Facile synthesis of alkylthiophosphonium salts of tris (2, 6-dimethoxyphenyl) phosphine and their reactions with thiols.
M Wada, M Kanzaki, M Fujiwara, K Kajihara, T Erabi
Index: Wada, Masanori; Kanzaki, Mituyuki; Fujiwara, Masanobu; Kajihara, Kazuhisa; Erabi, Tatsuo Chemistry Letters, 1990 , # 6 p. 867 - 870
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Abstract
Tris (2, 6-dimethoxyphenyl) phosphine sulfide reacted with alkyl iodides or bromides under mild conditions to give stable alkylthiophosphonium salts, which reacted with thiols at room temperature in the presence of a catalytic amount of tris (2, 6-dimethoxyphenyl) phosphine to give the tertiary phosphonium salt and unsymmetrical disulfides.
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