Catalysts for the hydrogenation of 2,2,6,6-tetramethyl-4-piperidone to 2,2,6,6-tetramethyl-4-piperidinol

被引：0

作者：

Wang, DL ^{[1
]}

Zhang, ZP ^{[1
]}

Chen, LG ^{[1
]}

Xu, ZS ^{[1
]}

Wang, Y ^{[1
]}

Huang, HM ^{[1
]}

Meng, Y ^{[1
]}

机构：

[1] Tianjin Univ, Dept Appl Chem & Fine Chem Technol, Tianjin 300072, Peoples R China

来源：

ACTA CHIMICA SINICA | 1999年 / 57卷 / 02期

关键词：

piperidone; pipericlinol; catalyst; catalytic hydrogenation;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The catalytic hydrogenation of 2,2, 6,6-tetramethyl-4-piperidone to 2,2,6,6-tetramethyl-4-piperidinol. was studied in this paper. We concentrated our attention to various catalysts for this reaction. Raney Ni(4) was found to be the best one for the reaction. The mechanism of the hydrogenation of 2,2, 6, 6-tetramethyl-4-piperidone is also discussed. The reaction was run in a fluidized-bed tower reactor. Other related parameters were investigated. Thus, the optimized conditions were established as follows:the concentration of 2,2,6,6-tetramethyl-4-piperidone,30%; solvent, 20% isopropanol in water; catalyst quantity, 20%(w/w); reaction period, 2h; yield, 97. 3% (m.p. 130.0 similar to 131.0 degrees C).

引用

页码：176 / 182

页数：7