申请人:Merz & Company
公开号:US04370330A1
公开(公告)日:1983-01-25
Novel N-(trimethoxybenzyl)-piperazines of the formula: ##STR1## wherein A= ##STR2## wherein R is trifluoromethyl, hydroxy, nitro, halogen, lower-alkyl, or lower-alkoxy; R' is hydrogen, trifluoromethyl, halogen, lower-alkyl, or lower-alkoxy; R" is hydrogen or lower-alkoxy, or wherein R and either R' or R" together stand for lower-alkylene dioxy, and acid addition salts thereof, a method of preparing same, pharmaceutical compositions thereof, and a method of enhancing circulation, especially cerebrovascular circulation, therewith, are disclosed.
本发明涉及一种化合物,即式中的 Novel N-(trimethoxybenzyl)-piperazines: ##STR1## 其中A= ##STR2## 其中R为三氟甲基,羟基,硝基,卤素,低碳基或低碳氧基;R'为氢,三氟甲基,卤素,低碳基或低碳氧基;R"为氢或低碳氧基,或其中R和R'或R"中的任意一种代表低碳亚基二氧基,以及它们的酸加成盐,本发明还涉及制备该化合物的方法,以及使用该化合物制备的药物组合物和增强循环,特别是脑血管循环的方法。