Process for the preparation of oxiranes

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

1985-09-03

1990-02-06

Hollrah, Glennon H.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30102

Patent

active

048989541

ABSTRACT:
A process for the preparation of oxiranes is disclosed in which trimethylsulphonium methyl sulphate, formed by treating dimethyl sulphide with dimethyl sulphate in the presence of tert.-butanol, is reacted, without previous isolation, with a ketone in the presence of a base and in the presence of tert.-butanol. The resultant oxiranes are useful in the preparation of plant growth regulants and fungicides.

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C. R johnson et al., J.A.C.S., vol. 95(22), (1973), pp. 7424-7431.
T. Kutsuma et al., Heterocycles, vol. 8, (1977), pp. 397-401.
Fieser & Fieser, Reagents for Organic Synthesis, vol. 5, (1975), pp. 549-550.
Fieser & Fieser, Reagents for Organic Synthesis, vol. 1, (1967), pp. 911-914.

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