67095-57-2Relevant academic research and scientific papers
Fused quinazolinones and preparation thereof
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, (2008/06/13)
Tricyclic quinazolines of the formula, STR1 wherein R1, R2, R3, R4 and A are as defined in the specification, such as 4,5-dihydro-5-arylimidazo[1,2-a]quinazolines, 4,5-dihydro-5-aryl-s-triazolo[4,3-a]quinazolines and 4,5-dihydro-5-aryltetrazolo[1,5-a]quinazolines having anti-inflammatory and analgesic activity are, for example, prepared by reducing the corresponding 4,5-unsaturated compounds, and then, if necessary, by alkylating the thus produced compounds.
