Process for the preparation of 2-oxo-1,3-dioxolanes

Details Process for the preparation of 2-oxo-1,3-dioxolanes Process for the preparation of 2-oxo-1,3-dioxolanes

1987-01-08

1989-05-30

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549230, C07D31708, C07D40700

Patent

active

048352896

ABSTRACT:
A process for the preparation of 2-oxo-1,3-dioxolanes by reaction of epoxides with carbon dioxide in the presence of alkali iodides wherein at least one epoxy compound is reacted in the presence or absence of inert solvent either with a combination of A) at least one alkali iodide and B) at least one compound of the group a) polyol and b) an ether or polyether or, if the epoxy compound already has the structural features of the compounds Ba) and Bb), with the alkali iodide A) alone, at temperatures from 40.degree. to 180.degree. C. while introducing carbon dioxide at normal pressure or at slightly increased pressure, to form the corresponding organic carbonates. The 2-oxo-1,3-dioxolanes obtained are used for the preparation of synthetic resins, containing urethane groups, in the form of coatings of molded bodies.

REFERENCES:
English translation of published Japanese patent application No. 55-103592.
G. Rokicki et al., Monatshefte fur Chemie, vol. 115 (1984), pp. 205-214.
G. Rokicki, Makromol. Chem., vol. 186 (1985), pp. 331-337.
L. Toke et al., Acta Chimica Academiae Scientiarum Hungaricae, vol. 101(1-2) (1979), pp. 47-51.
English translation of Russian Patent No. SU 1,126,569 (11-30-84).

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