Manufacture of pyridoxin

Details Manufacture of pyridoxin Manufacture of pyridoxin

1978-04-14

1979-03-13

Rotman, Alan L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546302, 546303, C07D21367

Patent

active

041442393

ABSTRACT:
An industrially advantageous process for the manufacture of vitamin B6 (pyridoxin) from 2-methyl-3-hydroxy-4,5-bis-(halomethyl)-pyridine, wherein the starting compound is first converted in the conventional manner to the corresponding pure acetoxy compound which is reacted with an alkali metal acetate, alkaline earth metal acetate or tertiary ammonium acetate to give pyridoxin triacetate, from which pyridoxin can be liberated by hydrolysis or trans-esterification.

REFERENCES:
patent: 2680743 (1954-06-01), Stevens
McCasland et al, Journal Org. Chem., vol. 26, pp. 3541-3543, (1961).
Stanton et al., Journal Am. Chem. Soc., vol. 61, pp. 3307-3310, (1939).

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