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N-carbamoylmethyl-4-(R)-phenyl-2-pyrrolidinone, method of its preparation and pharmaceutical use
专利权人:
Joint Stock Company (JSC) “OLAINFARM”
发明人:
Grigory Veinberg,Maksim Vorona,Liga Zvejniece,Aleksandrs Chernobrovijs,Ivars Kalvinsh,Ligita Karina,Maija Dambrova
申请号:
US14688633
公开号:
US09382203B2
申请日:
2015.04.16
申请国别(地区):
US
年份:
2016
代理人:
摘要:
The invention relates to the R-enantiomer of N-carbamoylmethyl-4-phenyl-2-pyrrolidinone (R-Carphedon) of pharmacological value. The method of its preparation includes the N-alkylation of 4(R)-phenyl-2-pyrrolidinone with ethyl bromoacetate in the presence of a strong base and the treatment of intermediate N-ethoxycarbonylmethyl-4(R)-phenyl-2-pyrrolidinone with ammonia.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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