1978 Volume 98 Issue 9 Pages 1158-1166
A variety of pyrazolo [4, 3-g] quinoline-6-carboxylic acid derivatives were prepared, for the test of antibacterial activity, by the thermal cyclization of diethyl N-(1-trityl-6-indazolyl) aminomethylenemalonate followed by alkylation and removal of the protective trityl group.