Process for the preparation of 2-formyl-2-methyl succinates

Details Process for the preparation of 2-formyl-2-methyl succinates Process for the preparation of 2-formyl-2-methyl succinates

1990-10-24

1992-04-21

Dees, Jose G.

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

Organic compounds

Carboxylic acid esters

560176, 560177, 562517, C07C 6738

Patent

active

051070154

ABSTRACT:
The preparation of 2-formyl-2-methyl succinates by reacting itaconates with carbon monoxide and hydrogen in contact with a catalyst system comprising rhodium and a tertiary phosphorus compound, wherein the reaction is carried out under a pressure of from 90 to 325 bar.

REFERENCES:
patent: 3527809 (1970-09-01), Pruett et al.
patent: 3917661 (1975-11-01), Pruett et al.
Kollar et al., Chimia 40, (1986), 428-429.

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