A phase-transfer catalytic (PTC) alkylation involving the reaction of alkyl bromide and dialkyl/diarylthiophosphinic acids in the presence of potassium carbonate and tetrabutylammonium bromide is described. The reaction proceeds by SN2 mechanism and gives exclusively S-alkylated products.
介绍了一种相转移催化(
PTC)烷基化反应,涉及烷基
溴和二烷基/二基
硫代
膦酸在
碳酸钾和
四丁基溴化铵存在下的反应。 该反应以 SN2 机制进行,生成的完全是 S-烷基化产物。