发明名称 |
Resolution of the (+)2,2-dimethyl-3-(2,2-disubstitutedvinyl)-cyclopropane-1-carboxylic acids from its optical Isomers |
摘要 |
<p>A process for resolving (+)-cis-2,2-dimethyl-3-(2,2-dihalogenovinyl)-cyclopropane-1-carboxylic acids of formula (I), in which X=Fluorine, chlorine or bromine, from a mixture of cis(Œ) or cis(Œ) and trans(Œ) using the salt of the optically active base L-Ephedrine at temperatures ranging between 10-80‹C.</p> |
申请公布号 |
GB2330579(B) |
申请公布日期 |
1999.09.08 |
申请号 |
GB19980009332 |
申请日期 |
1998.04.30 |
申请人 |
* GHARDA CHEMICALS LIMITED |
发明人 |
D.S * RANE;R V * DATAR;P D * JOSHI;J R * MALWANKAR;TITIRMARE * SHYAM |
分类号 |
A01N53/00;A01N53/02;C07C51/487;(IPC1-7):C07C61/40 |
主分类号 |
A01N53/00 |
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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