A Catecholaldimine-Based Ni II -Complex as an Effective Catalyst for the Direct Conversion of Alcohols to trans -Cinnamonitriles and Aldehydes

A nickel(II) complex [Ni(HL) ] was synthesized by treatment of a new catecholaldimine-based ligand with NiCl ·6H O in methanol at room temperature. Complex showed excellent catalytic activity where aromatic and heterocyclic alcohols were rapidly converted into -cinnamonitrile in a one-pot manner via...

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Published inJournal of organic chemistry Vol. 88; no. 11; pp. 7448 - 7453
Main Authors Sharma, Vivek, Chavan, Kailas Arjun, Mali, Ghanshyam, Sarkar, Dipanjana, Lama, Prem, Majumder, Moumita, Erande, Rohan D, Metre, Ramesh K
Format Journal Article
LanguageEnglish
Published United States 02.06.2023
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Summary:A nickel(II) complex [Ni(HL) ] was synthesized by treatment of a new catecholaldimine-based ligand with NiCl ·6H O in methanol at room temperature. Complex showed excellent catalytic activity where aromatic and heterocyclic alcohols were rapidly converted into -cinnamonitrile in a one-pot manner via oxidative olefination in the presence of KOH. The potential of the disclosed catalyst and the results obtained for the direct conversion of alcohols to two different functionalities ( -cinnamonitrile and aldehydes) are well supported by DFT studies.
ISSN:0022-3263
1520-6904
DOI:10.1021/acs.joc.2c03067