Epoxidation catalysed by Mn III TPPCl using dioxygen activated by a system containing N-hydroxyphthalimide and styrene, 2-norbornene or indene
作者:Shigeko Ozaki、Tomomi Hamaguchi、Keiichi Tsuchida、Yukio Kimata、Masaichiro Masui
DOI:10.1039/p29890000951
日期:——
The catalytic epoxidation of alkenes by molecular oxygen activated in the system containing N-hydroxyphthalimide (NHPI) and active alkenes such as styrene, 2-norbornene or indene is reported. The transient intermediates, alkyl hydroperoxides formed by autoxidation of NHPI and the active alkenes are proposed as oxygen sources which transfer mono-oxygen to MnIIITPPCl.
据报道,烯烃在含N-羟基邻苯二甲酰亚胺(NHPI)和活性烯烃(如苯乙烯,2-降冰片烯或茚)的体系中被分子氧活化而催化环氧化。提出了过渡中间体,通过NHPI的自氧化形成的烷基氢过氧化物和活性烯烃作为将单氧转移到Mn III TPPCl的氧源。