| 发明名称 |
1S TO 1R EPIMERIZATIONS OF PYRETHROID INTERMEDIATES |
| 摘要 |
This invention relates to a process for preparing certain isomers of 2,2-dimethyl-3-(2,2-disubstituted vinyl)cyclopropanecarboxylic acid or derivatives thereof. More specifically it relates to the epimerization of the 1S cyclopropanecarboxylic acid and its derivatives into the corresponding 1R isomers.
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| 申请公布号 |
WO9816487(A1) |
申请公布日期 |
1998.04.23 |
| 申请号 |
WO1997US18442 |
申请日期 |
1997.10.16 |
| 申请人 |
FMC CORPORATION;MONTGOMERY, RONALD, E.;SMELTZ, LELEND |
发明人 |
MONTGOMERY, RONALD, E.;SMELTZ, LELEND |
| 分类号 |
C07C51/62;C07C67/333;(IPC1-7):C07B55/00;C07C51/58;C07C53/00;C07C55/00;C07C61/04 |
主分类号 |
C07C51/62 |
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