Preparation of epoxides

Details Preparation of epoxides Preparation of epoxides

1984-03-08

1986-02-04

Milestone, Norma S.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

260463, C07D30102

Patent

active

045687595

ABSTRACT:
This invention is a process for the preparation of an epoxide which comprises contacting a 2-haloalkyl or 2,3-dihaloalkyl carbonate, bis(2-haloalkyl- or 2,3-dihaloalkyl)carbonate, or 2-haloalkyl or 2,3-dihaloalkyl ester dissolved in a water-miscible alcohol with a sufficient amount of an aqueous solution of an alkali metal or alkaline earth metal hydroxide to provide at least one equivalent of alkali metal or alkaline earth metal hydroxide per equivalent of ester or carbonate, at a temperature of between about 0.degree. C. and 70.degree. C. under conditions such that an epoxide is prepared.

REFERENCES:
patent: 2022182 (1935-11-01), Britton et al.
patent: 2248635 (1941-07-01), Marple et al.
patent: 2756242 (1956-07-01), Riener
patent: 2860146 (1958-11-01), Furman et al.
patent: 3388078 (1968-06-01), Evans et al.
patent: 4261906 (1981-04-01), Renga et al.
CA 59:7491c; 64:1958g; 88:37242y; 92:110822b; 71:81124j; 59:12643e; 67:11425b; 70:68112p.
Carl R. Noller, Chemistry of Organic Compounds (1965) 3rd Ed., pp. 332-333.
A. Weissberger, Heterocyclic Compounds with Three- and Four-Membered Rings, Part One (1964) pp. 94-98.

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