OXYGENATION OF 2,6-DI-TERT-BUTYLPHENOL CATALYZED BY A NEW COBALT(II) COMPLEX [CO(BABP)] - A SALEN ANALOG HAVING HIGHER CATALYTIC ACTIVITY, SELECTIVITY, AND DURABILITY

被引:17
作者
YAMADA, M [1 ]
ARAKI, K [1 ]
SHIRAISHI, S [1 ]
机构
[1] UNIV TOKYO,INST IND SCI,7-22-1 ROPPONGI,MINATO KU,TOKYO 106,JAPAN
来源
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 | 1990年 / 10期
关键词
D O I
10.1039/p19900002687
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The deprontated form of the cobalt(II) complex of 6,6′- bis(benzoylamino)-2,2′-bipyridine [Co(babp)] shows excellent catalytic activity in the selective oxygenation of 2,6-di-t-butylphenol (DTBP) to 2,6-di-t-butyl-p-benzoquinone (DTBQ) in the presence of an appropriate base. The durability of [Co(babp)] as an oxygenation catalyst is much higher than that of [Co(salen)] and, furthermore, the reduced catalytic activity of the complex after repeated use can easily be improved to a certain extent by heating at 200°C under reduced pressure.
引用
收藏
页码:2687 / 2690
页数:4
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