Aryl‐Aryl Coupling of Salicylic Aldehydes through Oxidative CH‐activation in Nickel Salen Derivatives
AN Yankin, DA Lukyanov, EV Beletskii… - …, 2019 - Wiley Online Library
ChemistrySelect, 2019•Wiley Online Library
The preparative electrosynthetic procedure for gram‐scale preparation of symmetric 4, 4′‐
dihydroxy‐3, 3′‐diformylbiphenyls from salicylic aldehydes via the intermediate formation
of ethylene‐bridged bis ((2‐hydroxybenzylidene) imino) nickel (II) complexes is reported for
the first time. This procedure represents a practical route to the variety of rare bisphenol
derivatives. The electrochemical aryl‐aryl coupling via an oxidative CH–activation in
NiSalens is exploited for facile and selective C− C bond formation.
dihydroxy‐3, 3′‐diformylbiphenyls from salicylic aldehydes via the intermediate formation
of ethylene‐bridged bis ((2‐hydroxybenzylidene) imino) nickel (II) complexes is reported for
the first time. This procedure represents a practical route to the variety of rare bisphenol
derivatives. The electrochemical aryl‐aryl coupling via an oxidative CH–activation in
NiSalens is exploited for facile and selective C− C bond formation.
Abstract
The preparative electrosynthetic procedure for gram‐scale preparation of symmetric 4,4′‐dihydroxy‐3,3′‐diformylbiphenyls from salicylic aldehydes via the intermediate formation of ethylene‐bridged bis((2‐hydroxybenzylidene)imino)nickel (II) complexes is reported for the first time. This procedure represents a practical route to the variety of rare bisphenol derivatives. The electrochemical aryl‐aryl coupling via an oxidative CH – activation in NiSalens is exploited for facile and selective C−C bond formation.
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