- Improved synthesis of chalcones under ultrasound irradiation.
Improved synthesis of chalcones under ultrasound irradiation.
Ultrasonics sonochemistry (2002-10-10)
Ji-Tai Li, Wen-Zhi Yang, Shu-Xiang Wang, Sheng-Hui Li, Tong-Shuang Li
PMID12371199
ABSTRAKT
Claisen-Schmidt condensation of acetophenone with aromatic aldehydes catalyzed by pulverized KOH and KF-Al2O3 results chalcones in 52-97% and 83-98% yields respectively in alcoholic solvent under ultrasound irradiation.
MATERIAŁY
Numer produktu
Marka
Opis produktu
Sigma-Aldrich
Potassium hydroxide, semiconductor grade, pellets, 99.99% trace metals basis (Purity excludes sodium content.)