Process for the co-production of dicarboxylates and acids

Details Process for the co-production of dicarboxylates and acids Process for the co-production of dicarboxylates and acids

1982-03-08

1984-07-24

Garner, Vivian

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

Organic compounds

Carboxylic acid esters

260408, 260409, 2604106, 260413, 560 8, 560 73, 560102, 560106, 560112, 560186, 560187, 560229, 560232, 560261, 562405, 562473, 562492, 562493, 562587, 562588, 562602, 562606, 562607, C07C 51083, C07C 6700, C07C 6712, C07C 69003, C07C 69007

Patent

active

044619103

ABSTRACT:
A process for the co-production of an alkylidene dicarboxylate and a carboxylic acid, which comprises hydrogenating a carboxylic acid anhydride in the presence of carbon monoxide and a homogeneous iridium- and/or rhodium-containing catalyst, together with an organo phosphorus (III), arsenic (III), or antimony (III) compound and either molecular oxygen or a phosphorus (V), arsenic (V) or antimony (V) compound containing a X=O moiety, where X is a phosphorus, arsenic or antimony atom.

REFERENCES:
patent: 3579566 (1971-05-01), Fenton
patent: 4221918 (1980-09-01), Suzuki

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