Process for preparing 5-aminolevulinic acid

Details Process for preparing 5-aminolevulinic acid Process for preparing 5-aminolevulinic acid

1994-01-19

1995-01-10

Shippen, Michael L.

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

Organic compounds

Carboxylic acids and salts thereof

20415769, C07C22900

Patent

active

053809351

ABSTRACT:
A process for preparing 5-aminolevulinic acid or a salt thereof, which comprises reacting furfurylamine, of which the amino group has been protected, with oxygen molecule under irradiation by light in the presence of a sensitizer; hydrogenating the resulting compound in the presence of a metallic catalyst; and hydrolyzing the hydrogenated compound. 5-Aminolevulinic acid, useful as a raw material for various chemicals and as an agricultural chemical, can be prepared at a high yield by a simple procedure from a raw material which is inexpensive and readily available.

REFERENCES:
patent: 3846490 (1974-11-01), Aronova
patent: 5284973 (1994-02-01), Ebata

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