申请人:Richter Gedeon Vegyeszeti Gyar Rt.
公开号:US04456607A1
公开(公告)日:1984-06-26
New salts of the formula XIIIa and XIIIb are disclosed ##STR1## wherein R.sup.2, R.sup.3 and R.sup.5 are each C.sub.1 to C.sub.6 alkyl and A.sup.- is an anion of a pharmaceutically acceptable acid. Furthermore new compounds of the formula XIVa and XIVb are disclosed: ##STR2## wherein R.sup.2 and R.sup.3 are as defined above. The new salts and compounds are intermediates in the preparation of 10-bromo-vincaminic acid esters. In addition the new salts and compounds have the ability to increase blood circulation and to decrease blood flow resistance in an animal subject while at the same time maintaining a steady pulse rate and blood pressure.
公开了式子XIIIa和XIIIb的新盐:##STR1## 其中R.sup.2、R.sup.3和R.sup.5均为C.sub.1到C.sub.6烷基,A.sup.-是药用酸的阴离子。此外,还公开了式子XIVa和XIVb的新化合物:##STR2## 其中R.sup.2和R.sup.3如上所定义。新的盐和化合物是制备10-溴-维卡明酸酯的中间体。此外,新的盐和化合物具有增加动物主体的血液循环和降低血流阻力的能力,同时保持稳定的脉搏和血压。