Stoichiometric sensitivity and structural diversity in click-active copper(I) N,S-heterocyclic carbene complexes

X Han; Z Weng; David James Young; G X Jin; T S Andy Hor

doi:10.1039/c3dt52059e

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Stoichiometric sensitivity and structural diversity in click-active copper(I) N,S-heterocyclic carbene complexes

Journal article

Peer reviewed

Stoichiometric sensitivity and structural diversity in click-active copper(I) N,S-heterocyclic carbene complexes

X Han, Z Weng, David James Young, G X Jin and T S Andy Hor

Dalton transactions (Cambridge, England : 2003), Vol.43(3), pp.1305-1312

2014

DOI: https://doi.org/10.1039/c3dt52059e

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Abstract

active catalyst

carbene complexes

carbenes

mononuclear complexes

structural diversity

structural motifs

A series of novel Cu(I) N,S-heterocyclic carbene (NSHC) complexes [Cu(μ-Br)(NSHC)]2, [Cu(μ-X)(NSHC)]4 (X = Br or I), [(NSHC)2Cu(μ-Br)2Cu(NSHC)], and [(NSHC) 2CuBr] have been isolated from in situ generated CuOtBu and N-substituted benzothiazolium halides and characterized by X-ray crystallography. Five structural motifs were observed, viz. MxL y where x:y = 2:2, 4:4, 2:3, 1:2 and 2:4, with Cuâ‹¯Cu separation traversing over a wide range of 2.5626(7) to 3.4725(7) Ã… distances. A preliminary investigation of the catalytic activity of these compounds indicated that the unusual mononuclear complex 6 [(NSHC) 2CuBr] is an active catalyst for the Huisgen 1,3-dipolar cycloaddition of azide and alkynes while complexes 1-5 and 7 were marginally less active. © The Royal Society of Chemistry 2014.

Details

Title: Stoichiometric sensitivity and structural diversity in click-active copper(I) N,S-heterocyclic carbene complexes
Authors: X Han (Author) - National University of Singapore, Singapore
Z Weng (Author) - National University of Singapore, Singapore
David James Young (Author) - Institute of Materials Research and Engineering, Singapore
G X Jin (Author) - Fudan University, China
T S Andy Hor (Author) - National University of Singapore, Singapore
Publication details: Dalton transactions (Cambridge, England : 2003), Vol.43(3), pp.1305-1312
Publisher: Royal Society of Chemistry (R S C) Publications
Date published: 2014
DOI: 10.1039/c3dt52059e
ISSN: 1477-9226
Organisation Unit: University of the Sunshine Coast, Queensland
Language: English
Record Identifier: 99449343402621
Output Type: Journal article

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