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Methods of producing substituted (3S,11aR)-6-hydroxy-3-methyl-5,7-dioxo-2,3,5,7,11,11a-Hexahydrooxazolo[3,2-a]pyrido[1,2-d]pyrazine-8-carboxamides
专利权人:
Shionogi & Co.; Ltd.
发明人:
Yukihito Sumino,Moriyasu Masui,Daisuke Yamada,Fumiya Ikarashi,Kazuya Okamoto
申请号：
US15072388
公开号：
US09650394B2
申请日:
2016.03.17
申请国别(地区):
US
年份:
2017
代理人:
摘要：
A process for preparing a compound represented by formula (Y1) or (Y2)wherein Rx is an optionally substituted carbocyclyl lower alkyl, or the like or a salt thereof, using a novel process for preparing a pyridone derivative represented by formula (X4) wherein R1d, R2d, and R4d are as defined herein.
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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