Amine promoted catalytic hydrogenation of carboxylic acid anhydr

Details Amine promoted catalytic hydrogenation of carboxylic acid anhydr Amine promoted catalytic hydrogenation of carboxylic acid anhydr

1982-10-29

1984-11-27

Fan, Jane T.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549307, 549311, 549325, 560 1, 560106, 560122, 560265, C07D30720, C07D30783

Patent

active

044852460

ABSTRACT:
The rate of selective hydrogenation of carboxylic acid anhydrides to esters or lactones in the presence of a ruthenium organophosphorous catalyst which contains or liberates a hydrogen halide during the hydrogenation, is improved by providing in the reaction medium prior to or during the hydrogenation a basic amino compound to remove the hydrogen halide.

REFERENCES:
patent: 3957827 (1976-05-01), Lyons

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