Substituted pyridine carbonyl halides and derivatives

Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system

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546281, 546193, 546194, C07D21354

Patent

active

041297342

ABSTRACT:
Disclosed are pyridinecarboxylic acids and derivatives thereof which are useful as intermediates for the preparation of 1H-pyrido(2,3-c or 4,3-c)(1,2,6)thiadiazin-4(3H)-one-2,2-dioxide compounds and derivatives thereof which are useful as herbicides.

REFERENCES:
patent: 3534049 (1970-10-01), Bell
patent: 3641004 (1972-02-01), Pews et al.
patent: 3819639 (1974-06-01), DeLarge et al.
patent: 3888868 (1975-06-01), Kyriacou

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