In a process for the production of halohydrocarbyl phosphonic acid diesters via a Michaelis-Arbuzov type reaction which results in high conversion and selectivity of product with ease of purification; the improvement comprises reacting hydrocarbyl halide with trihdydrocarbyl phosphite in a molar ratio of about 6:1 and in the presence of an effective amount of a polarity lowering additive.

 
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< Organic colloidal dispersion of iron particles, method for preparing same and use thereof as fuel additive for internal combustion engines

> Stereoselective preparation of cyclic L-amino acids

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