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US4539420A Optically active 1-aromatic-group-substituted-1-alkanones and methods for their manufacture 失效
光学活性的1-芳族 - 取代的 - 1-烷基酮及其制备方法

Optically active 1-aromatic-group-substituted-1-alkanones and methods
for their manufacture
摘要:
A manufacturing method is described for the preparation of optically active 1-aromatic-group-substituted-1-alkanones characterized in that an optically active alkane acid halide is allowed to react with an aromatic compound in the presence of a Lewis acid. The optically active 1-aromatic-group-substituted-1-alkanones are useful intermediates in the preparation of optically active alpha-arylalkanoic acids, which are useful as pharmaceutical, e.g. anti-inflammatory, analgesic and anti-pyretic, agents and as insecticidal agents.
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