Direct conversion of benzylamines to imines via atmospheric oxidation in the presence of VO(Hhpic)(2) catalyst

Oxovanadium complex bearing 3-hydroxypicolinic acid (H(2)hpic), that is, VO(Hhpic)(2), successfully catalyzes a highly selective oxidation of benzylamines to the corresponding N-(benzylidene)benzylamines under atmospheric molecular oxygen. In addition, the use of imidazolium-type ionic liquids as so...

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Bibliographic Details
Published inTetrahedron letters Vol. 51; no. 18; pp. 2450 - 2452
Main Authors Kodama, Shintaro, Yoshida, Jun, Nomoto, Akihiro, Ueta, Yukihiro, Yano, Shigenobu, Ueshima, Michio, Ogawa, Akiya
Format Journal Article
LanguageEnglish
Published OXFORD Elsevier 05.05.2010
Subjects
Chemistry
Chemistry, Organic
Physical Sciences
Science & Technology
SYSTEM
DEHYDROGENATIVE OXIDATION
Amines
Vanadium catalyst
ALCOHOLS
VANADIUM
SOLVENTS
Atmospheric oxygen
AEROBIC OXIDATION
PRIMARY AMINES
Oxidation reaction
IONIC LIQUIDS
DERIVATIVES
MOLECULAR-OXYGEN
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Summary:Oxovanadium complex bearing 3-hydroxypicolinic acid (H(2)hpic), that is, VO(Hhpic)(2), successfully catalyzes a highly selective oxidation of benzylamines to the corresponding N-(benzylidene)benzylamines under atmospheric molecular oxygen. In addition, the use of imidazolium-type ionic liquids as solvent makes it possible to attain recycling of the catalyst. (C) 2010 Elsevier Ltd. All rights reserved.
ISSN:0040-4039
DOI:10.1016/j.tetlet.2010.02.150