申请人:Synthelabo
公开号:US05712393A1
公开(公告)日:1998-01-27
The present invention provides a compound of formula (1) ##STR1## in which: R.sub.4 represents a hydrogen atom, a halogen atom or a nitro group; R.sub.6 represents a hydrogen atom or a straight or branched (C.sub.1 -C.sub.6) alkyl group; R.sub.7 represents a chlorine atom or a hydroxyl group; and Z represents: a phenyl group optionally substituted with one or more halogen atoms, straight or branched (C.sub.1 -C.sub.4)alkyl groups, straight or branched (C.sub.1 -C.sub.4)alkoxy groups, or trifluoromethyl, formyl, --CH.sub.2 OR, --CH.sub.2 OCOR, --CH.sub.2 CONRR', --CH.sub.2 ONCOR, --COOR, nitro, --NHR, --NRR' or --NHCOR groups, wherein R and R' are each, independently, a hydrogen atom or a (C.sub.1 -C.sub.7) alkyl group; a heterocyclic group optionally substituted as defined above for phenyl; or a cyclo(C.sub.5 -C.sub.8)alkyl group; additionally, when R.sub.7 represents chlorine, Z can represent iodine; in the free form or in the form of a salt with an alkali metal or tertiary amine, processes for their preparation and their use as synthetic intermediates.
本发明提供了一个化合物的结构式 (1) ##STR1## 在其中:R.sub.4 代表氢原子、卤原子或硝基基团;R.sub.6 代表氢原子或直链或支链 (C.sub.1 -C.sub.6) 烷基基团;R.sub.7 代表氯原子或羟基基团;Z 代表:一个苯基团,可选择地取代一个或多个卤原子、直链或支链 (C.sub.1 -C.sub.4) 烷基基团、直链或支链 (C.sub.1 -C.sub.4) 烷氧基团,或三氟甲基、甲酰基、--CH.sub.2 OR、--CH.sub.2 OCOR、--CH.sub.2 CONRR'、--CH.sub.2 ONCOR、--COOR、硝基、--NHR、--NRR' 或 --NHCOR 基团,其中 R 和 R' 分别独立地是氢原子或 (C.sub.1 -C.sub.7) 烷基基团;一个杂环基团,可选择地如上所定义地取代为苯基;或一个环(C.sub.5 -C.sub.8) 烷基基团;此外,当 R.sub.7 代表氯时,Z 可以代表碘;以游离形式或与碱金属或三级胺形成盐的形式存在,以及它们的制备方法及其用作合成中间体。