Method for producing a lactone

Details Method for producing a lactone Method for producing a lactone

1989-10-30

1991-06-04

Waddell, Frederick E.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549326, C07D30726

Patent

active

050215892

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: 4415740 (1983-11-01), Kaufman
patent: 4892955 (1990-01-01), Wada et al.

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