申请人:Dixit Girish
公开号:US20100278878A1
公开(公告)日:2010-11-04
The present invention relates to novel and stable salt forms of quetiapine, processes for preparation, pharmaceutical compositions, and method of treating thereof. More particularly, the present invention provides novel acid addition salts of quetiapine wherein the acid counter ion is provided by an acid selected from the group consisting of benzene sulfonic acid, dibenzoyl-L-(+)-tartaric acid and di-p-toluoyl-L-(+)-tartaric acid. The present invention also provides novel polymorphic forms of quetiapine salts selected from the group consisting of quetiapine hydrobromide, quetiapine sulfate, quetiapine nitrate and quetiapine citrate.
本发明涉及quetiapine的新型和稳定盐形式、制备方法、制药组合物以及其治疗方法。更具体地,本发明提供了quetiapine的新型酸加成盐,其中酸对离子由苯磺酸、二苯乙酰-L-(+)-酒石酸和二-p-甲苯酰-L-(+)-酒石酸中的一种提供。本发明还提供了quetiapine盐的新型多形式,所述多形式选自quetiapine羟溴酸盐、quetiapine硫酸盐、quetiapine硝酸盐和quetiapine柠檬酸盐。