Environmentally friendly sonocatalysis promoted preparation of 1-thiocarbamoyl-3,5-diaryl-4,5-dihydro-1H-pyrazoles.

Autor: Pizzuti L; Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil., Piovesan LA, Flores AF, Quina FH, Pereira CM
Jazyk: angličtina
Zdroj: Ultrasonics sonochemistry [Ultrason Sonochem] 2009 Aug; Vol. 16 (6), pp. 728-31. Date of Electronic Publication: 2009 Feb 25.
DOI: 10.1016/j.ultsonch.2009.02.005
Abstrakt: An efficient and green synthesis of thiocarbamoyl-3,5-diaryl-4,5-dihydro-1H-pyrazoles via the condensation of chalcones with thiosemicarbazide in ethanol and KOH under ultrasound irradiation is reported. The products were isolated in good yields after short reaction times.
Databáze: MEDLINE