Fenvalerate → (alphaS)-4-Chloro-alpha-(1-methylethyl)benzeneacetic acid

참여 물질

반응 단계

The optical purity of the acid moiety of fenvalerate A was determined as follows: Fenvalerate A was hydrogenated in ethanol using platinum oxide as a catalyst to obtain (S)-2-(4-chlorophenyl)isovaleric acid which was then converted to an acid chloride using thionyl chloride. The acid chloride was converted to the l-menthol ester with l-menthol. The ratio between the two resulting diastereomers was determined by gas chromatography, and the optical purity of the acid moiety was calculated.

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