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