Metal and solvent-free oxidation of α-isophorone to ketoisophorone by molecular oxygen

被引：28
|
作者：
Wang, Congmin [1 ]
Wang, Guoliang [1 ]
Mao, Jianyong [1 ]
Yao, Zhen [1 ]
Li, Haoran [1 ]
机构：
[1] Zhejiang Univ, Dept Chem, Hangzhou 310027, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2010年 / 11卷 / 08期
基金：
中国国家自然科学基金;
关键词：
EFFICIENT AEROBIC OXIDATION; HYDROXY PHTHALIMIDE NHPI; SELECTIVE OXIDATION; CATALYTIC-OXIDATION; HIGHLY EFFICIENT; BETA-ISOPHORONE; HYDROCARBONS; OLEFINS; COMBINATION; SILICA;
D O I：
10.1016/j.catcom.2010.02.010
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The metal and solvent-free oxidation of a-isophorone to ketoisophorone (KIP) using N-hydroxy phthalimide (NHPI) as the catalyst under atmospheric oxygen was studied, eliminating the isomerization process of alpha-isophorone to beta-isophorone. The effect of co-catalyst, temperature, time, amount of NHPI, and recycling on the oxidation was investigated. The oxidation of alpha-isophorone proceed well without any co-catalyst under 60 degrees C for 10 h, which was different with the traditional oxidation of alpha-isophorone at high temperature. Furthermore, NHPI can be easily separated and reused with a slight loss on its activity. This aerobic oxidation process by NHPI provides a good alternative way for the industrial synthesis of KIP. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：758 / 762
页数：5
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