Sharma Ashwani,Madhav Hire Chandrabhan,Rohit Chaturvedi,Rajan Gupte
申请号:
US13578918
公开号:
US20120309767A1
申请日:
2011.02.15
申请国别(地区):
US
年份:
2012
代理人:
摘要:
The present invention provides an improved process for the preparation of alpha form of imatinib mesylate with (long needle) and α-crystal form (small needle) in a consistent manner and novel alpha crystal forms of imatinib mesylate. The present invention in particular provides a reproducible and efficient process. In particular the present invention provides a efficient process which gives higher yields and consistent results.