Preparation of succinylsuccinic acid diesters

Details Preparation of succinylsuccinic acid diesters Preparation of succinylsuccinic acid diesters

1976-11-05

1977-11-01

Garner, Vivian

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

Organic compounds

Carboxylic acid esters

C07C 6730, C07C 6995

Patent

active

040565513

ABSTRACT:
Process for preparing succinylsuccinic acid diesters by subjecting .gamma.-haloacetoacetic acid esters to dimerization in the presence of a base in a mixed medium of alcohol and water containing a specific amount of a water-immiscible organic compound. The succinylsuccinic acid diesters with good quality can be prepared in high yields and can be employed effectively as intermediates for quinacridone pigment.

REFERENCES:
patent: 3816533 (1974-11-01), Brandstrom et al.

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