Production of pyridoxine

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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C07D21367

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active

043395864

ABSTRACT:
Pyridoxine or its acid addition salt is produced by reacting 4-carboxymethyl-5-substituted oxy-oxazoles with 4,7-dihydro-1,3-dioxepines in the presence of a compound of the formula ##STR1## wherein X is oxygen, --NH--, or --NH--NH-- and, then, subjecting the resultant compound to hydrolysis. This process offers industrially more advantageous production of pyridoxine than hitherto known processes.

REFERENCES:
patent: 3669984 (1972-06-01), Schaeren

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