Microwave- and ultrasound-promoted greener synthesis of thiazolylpyrazoline derivatives and investigation of their biological activities

Abstract

Six thiazolyl-pyrazoline derivatives were synthesized starting from corresponding chalconecompounds for their antioxidant capacity and antiurease inhibitory activities. In addition to theconventional method, ultrasonic sonication and microwave irradiation methods which are environmentalmethods were used in the synthetic stage. Compound 2-(5-(3-bromophenyl)-3-phenyl-4,5-dihydro-1Hpyrazol-1-yl)-4-phenyl thiazole (5a) exhibited the most potent antiurease activity with IC50 of 2,28±0,02,which was comparable to the positive control.