Process for the production of 2-hydroxy-3-halo-5-nitropyridines

Details Process for the production of 2-hydroxy-3-halo-5-nitropyridines Process for the production of 2-hydroxy-3-halo-5-nitropyridines

1991-07-17

1992-09-01

Rotman, Alan L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546298, C07D21372, C07D21355

Patent

active

051440385

ABSTRACT:
A process for the production of 2-hydroxy-3-halo-5-nitropyridines, in which a 5-halo-6-hydroxynicotinic acid is nitrated in the end product. The resultant pyridines form valuable intermediate products for active ingredient synthesis.

REFERENCES:
patent: 3495969 (1970-02-01), Driscoll
Chemical Abstracts, 70:106327 (which is an abstract of Batkowski, T., Rocz. Chem., 42, (2), (1968) pp. 2079 to 2088).

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