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https://doi.org/10.1021/om060510n
DC Field | Value | |
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dc.title | Convenient entry to mono- and dinuclear palladium(II) benzothiazolin-2- ylidene complexes and their activities toward Heck Coupling | |
dc.contributor.author | Yen, S.K. | |
dc.contributor.author | Koh, L.L. | |
dc.contributor.author | Hahn, F.E. | |
dc.contributor.author | Huynh, H.V. | |
dc.contributor.author | Hor, T.S.A. | |
dc.date.accessioned | 2014-10-16T08:23:36Z | |
dc.date.available | 2014-10-16T08:23:36Z | |
dc.date.issued | 2006-10-09 | |
dc.identifier.citation | Yen, S.K., Koh, L.L., Hahn, F.E., Huynh, H.V., Hor, T.S.A. (2006-10-09). Convenient entry to mono- and dinuclear palladium(II) benzothiazolin-2- ylidene complexes and their activities toward Heck Coupling. Organometallics 25 (21) : 5105-5112. ScholarBank@NUS Repository. https://doi.org/10.1021/om060510n | |
dc.identifier.issn | 02767333 | |
dc.identifier.uri | http://scholarbank.nus.edu.sg/handle/10635/93372 | |
dc.description.abstract | Under solventless conditions, benzothiazole reacts with benzyl bromide to give near-quantitative yield of the salt W-benzylbenzothiazolium bromide (A), which is a convenient air-stable heterocyclic carbene precursor. Treatment of A with Pd(OAc)2 in CH3CN affords the bis(carbene) complex cis-[PdBr2(NHC)2] (1) (NHC = N-benzylbenzothiazolin-2- ylidene). In DMSO, this reaction yields an unprecedented dinuclear N,S-heterocyclic carbene complex, [PdBr2(NHC)]2 (2). Complex 2 undergoes bridge cleavage reactions with CH3CN and DMF to give the mononuclear and solvated monocarbene complexes trans-[PdBr 2(NHC)(Solv)] [Solv = CH3CN (3) and DMF (4)]. All compounds have been fully characterized by 1H and 13C NMR spectroscopy, ESI or FAB mass spectrometry, and elemental analysis. The molecular structures of A and 1-4 have been determined by X-ray single-crystal diffraction. The catalytic activities of 1-4 toward Mizoroki-Heck coupling reactions of aryl bromides with tert-butyl acrylate are described and compared. © 2006 American Chemical Society. | |
dc.description.uri | http://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1021/om060510n | |
dc.source | Scopus | |
dc.type | Article | |
dc.contributor.department | CHEMISTRY | |
dc.description.doi | 10.1021/om060510n | |
dc.description.sourcetitle | Organometallics | |
dc.description.volume | 25 | |
dc.description.issue | 21 | |
dc.description.page | 5105-5112 | |
dc.description.coden | ORGND | |
dc.identifier.isiut | 000240912400024 | |
Appears in Collections: | Staff Publications |
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