A versatile cobalt(II)-Schiff base catalyzed oxidation of organic substrates with dioxygen: Scope and mechanism
作者:T Punniyamurthy、Beena Bhatia、M.Madhava Reddy、Golak C Maikap、Javed Iqbal
DOI:10.1016/s0040-4020(97)00432-8
日期:1997.6
Cobalt(II) complex 1a-f derived from Schiff bases act as efficient catalysts during the oxidation of wide range of organicsubstrates(e.g. alkenes, alcohols, benzylic compounds and aliphatic hydrocarbons) with dioxygen in the presence of aliphatic aldehydes or ketones or ketoesters. EPR studies on 1a-f complexes suggest that the aliphatic carbonyl compounds promote the formation of a cobalt(III)-superoxo
Cobalt catalysed allylic and benzylic oxidations with dioxygen in the presence of ethyl 2-oxocyclopentanecarboxylate
作者:T. Punniyamurthy、Javed Iqbal
DOI:10.1016/s0040-4039(00)76725-6
日期:1994.6
An efficient allylic and benzylic oxidation of various cyclic alkenes and benzylic compounds respectively can be achieved with dioxygen in the presence of ethyl 2-oxocyclopentanecarboxylate 2 and catalytic amount of cobalt(II) Schiff's base complex 1.