申请人:Emmennar Pharma Private Limited
公开号:US20180346502A1
公开(公告)日:2018-12-06
The present invention relates to novel, improved processes for the preparation of sodium glucose co-transporter 2 (SGLT-2) inhibitors and novel intermediates thereof. More particularly, the present invention relates to a novel, improved process for the preparation of gliflozin compounds such as empagliflozin and dapagliflozin, intermediates thereof. The product obtained from the processes of present invention may be amorphous or crystalline, or in the form of amorphous/crystalline solid dispersions/solutions with pharmaceutically acceptable polymers and preparation process thereof. Also, the products obtained from the present invention may be used for the preparation of medicaments for the prevention and/or treatment of diseases and conditions associated with SGLT-2 inhibition.
本发明涉及一种新颖的、改进的制备葡萄糖钠共转运蛋白2(SGLT-2)抑制剂及其新颖中间体的方法。更具体地说,本发明涉及一种新颖的、改进的用于制备格列列醇类化合物如恩帕格列醇和达帕格列醇及其中间体的方法。本发明的方法得到的产品可能是非晶态或结晶态,或者以非晶态/结晶态固体分散体/溶液的形式与药用可接受聚合物一起制备。此外,本发明得到的产品可用于制备用于预防和/或治疗与SGLT-2抑制相关的疾病和症状的药物。