Process for the preparation of fumaric acid monoesters

Details Process for the preparation of fumaric acid monoesters Process for the preparation of fumaric acid monoesters

1982-06-25

1985-05-07

Trousof, Natalie

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549378, 549416, 549475, 549484, 549499, 560190, 560192, 560193, 560194, 560196, 560198, 560201, 560204, 544171, 544318, 544319, 544385, 544408, 546242, 546243, 546298, 548225, 548230, 548232, 548243, 548301, 548337, 548363, 548375, 548351, 548541, 548543, 548358, C07C 6708, C07C 6960, C07D31902, C07D31904, C07D31912, C07D30746

Patent

active

045159742

ABSTRACT:
Fumaric acid monoesters can be prepared by introducing a hydroxyl compound at a rate corresponding to the progress of the reaction into a solution or a melt of maleic anhydride, which may optionally be substituted, if appropriate in the presence of a cis-trans catalyst. New fumaric acid monoesters can be formed by the process.

REFERENCES:
patent: 2254382 (1941-09-01), Neher
patent: 2764609 (1956-09-01), Gamrath
patent: 3378470 (1968-08-01), Kroll
patent: 3475483 (1969-10-01), Dowbenko

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