Process for the preparation of methyl 4-oxobutyrate and its meth

Details Process for the preparation of methyl 4-oxobutyrate and its meth Process for the preparation of methyl 4-oxobutyrate and its meth

1987-07-09

1991-12-10

Dees, Jose G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

560175, 560186, C07D30732, C07C 6736, C07C 6966

Patent

active

050720058

ABSTRACT:
Methyl 4-oxobutyrate and its methanol addition products, methyl 4,4-dimethoxybutyrate and gamma-methoxy-gamma-butyrolactone, which are useful as intermediates in the preparation of such industrially important compounds as gamma-butyrolactone, 1,4-butanediol and glutamic acid, are produced from the reaction of acrolein, carbon monoxide and methanol in the presence of a catalyst system which consists of (a) a Group VIII metal component selected from palladium metal or a palladium-containing composition which generates palladium metal under reaction conditions, (b) a hydrogen halide and (c) an arylarsine catalyst copromoter.

REFERENCES:
patent: 3818060 (1974-06-01), Forster

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