Jm. Quintela et C. Peinador, A READY ONE-POT PREPARATION FOR 7-OXA(OR THIA)-3,4,6-TRIAZABENZ[D,E]ANTHRACENE AND 7-OXA-3,4,6,9-TETRAZABENZ[D,E] ANTHRACENE-DERIVATIVES, Tetrahedron, 52(31), 1996, pp. 10497-10506
Derivatives of 7-oxa-3,4,6-triazabenz[d,e]anthracene, 7-oxa-3,4,6,9-te
trazabenz[d,e]anthracene and 7-thia-3,4,6-triazabenz[d,e] anthracene a
re obtained from the appropriate substituted o-aminonitrile pyridine d
erivatives and N,N-dimethyldichloromethyleniminium chloride (phosgenim
inium chloride). Copyright (C) 1996 Elsevier Science Ltd