Carbonylation process for the production of aromatic dicarboxyli

Details Carbonylation process for the production of aromatic dicarboxyli Carbonylation process for the production of aromatic dicarboxyli

1986-05-23

1987-09-01

Shippen, Michael L.

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

Organic compounds

Carboxylic acids and salts thereof

546327, 548536, 549 71, C07C 5110

Patent

active

046910506

ABSTRACT:
The present invention provides a process for the preparation of aromatic dicarboxylic acids by the carbonylation of aromatic diiodides. The aromatic diiodides are reacted with carbon monoxide in the presence of a soluble rhodium catalyst in a hydrocarbon acid reaction medium to prepare the aromatic dicarboxylic acids.

REFERENCES:
patent: 2565463 (1951-08-01), Tabet
patent: 3733354 (1973-05-01), Cassar
Falbe, "Carbon Monoxide in Organic Synthesis," pp. 118-120, (1970).
Allinger, "Organic Chemistry," pp. 265-267, (1972).

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