Abstract

An efficient, titanium-catalyzed synthesis of pyrazolo[4,3-f]quinolinones was accomplished by the one-pot condensation reactions of 1,3-indanedione, aromatic aldehydes and 5-aminoindazole in toluene in the presence of bis[7-methyl-2-anilinotropone] Ti complex.

Keywords

Pyrazolo[4,3-f]quinolinone, One-pot, Catalyst, Synthesis.