Process for the preparation of storage-stable levulinic acid

Details Process for the preparation of storage-stable levulinic acid Process for the preparation of storage-stable levulinic acid

1991-10-28

1993-02-23

Killos, Paul J.

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

Organic compounds

Carboxylic acids and salts thereof

C07C 59147, C07C 59185, C07C 59325, C07C 59347

Patent

active

051892154

ABSTRACT:
A process for the preparation of color-stable levulinic acid by saponification of acetylsuccinates with aqueous mineral acids, by continuously treating the starting products with steam in counter-current in a reactor cascade, the reaction being carried out above the boiling point of the alcohol being formed in the reaction or above the boiling point of the aqueous azeotrope being formed.

REFERENCES:
patent: 4236021 (1980-11-01), Hsu et al.
Wiggins, "Research", 3 140-145 (1950).

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