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Article: Synthesis, structural characterization and solvatochromic studies of a series of Schiff base-containing triosmium alkylidyne carbonyl clusters
Title | Synthesis, structural characterization and solvatochromic studies of a series of Schiff base-containing triosmium alkylidyne carbonyl clusters |
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Authors | |
Keywords | Alkylidyne Clusters Crystal structures Osmium Solvatochromism |
Issue Date | 1999 |
Publisher | Elsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/jorganchem |
Citation | Journal Of Organometallic Chemistry, 1999, v. 584 n. 1, p. 48-57 How to Cite? |
Abstract | A series of new Schiff base-containing triosmium alkylidyne carbonyl clusters [Os3(μ-H)2(CO)9(μ3-CNC 5H4CH=NC6H4R)] (R = H, NMe2, SMe, CMe3, NH2, Br, Cl, OCnH2n+1, n = 1, 6, 7 or 9) have been prepared by reaction of [Os3(μ-H)3(CO)9(μ3-CCl)] with one equivalent of 1,8-diazabicyclo[5.4.0]undec-7-ene in the presence of a ten-fold excess of the Schiff base ligands NC5H4CH=NC6H4R at room temperature. Analogous triosmium carbonyl clusters bearing 4′-methoxy-4-stilbazole or 4-(4-nitrobenzyl)pyridine moiety at the apical carbon centre have also been synthesized using a similar deprotonation method. The molecular structures of selected complexes have been established by X-ray crystallography. UV-vis spectroscopy suggests that this class of compounds displays significant negative solvatochromic effect in an organic medium. © 1999 Elsevier Science S.A. All rights reserved. |
Persistent Identifier | http://hdl.handle.net/10722/68919 |
ISSN | 2023 Impact Factor: 2.1 2023 SCImago Journal Rankings: 0.359 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Wong, WY | en_HK |
dc.contributor.author | Wong, WT | en_HK |
dc.date.accessioned | 2010-09-06T06:08:54Z | - |
dc.date.available | 2010-09-06T06:08:54Z | - |
dc.date.issued | 1999 | en_HK |
dc.identifier.citation | Journal Of Organometallic Chemistry, 1999, v. 584 n. 1, p. 48-57 | en_HK |
dc.identifier.issn | 0022-328X | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/68919 | - |
dc.description.abstract | A series of new Schiff base-containing triosmium alkylidyne carbonyl clusters [Os3(μ-H)2(CO)9(μ3-CNC 5H4CH=NC6H4R)] (R = H, NMe2, SMe, CMe3, NH2, Br, Cl, OCnH2n+1, n = 1, 6, 7 or 9) have been prepared by reaction of [Os3(μ-H)3(CO)9(μ3-CCl)] with one equivalent of 1,8-diazabicyclo[5.4.0]undec-7-ene in the presence of a ten-fold excess of the Schiff base ligands NC5H4CH=NC6H4R at room temperature. Analogous triosmium carbonyl clusters bearing 4′-methoxy-4-stilbazole or 4-(4-nitrobenzyl)pyridine moiety at the apical carbon centre have also been synthesized using a similar deprotonation method. The molecular structures of selected complexes have been established by X-ray crystallography. UV-vis spectroscopy suggests that this class of compounds displays significant negative solvatochromic effect in an organic medium. © 1999 Elsevier Science S.A. All rights reserved. | en_HK |
dc.language | eng | en_HK |
dc.publisher | Elsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/jorganchem | en_HK |
dc.relation.ispartof | Journal of Organometallic Chemistry | en_HK |
dc.subject | Alkylidyne | en_HK |
dc.subject | Clusters | en_HK |
dc.subject | Crystal structures | en_HK |
dc.subject | Osmium | en_HK |
dc.subject | Solvatochromism | en_HK |
dc.title | Synthesis, structural characterization and solvatochromic studies of a series of Schiff base-containing triosmium alkylidyne carbonyl clusters | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0022-328X&volume=584&spage=48&epage=57&date=1999&atitle=Synthesis,+structural+characterization+and+solvatochromic+studies+of+a+series+of+Schiff+base-containing+triosmium+alkylidyne+carbonyl+clusters | en_HK |
dc.identifier.email | Wong, WT: wtwong@hku.hk | en_HK |
dc.identifier.authority | Wong, WT=rp00811 | en_HK |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/S0022-328X(99)00091-1 | - |
dc.identifier.scopus | eid_2-s2.0-0002429464 | en_HK |
dc.identifier.hkuros | 49860 | en_HK |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0002429464&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 584 | en_HK |
dc.identifier.issue | 1 | en_HK |
dc.identifier.spage | 48 | en_HK |
dc.identifier.epage | 57 | en_HK |
dc.identifier.isi | WOS:000081418400007 | - |
dc.publisher.place | Switzerland | en_HK |
dc.identifier.scopusauthorid | Wong, WY=7403972153 | en_HK |
dc.identifier.scopusauthorid | Wong, WT=7403973084 | en_HK |
dc.identifier.issnl | 0022-328X | - |