发明名称 |
Crystal of spiroketal derivatives and process for preparation of spiroketal derivatives |
摘要 |
The present invention provides a process for preparing a spiroketal derivative, via an intermediate represented by Formula (VI): wherein variable groups and numbers are as defined in the specification, which can be produced from dihalobenzene derivatives in one pot reaction.
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申请公布号 |
US8569520(B2) |
申请公布日期 |
2013.10.29 |
申请号 |
US200913000208 |
申请日期 |
2009.06.19 |
申请人 |
MURAKATA MASATOSHI;IKEDA TAKUMA;KIMURA NOBUAKI;KAWASE AKIRA;NAGASE MASAHIRO;YAMAMOTO KEISUKE;CHUGAI SEIYAKU KABUSHIKI KAISHA |
发明人 |
MURAKATA MASATOSHI;IKEDA TAKUMA;KIMURA NOBUAKI;KAWASE AKIRA;NAGASE MASAHIRO;YAMAMOTO KEISUKE |
分类号 |
C07D313/00;C07D315/00 |
主分类号 |
C07D313/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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