Method to prepare trimethylsulfonium halides

Details Method to prepare trimethylsulfonium halides Method to prepare trimethylsulfonium halides

1990-11-16

1992-06-02

Lee, Mary C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfur halides

C07C 5302

Patent

active

051188422

ABSTRACT:
Trimethylsulfonium halides are made by reacting dimethyl sulfide and a methyl halide in the presence of a solvent mixture which includes water and a water-immiscible organic solvent. The organic water-immiscible solvent is generally present in an amount which is at least 40% but no more than 95% of the total solvent mixture. The reaction is preferably conducted under pressure.

REFERENCES:
patent: 3101265 (1963-08-01), Smutny et al.
patent: 4619961 (1986-10-01), Sutker et al.
patent: 4743403 (1988-05-01), Nagubandi
Andreas Merz et al., Angew. Chem. Internat. Edition, vol. 12, pp. 845-846, 1973, Phase-transfer-catalyzed Production of Sulfur Ylides.
Melvin J. Hatch, Journal of Organic Chem., vol. 34, pp. 2133-2137, 1969, The Synthesis of Oxirances From Aqueous Solutions.
Yasuichiro Shiraki et al., The Chemical Society of Japan, 1985, pp. 3041-3042, Anion-catalyzed Phase-transfer.

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