活性炭负载磷钨酸催化合成季戊四醇缩酮(醛)  

Catalytic synthesis of acetals and ketals from pentaerythritol with carbonyl compounds over HPW/C

作　　者：蒋小平[1] 袁先友[1] 张敏[1] 尹笃林[2] 

机构地区：[1]零陵学院化学系,湖南永州425000 [2]湖南师范大学化学化工学院,湖南长沙410081

出　　处：《化学研究与应用》2003年第4期506-508,512,共4页Chemical Research and Application

基　　金：湖南省教育厅重点资助项目(02A042)

摘　　要：Synthesis of ketals and acetals from 2,2bis(hydroxymethyl)propane1,3diol with aldehydes and ketones was catalysed by phosphotungstic acid supported on active carbon(HPW/C),and the factors influencing the yield were investigated.It is show that HPW/C was an excellent catalyst,and it was stabtilitive and reusable.The products were characterized by 1H NMR,IR and elemental analysis.Synthesis of ketals and acetals from 2,2bis(hydroxymethyl)propane1,3diol with aldehydes and ketones was catalysed by phosphotungstic acid supported on active carbon(HPW/C),and the factors influencing the yield were investigated.It is show that HPW/C was an excellent catalyst,and it was stabtilitive and reusable.The products were characterized by 1H NMR,IR and elemental analysis.

关 键 词：活性炭负载磷钨酸 催化合成 季戊四醇缩酮 缩醛 催化剂 表征 合成条件 元素分析 

分 类 号：O623.54[理学—有机化学] O643.36[理学—化学]