Substituted 1,2,3-triazino[4',5':4,5]-thieno[2,3-B]quinolin-4(3H

Details Substituted 1,2,3-triazino[4',5':4,5]-thieno[2,3-B]quinolin-4(3H Substituted 1,2,3-triazino[4',5':4,5]-thieno[2,3-B]quinolin-4(3H

1983-05-23

1985-01-29

Ford, John M.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C07D49512

Patent

active

044967250

ABSTRACT:
Substituted 1,2,3-triazino[4',5':4,5]thieno[2,3-b]quinolin-4(3H)-ones useful as antiallergic agents are described herein. The compounds are prepared by the reaction of an appropriate substituted 3-aminothieno[2,3-b]quinoline-2-carboxamide with sodium nitrite in an acid such as acetic acid.

REFERENCES:
patent: 4239887 (1980-12-01), Youssefyeh
Schneller et al., Heterocycles, vol. 3, pp. 135-138, (1975).
Beck et al., J. Org. Chem., vol. 41, pp. 1733-1734, (1976).

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