Process for preparing purified dimethyl naphthalenedicarboxylate

Details Process for preparing purified dimethyl naphthalenedicarboxylate Process for preparing purified dimethyl naphthalenedicarboxylate

1991-05-31

1993-11-16

Dees, Jose G.

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

Organic compounds

Carboxylic acid esters

560100, C07C 6748

Patent

active

052625605

ABSTRACT:
A process for preparing purified dimethyl-2,6-naphthalenedicarboxylate by the esterification of 2,6-naphthalenedicarboxylic acid is disclosed and which process provides for the efficient removal of the mono methyl ester of 2,6-naphthalenedicarboxylic acid produced during the esterification reaction.

REFERENCES:
patent: 3037048 (1962-05-01), Lotz et al.
patent: 3485867 (1969-12-01), Jackson
patent: 4048021 (1977-09-01), Takamoto et al.
patent: 4230882 (1980-10-01), Seko et al.
patent: 5095135 (1992-03-01), Yamada et al.

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