Pyrano[4,3-e]-as-triazines and corresponding 4-oxides

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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C07D49108

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active

042282802

ABSTRACT:
This disclosure describes novel compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2 each independently represent hydrogen, halo having an atomic weight of about 19 to 36, lower alkyl, straight chain lower alkoxy, amino, nitro or trifluoromethyl, and

REFERENCES:
patent: 3962240 (1976-06-01), Bennett
patent: 3963713 (1976-06-01), Bennett
Neunhoeffer et al., "Chemistry of 1,2,3-Triazines and 1,2,4-Triazines, Tetrazines, and Pentazines", Interscience Publication, John Wiley & Sons, New York (1978) pp. 750-751.

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