Please use this identifier to cite or link to this item:
|Title:||CpCr(CO)3 ■-initiated N-N bond cleavage in a thiotetrazole ligand in a cyclopentadienylchromium complex||Authors:||Ng, V.W.L.
|Issue Date:||1-Mar-2005||Citation:||Ng, V.W.L., Weng, Z., Vittal, J.J., Koh, L.L., Tan, G.K., Goh, L.Y. (2005-03-01). CpCr(CO)3 ■-initiated N-N bond cleavage in a thiotetrazole ligand in a cyclopentadienylchromium complex. Journal of Organometallic Chemistry 690 (5) : 1157-1165. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jorganchem.2004.11.045||Abstract:||The tetrazolylthiolato complex CpCr(CO)3(STz) (4a) was obtained from the facile reaction between [CpCr(CO)3]2 (Cp = C 5H5) (1) and 5,5′-dithiobis(1-phenyl-1H-tetrazole), (abbrev. (PhN4CS)2 or (STz)2). Further reaction of 4a with 1 under thermolytic conditions led to isolation of low yields of the cubane-like complexes Cp4Cr4S3(μ 3-N3Ph) (5), Cp4Cr4S 2(μ3-CO)(μ3-NC≡CrCp(CO) 2) (6), Cp4Cr4S2(μ3- N3Ph)(μ3-NC≡CrCp(CO)2) (7) and Cp 4Cr4SO2(μ3-NPh) (8), containing μ3-phenyltriazenido, imidocarbyne and phenylimido groups at the corners of cuboids, in addition to μ3-sulfide, oxo or carbonyl groups. The predominant products were the decarbonylation derivative of 1, i.e. [CpCr(CO)2]2(Cr≡Cr) (9), together with [CpCr(CO)2]2S (10) and its thermolytic cuboidal derivatives, mainly Cp4Cr4S2O2 (11) and Cp4Cr4S4 (13). 1-initiated homolytic fragmentation of the tetrazole ring was proposed to rationalize the formation of the derived cubanes. The structures of the complexes 4a, 6-8 and 11 have been determined by single X-ray diffraction analysis. © 2004 Elsevier B.V. All rights reserved.||Source Title:||Journal of Organometallic Chemistry||URI:||http://scholarbank.nus.edu.sg/handle/10635/93407||ISSN:||0022328X||DOI:||10.1016/j.jorganchem.2004.11.045|
|Appears in Collections:||Staff Publications|
Show full item record
Files in This Item:
There are no files associated with this item.
checked on Oct 15, 2019
WEB OF SCIENCETM
checked on Oct 8, 2019
checked on Oct 12, 2019
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.