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|Title:||Stoichiometric sensitivity and structural diversity in click-active copper(I) N,S-heterocyclic carbene complexes||Authors:||Han, X.
Andy Hor, T.S.
|Issue Date:||21-Jan-2014||Citation:||Han, X., Weng, Z., Young, D.J., Jin, G.-X., Andy Hor, T.S. (2014-01-21). Stoichiometric sensitivity and structural diversity in click-active copper(I) N,S-heterocyclic carbene complexes. Dalton Transactions 43 (3) : 1305-1312. ScholarBank@NUS Repository. https://doi.org/10.1039/c3dt52059e||Abstract:||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 Cu⋯Cu separation traversing over a wide range of 2.5626(7) to 3.4725(7) Å 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.||Source Title:||Dalton Transactions||URI:||http://scholarbank.nus.edu.sg/handle/10635/94891||ISSN:||14779226||DOI:||10.1039/c3dt52059e|
|Appears in Collections:||Staff Publications|
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