发明授权
US5554780A Process for the preparation of 1-(3-trialkylsilylphenyl)-2,2,2-trifluoromethyl ethanone derivatives 失效
1-(3-三烷基甲硅烷基苯基)-2,2,2-三氟甲基乙酮衍生物的制备方法

Process for the preparation of
1-(3-trialkylsilylphenyl)-2,2,2-trifluoromethyl ethanone derivatives
摘要:
The present invention relates to a novel process for preparing 1-(3-trialkylsilylphenyl)-2,2,2-trifluoromethyl ethanones which are useful for the treatment of Alzheimer's disease and senile dementia as disclosed by Schirlin, et al. in European Patent Application Publication No. 0 409 676, published Jan. 23, 1991.
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