| 发明名称 |
Trifluoromethylbenzyl containing quaternary salts |
| 摘要 |
A process is disclosed for obtaining manipulated proportions of the (+) and (-) enantiomers of [(6,7-dichloro-2,3-dihydro-2-methyl-1-oxo-2-phenyl-1H-inden-5-yl)oxy]a cetic acid by asymmetric chiral phase transfer catalysis.
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| 申请公布号 |
US5093498(A) |
申请公布日期 |
1992.03.03 |
| 申请号 |
US19910724415 |
申请日期 |
1991.06.28 |
| 申请人 |
MERCK & CO., INC. |
发明人 |
DOLLING, ULF H.;PINES, SEEMON H.;GRABOWSKI, EDWARD J. J. |
| 分类号 |
B01J31/02;C07C45/67;C07C45/68;C07C51/087;C07C51/347;C07C59/90 |
主分类号 |
B01J31/02 |
| 代理机构 |
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| 主权项 |
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