Process for the preparation of trans, trans-muconic acid

Details Process for the preparation of trans, trans-muconic acid Process for the preparation of trans, trans-muconic acid

1976-01-22

1977-06-21

Garner, Vivian

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260475FR, 260484P, C07C 5109

Patent

active

040311368

ABSTRACT:
Process for the preparation of trans, trans-muconic acid by reacting a glyoxalacetal with ketene in the presence of an acid catalyst and hydrolyzing the .beta., .beta.'-dialkoxy-adipic acid-alkylester formed with alkali. By this new process trans, trans-muconic acid is easily obtained in better yield, which compound is an important intermediate for the production of 1,4-naphthalene-dicarboxylic acid esters.

REFERENCES:
patent: 2534212 (1950-12-01), Wacek
patent: 3429949 (1969-02-01), Driscoll

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