AMIDINOYL ISOTHIOCYANATES IN THE SYNTHESIS OF CONDENSED QUINAZOLINES PREPARATION OF RO-5-MORPHOLINO[1,2,4]TRIAZOLO-[4,3-C]QUINAZOLINES AND THEIR [1,5-C] ISOMERS
K. Spirkova et al., AMIDINOYL ISOTHIOCYANATES IN THE SYNTHESIS OF CONDENSED QUINAZOLINES PREPARATION OF RO-5-MORPHOLINO[1,2,4]TRIAZOLO-[4,3-C]QUINAZOLINES AND THEIR [1,5-C] ISOMERS, Chemicke zvesti, 47(6), 1993, pp. 382-385
Some oro-5-morpholino[1,2,4]triazolo[4,3-c]quinazolines were prepared
by oxidative cyclization of corresponding arylhydrazones. The isomeriz
ation of these condensed [1,2,4]triazolo[4,3-c] derivatives to the [1,
5-c] isomers was observed. The IR and H-1 NMR spectra of final product
s are presented.