Preparation of alkylene carbonates from olefins

Details Preparation of alkylene carbonates from olefins Preparation of alkylene carbonates from olefins

C - Chemistry, Metallurgy

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260/352.8

C07D 317/36 (2006.01) C07C 29/03 (2006.01) C07C 29/64 (2006.01) C07C 29/66 (2006.01) C07C 45/35 (2006.01) C07D 301/02 (2006.01)

Patent

CA 1148553

PF 50-01-1594A PREPARATION OF ALKYLENE CARBONATES FROM OLEFINS Abstract of the Disclosure A process for the preparation of a cyclic alkylene carbonate ester which comprises reacting in a liquid phase a cyclic or linear olefin having from 2 to 15 carbon atoms with carbon dioxide at a temperature of from 50 to 160°C, at a total pressure of from 200 to about 2,000 psig and a pH value of between about 4 and 8, in the presence of oxygen or an oxygen-containing gas and a catalytic amount of a mixture of (a) iodine or an iodide of a metal selected from Groups IA, IB, IIA, IIB, VB, VIIB and VIII of the Periodic Table of Elements and (b) a catalytic iron compound, copper compound or mixture thereof deposited on an inert supporting material, and recovering resulting cyclic alkylene carbonate ester.

358639

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