Process for the preparation of 2-halomethyl-3,5-dimethyl-4-metho

Details Process for the preparation of 2-halomethyl-3,5-dimethyl-4-metho Process for the preparation of 2-halomethyl-3,5-dimethyl-4-metho

1991-11-20

1994-03-08

Ivy, C. Warren

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D21389

Patent

active

052928861

ABSTRACT:
The process comprises a first step of O-acylation and subsequent acyloxylation of the 2-position methyl group of 2,3,5-trimethyl-4-methoxypyridine N-oxide, to obtain a compound which is subjected to a final halogenation step, in which the 2-position substituent is converted into halomethyl with a halogenating agent.

REFERENCES:
patent: 5066810 (1991-11-01), Baumann
March, Advanced Organic Chemistry, pp. 382-384 3rd Ed. 1985.
Journal of Organic Chemistry, vol. 33, No. 4, Apr. 1968; pp. 1530-1532.

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