发明名称 |
A PROCESS FOR PREPARING 1-(3-TRIALKYLSILYLPHENYL)-2,2,2-TRIFLUOROMETHYL ETHANONE DERIVATIVES |
摘要 |
The present invention relates to a novel process for the preparation of 1-(3-trialkylsilylphenyl)-2,2,2-trifluoromethyl ethanones from 1-halo-3-trialkylsilanyl-benzenes. 1-(3-trialkylsilylphenyl)-2,2,2-trifluoromethyl ethanones are useful for the treatment of Alzheimer's disease and senile dementia. In addition, the present invention relates to a novel process for purifying 1-(3-trialkylsilylphenyl)-2,2,2-trifluoromethyl ethanones utilizing a novel extraction method.
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申请公布号 |
CA2224598(A1) |
申请公布日期 |
1997.01.09 |
申请号 |
CA19962224598 |
申请日期 |
1996.06.06 |
申请人 |
HOECHST MARION ROUSSEL, INC.;HOECHST MARION ROUSSEL, INC. |
发明人 |
GANDOLFI, ROBERTO (DECEASED);KLIPA, DENNIS K.;FETNER, NEAL J. |
分类号 |
C07F7/12;C07F7/08;(IPC1-7):C07F7/08 |
主分类号 |
C07F7/12 |
代理机构 |
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主权项 |
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地址 |
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