A green route to 1,2-cyclohexanediol via the hydrolysis of cyclohexene oxide catalyzed by water

被引：5
|
作者：
Yang, Qiusheng [1 ]
Yang, Xue [1 ]
Wang, Yanji [1 ]
Wang, Haiou [1 ]
Cheng, Qingyan [1 ]
机构：
[1] Hebei Univ Technol, Inst Green Chem Technol, Tianjin 300130, Peoples R China
来源：
RESEARCH ON CHEMICAL INTERMEDIATES | 2012年 / 38卷 / 09期
关键词：
Hydrolysis; Water; Cyclohexene oxide; 1,2-Cyclohexanediol; Polymer; EPOXIDES; ALCOHOLS; DIOLS; AZIRIDINES; CONVERSION; OXIDATION;
D O I：
10.1007/s11164-012-0544-7
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Effective hydrolysis of cyclohexene oxide (CHO) was conducted by heating in water between 100 and 140 A degrees C without another catalyst. It provided 100 % purity and 100 % yield of trans-1,2-cyclohexanediol (1,2-CHD) with five times of H2O to CHO at 120 A degrees C for 6 h. These intermediates of polyether polyols could be totally decomposed to 1,2-CHD (monomer) by hot water under the same condition. The improved process eliminates the purification and markedly reduces the cost of 1,2-CHD in the follow-up industrial production. The main factors, such as reaction temperature, time, and water volume, were investigated. It was proposed that water acted as a modest acid catalyst, reactant, and solvent in the hydrolysis of CHO and polymers.
引用
收藏
页码：2277 / 2284
页数：8
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