H<sub>3</sub>PW<sub>12</sub>O<sub>40</sub>/SiO<sub>2</sub>: An Eco-Friendly Alternative for the Stereo-, Regio- and Chemoselective Claisen-Schmidt Condensation
作者:Bibi Fatemeh Mirjalili、Zahra Zaghaghi
DOI:10.1002/jccs.200800104
日期:2008.6
H 3 PW 12 O 40 /SiO 2 or (PW/SiO 2 ) promotes the regio-, stereo- and chemoselectiveClaisen-Schmidtcondensation with improved yields.
H 3 PW 12 O 40 /SiO 2 或 (PW/SiO 2 ) 促进了区域选择性、立体选择性和化学选择性的 Claisen-Schmidt 缩合,并提高了产率。
Zr(HSO<sub>4</sub>)<sub>4</sub>/SiO<sub>2</sub> as an Efficient Alternative Catalyst for the Claisen-Schmidt Condensation
作者:Bi Bi Fatemeh Mirjalilia、Abddhamid Bamoniri、Masoumeh Alipour、Mohammad Ali Karimi Zarchia
DOI:10.1515/znb-2008-1213
日期:2008.12.1
Zr(HSO4)4/SiO2 promotes the regio-, stereo- and chemoselectiveClaisen-Schmidtcondensation of aromatic aldehydes with ketones under solvent-free conditions with improved yields. The work-up of the reaction mixture is simple, and the catalyst is easily removed from the products by simple filtration.