Process for producing an unsaturated glycol diester using a cata

Details Process for producing an unsaturated glycol diester using a cata Process for producing an unsaturated glycol diester using a cata

1977-09-26

1978-10-17

Thomas, Jr., James O.

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

Organic compounds

Carboxylic acid esters

2604106, 560 1, 560112, C07C 6705

Patent

active

041210395

ABSTRACT:
Unsaturated glycol diesters are prepared at high reaction rates, high degrees of conversion and high selectivity, by reacting a conjugated diene, a carboxylic acid and oxygen, in the presence of an improved active solid catalyst, in the liquid phase. The improved catalyst of the invention comprises palladium containing thorium as a promotor. In the preferred embodiment, butadiene and acetic acid are reacted with oxygen to produce the desired 1,4-diacetoxy-2-butene at high conversions and selectivity.

REFERENCES:
patent: 3742039 (1973-06-01), Ono
patent: 3922300 (1975-11-01), Onoda
patent: 4038307 (1977-07-01), Weitz

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