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Studies on Quinazolines. Part 4. Fused Mesoionic Heterocycles from 3-Amino-2-aryl-4(3H)-quinazolinethiones.

โœ Scribed by A. A. F. Wasfy

Publisher
John Wiley and Sons
Year
2004
Weight
222 KB
Volume
35
Category
Article
ISSN
0931-7597

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## Abstract The 3โ€aminoโ€4(3__H__)โ€quinazolinethiones **__2aโ€“c__** react with phenyl isothiocyanate in DMF, giving N,Nโ€disubstituted thioureas **__3aโ€“c__**. When **__2aโ€“c__** are treated with phenyl isothiocyanate in dry acetonitrile in the presence of triethylamine, the mesoionic compounds **__4aโ€“c

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