title: Improved synthesis of chalcones under ultrasound irradiation.
abstract: 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.
authors.affiliation: College of Chemistry and Environmental Science, Hebei University, Baoding 071002, People's Republic of China. orgsyn@mail.hbu.edu.cn
authors.forename: Ji-Tai
authors.initials: JT
authors.lastname: Li
authors.forename: Wen-Zhi
authors.initials: WZ
authors.lastname: Yang
authors.forename: Shu-Xiang
authors.initials: SX
authors.lastname: Wang
authors.forename: Sheng-Hui
authors.initials: SH
authors.lastname: Li
authors.forename: Tong-Shuang
authors.initials: TS
authors.lastname: Li
mesh_terms: D000447:Aldehydes / Q000737:chemistry; D000537:Aluminum Oxide / Q000737:chemistry; D002384:Catalysis; D002599:Chalcone / Q000031:analogs & derivatives* / Q000138:chemical synthesis*; D006878:Hydroxides / Q000737:chemistry; D017680:Potassium Compounds / Q000737:chemistry; D014463:Ultrasonography
chemical_list: D000447:Aldehydes; D006878:Hydroxides; D017680:Potassium Compounds; D002599:Chalcone; D000537:Aluminum Oxide; C029943:potassium hydroxide