发明名称 |
PROCESSES FOR THE PRODUCTION OF 13-ETHER DERIVATIVES OF MILBEMYCINS, AND INTERMEDIATES THEREFOR |
摘要 |
<p>An intermediate useful in the synthesis of milbemycin derivatives having an ether bond at the 13-position and which is represented by the general formula (IIId) : <CHEM> wherein R represents a methyl group, an ethyl group, an isopropyl group or a sec-butyl group, and R<5> and R<6'> each individually represents a hydrogen atom or a protecting group, and related precursors as well as to a process for producing these intermediates.</p> |
申请公布号 |
HK1010371(A1) |
申请公布日期 |
2003.05.02 |
申请号 |
HK19980111026 |
申请日期 |
1998.09.28 |
申请人 |
SANKYO COMPANY LIMITED |
发明人 |
SHIBANO, MITSUGI;SUZUKI, MUTSUO;KOJIMA, SHUNSHI |
分类号 |
A61K31/695;A61P33/00;A61P33/10;C07D493/22;C07F7/18;C07H19/01;(IPC1-7):C07D;C07H |
主分类号 |
A61K31/695 |
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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