Studies on Organophosphorous Compounds XXXIII. Chemoselective Phase-Transfer Catalytic S-Alkylation of Dialkyl/diarylthiophosphinic Acids; A New Facile Route to S-Alkyl Dialkyl/diarylthiophosphinates

Article abstract of DOI:10.1055/s-1989-27147

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 S_N2 mechanism