Ultrasonic-assisted Cu-catalyzed multicomponent synthesis of furo[3,4-b]pyrazolo[4,3-f]quinolinones

[摘要] A new series of 10-phenyl-7,9-dihydro-3 H -furo[3,4- b ]pyrazolo[4,3- f ]quinolin-9-one derivatives has been synthesized through an efficient multicomponent reaction of tetronic acid, 5-aminoindazole and various aromatic aldehydes catalyzed by copper(II) triflate under ultrasonic irradiation.

[学科分类] 内科医学

[关键词] copper(II) triflate;furo[3;4-b]pyrazolo[4;3-f]quinolinones;one-pot