PROCESS FOR PREPARING VARENICLINE, VARENICLINE INTERMEDIATES, AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF
申请人:Dixit Girish
公开号:US20110224437A1
公开(公告)日:2011-09-15
Provided herein is an improved, convenient, commercially viable and environmentally friendly process for the preparation of varenicline or a pharmaceutically acceptable salt thereof comprising reacting 1-(4,5-diamino-10-aza-tricyclo[6.3.1.0
2.7
]dodeca-2(7),3,5-trien-10-yl)-2,2,2-trifluoro-ethanone with chloroacetaldehyde in the presence of an oxygen source. Provided further herein is an improved and industrially advantageous process for the preparation of 1-(4,5-diamino-10-aza-tricyclo[6.3.1.0
2.7
]dodeca-2(7),3,5-trien-10-yl)-2,2,2-trifluoro-ethanone.
本文提供了一种改进的、方便的、商业可行的和环保的制备瓦伦尼克林或其药学上可接受的盐的方法,包括在氧源的存在下将1-(4,5-二氨基-10-氮杂-三环[6.3.1.02.7]十二烷-2(7),3,5-三烯-10-基)-2,2,2-三氟乙酮与氯乙醛反应。此外,本文还提供了一种改进的、在工业上具有优势的制备1-(4,5-二氨基-10-氮杂-三环[6.3.1.02.7]十二烷-2(7),3,5-三烯-10-基)-2,2,2-三氟乙酮的方法。