发明名称 |
Process for the preparation of acebrophylline |
摘要 |
The present invention relates to an improved process for preparing Acebrophylline comprising preparing a reaction mixture of theophylline-7-acetate and ambroxol base in a non-polar solvent; heating said reaction mixture at a suitable temperature; and isolating Acebrophylline by filtration. The yield of Acebrophylline is between 95-98% with a purity of 99%. |
申请公布号 |
US9133196(B2) |
申请公布日期 |
2015.09.15 |
申请号 |
US201314352168 |
申请日期 |
2013.02.07 |
申请人 |
AMI LIFESCIENCES PVT. LTD. |
发明人 |
Patel Kalpesh Ravajibhai;Thakrar Virendra Haridasbhai;Dodiya Dipti Kishorbhai;Solanki Sharad Kanabhai;Shah Kinchit Jitendrakumar |
分类号 |
C07D473/08;C07C213/08 |
主分类号 |
C07D473/08 |
代理机构 |
Nixon & Vanderhye P.C. |
代理人 |
Nixon & Vanderhye P.C. |
主权项 |
1. A process for preparing Acebrophylline comprising:
(a) preparing a reaction mixture of theophylline-7-acetic acid and ambroxol base in non-polar solvent; (b) heating said reaction mixture at a suitable temperature; and (c) isolating Acebrophylline by filtration. |
地址 |
Gujarat, Baroda IN |