搜索结果: 1-2 共查到“化学工程 heteropolyacid”相关记录2条 . 查询时间(0.033 秒)
![](http://www.firstlight.cn/upload/imgfile/201310/7/2013107175854751.jpg)
One-Pot Four-Component Dakin-West Synthesis of β-Acetamido Ketones Catalyzed by a Vanadium-Substituted Heteropolyacid (图)
homogeneous catalysis heteropolyacid Keggin Wells-Dawson Dakin-West β-acetamido ketone
2013/10/7
The multicomponent condensation of an aryl aldehyde, acetyl chloride, acetonitrile, and enolizable ketone as one-pot synthesis of β-acetamido ketones in high yields was investigated using commercial, ...
![](http://www.firstlight.cn/upload/imgfile/201310/13/2013101321361843.jpg)
Catalytic Performance of Nano-SiO2-Supported Preyssler Heteropolyacid in Esterification of Salicylic Acid with Aliphatic and Benzylic Alcohols(图)
Preyssler heteropolyacid silica esterification salicylic acid
2013/10/13
An efficient and environmentally benign procedure for the catalytic esterification of salicylic acid with aliphatic alcohols, CnH2n+1OH (n = 1–5) and benzylic alcohols, RC6H4CH2OH (R = H, NO2, OCH3, B...