申请人:BASF Aktiengesellschaft
公开号:US04544562A1
公开(公告)日:1985-10-01
6-Aryl-4,5-dihydro-3(2H)-pyridazinones of the formula ##STR1## where R is hydrogen, R.sup.1 is hydrogen or C.sub.1 -C.sub.3 -alkyl, or R and R.sup.1 together are methylene, R.sup.2 and R.sup.3 are identical or different and are each hydrogen or C.sub.1 -C.sub.6 -alkyl, and A is hydroxyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.2 -C.sub.7 -acyloxy, a C.sub.2 -C.sub.7 -carbamic acid ester group, C.sub.1 -C.sub.6 -alkylsulfonyloxy, C.sub.1 -C.sub.6 -alkylmercapto, carboxyl, C.sub.2 -C.sub.7 -alkoxycarbonyl or nitrile, and their preparation are described. The substances are suitable for treating disorders.
6-芳基-4,5-二氢-3(2H)-吡啶并嗪酮的化学式如下:##STR1##其中R为氢,R.sup.1为氢或C.sub.1-C.sub.3-烷基,或者R和R.sup.1一起为亚甲基,R.sup.2和R.sup.3相同或不同,分别为氢或C.sub.1-C.sub.6-烷基,A为羟基,C.sub.1-C.sub.6-烷氧基,C.sub.2-C.sub.7-酰氧基,C.sub.2-C.sub.7-氨基甲酸酯基团,C.sub.1-C.sub.6-烷基磺酰氧基,C.sub.1-C.sub.6-烷基硫氧基,羧基,C.sub.2-C.sub.7-烷氧羰基或腈基。描述了这些物质的制备方法。这些物质适用于治疗疾病。