amidino-2-hydroxy-phenyl)-2-(pyridin-3-yl)-ethyl]-3-methyl-4-(pyrrolidin-1-yl-carbonyl)-benzamide,
通式1的
羧酸酰胺具有抗血栓和因子Xa抑制活性。例如:(a) N-[1-(3-
氨基苯基)-2-(
1H-四唑-5-基)-乙基]-4-(2,5-二氢-
吡咯-1-基-羰基)-3-甲基苯甲酰胺,(b) N-[1-(3-
氨基苯基)-2-(
1H-四唑-5-基)-乙基]-3-甲基-4-(
吡咯烷-1-基-羰基)苯甲酰胺,(c) N-[1-(5-
氨基-2-羟基苯基)-2-苯基乙基]-3-甲基-4-(
吡咯烷-1-基-羰基)苯甲酰胺,和(d) N-[1-(5-
氨基-2-羟基苯基)-2-(
吡啶-3-基)-乙基]-3-甲基-4-(
吡咯烷-1-基-羰基)苯甲酰胺。