Process for the preparation of oxiranes

Details Process for the preparation of oxiranes Process for the preparation of oxiranes

1988-04-22

1990-05-29

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549519, 549551, 549554, C07D30104, C07D40506

Patent

active

049297350

ABSTRACT:
A process for the preparation of an oxirane of the formula ##STR1## in which X is 4-chlorobenzyl, 4-phenylphenoxy or 1H-(1,2,4)-triazolyl,
comprising reacting dimethyl sulphate with an excess of dimethyl sulphide thereby to form trimethylsulphonium methyl-sulphate of the formula

REFERENCES:
patent: 4162258 (1979-07-01), Higo et al.
patent: 4499281 (1985-02-01), Holmwood et al.
patent: 4532341 (1985-07-01), Holmwood et al.
patent: 4626595 (1986-12-01), Holmwood et al.
patent: 4632999 (1986-11-01), Zerbes et al.
Chemical Abstracts, vol. 102, 149006P No. 17, Apr. 29, 1985.
Chemical Abstracts, vol 96, 103999U No. 13, Mar. 29, 1982.
Chemical Abstracts, vol. 82, 30900d No. 5, Feb. 3, 1975.
Mosset et al., "Trimethylsulfonium, etc." CA 104:68688b (1986).
Kutsuma et al., "A Convenient Method, etc." Heterocycles 8, 1977, 397-401.

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