Catalytic procedure for the preparation of organic carbonates

Details Catalytic procedure for the preparation of organic carbonates Catalytic procedure for the preparation of organic carbonates

C - Chemistry, Metallurgy

07

C

C07C 68/00 (2006.01) C07C 69/96 (2006.01) C07D 317/36 (2006.01) C07D 317/38 (2006.01) C07D 319/06 (2006.01)

Patent

CA 2098147

Catalytic procedure for the preparation of an organic carbonate having general formula (I): (see figure I) wherein R represents a C1-C10 alkyl radical, linear or branched, or a C5-C8 cycloalkyl radicals or of a cyclic organic carbonate having general formula (II): (see figure II) wherein R' represents a C2-C5 alkylene radical, linear or branched; including the reacting of an aliphatic or cyclo- aliphatic alcohol having general formula (III): R~OH (III) or an aliphatic diol having general formula (IV): HO~R'~OH (IV) wherein R and R' have the meaning described above, with carbon monoxide and oxygen, in the presence of a catalyst composed of a cobalt(II) or cobalt(III) ion and an organic binder containing at least one oxygen atom, characterized in that the process is carried out in the presence of at least one reaction coadjuvant selected from the following groups of linear or cyclic compounds: ureas, nitriles, amides, phosphoramides, sulphones, sulphoxides, carbamates.

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