Yoshinori Tamura,Kouichi Noguchi,Masanao Inagaki,Kenji Morimoto,Nobuhiro Haga,Shinichi Oda
申请号：
US15261836
公开号：
US09902732B2
申请日:
2016.09.09
申请国别(地区):
US
年份:
2018
代理人:
摘要：
Stable crystalline forms of a compound represented by the formula (IA):an acid addition salt, and/or a solvate thereof are provided by the present invention. Said crystalline forms are extremely useful as materials for preparing medicines. Novel processes for preparing 6,7-unsaturated-7-carbamoyl morphinan derivatives are also provided by the present invention.
