Toluene → HCID 178502922, 화합물

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To a suitable vessel equipped with a stirring means, a temperature measuring means and a material addition means was charged 11 parts dimethylphenylphosphonite, 2.5 parts methyl iodide and 9 parts toluene. The resultant solution was slowly heated. The reaction is exothermic and the temperature increases to about 110° C., the reaction mixture is maintained at a temperature of about 100°-120° C., and an additional 185 parts dimethylphenylphosphonite slowly added. Additional amounts of methyl iodide, in about 1 part increments, are occasionally added during the phosphonite addition. The reaction mixture was maintained at about 110° C. for an additional hour following the addition of components. The reaction mixture was then distilled collecting the portion boiling at 148°-149° C./17 mm. (96 percent yield of methyl phenylmethylphosphinate). [Harwood and Grisley J. Am. Chem. Soc., 82, 423 (1960)]. ##STR3##

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