申请人:Bristol-Myers Squibb Company
公开号:US04992439A1
公开(公告)日:1991-02-12
Heterocyclic acids andesters useful as inhibitors of mammalian blood platelet aggregation characterized by Formula I or II are disclosed. ##STR1## Formula I compounds are those wherein n is 6-9, R is hydrogen, lower alkyl or an alkali metal ion, and HET.sub.1 is the heterocyclic radical 1,6-dihydro-6-oxo-3,4-diphenyl-1-pyridazinyl. Formula II compounds are those wherein R.sub.1 is hydrogen, lower alkyl or an alkali metal ion, and the radical --OCH.sub.2 CO.sub.2 R is attached in the 3 or 4 ring position; and HET.sub.2 is the heterocyclic radical 1,6-dihydro-6-oxo-3,4-diphenyl-1-pyridazinyl.
本发明公开了一种用作哺乳动物血小板聚集抑制剂的杂环酸和酯,其特征为式I或II。其中,式I的化合物中,n为6-9,R为氢、低级烷基或碱金属离子,HET.sub.1为杂环基1,6-二氢-6-氧-3,4-二苯基-1-哒嗪基。式II的化合物中,R.sub.1为氢、低级烷基或碱金属离子,基团--OCH.sub.2 CO.sub.2 R附着在3或4环位置上,HET.sub.2为杂环基1,6-二氢-6-氧-3,4-二苯基-1-哒嗪基。