Method for producing a lactone

Details Method for producing a lactone Method for producing a lactone

1987-07-13

1990-01-09

Hollrah, Glennon H.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

502213, C07D30726

Patent

active

048929557

ABSTRACT:
A method for producing a lactone by hydrogenating a dicarboxylic acid, a dicarboxylic acid anhydride and/or a dicarboxylic acid ester in the presence of a catalyst, wherein said catalyst is a ruthenium catalyst comprising (1) ruthenium, (2) an organic phosphine and (3) a conjugate base of an acid having a pKa of less than 2.

REFERENCES:
patent: 3957827 (1976-05-01), Lyons
patent: 4268689 (1981-05-01), Knifton
patent: 4415740 (1983-11-01), Kaufman

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