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Synthesis 1989; 1989(1): 48-50
DOI: 10.1055/s-1989-27147
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Studies on Organophosphorus Compounds XXXIII. Chemoselective Phase-Transfer Catalytic S-Alkylation of Dialkyl/diarylthiophosphinic Acids; A New Facile Route to S-Alkyl Dialkyl/diarylthiophosphinates

Chengye Yuan* , Hanzhen Feng, Qiang Lin
  • *Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Linglin Lu, Shanghai 200032, People's Republic of China
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Publication Date:
27 September 2002 (online)

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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.

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