Alkynylselenolatoalkylidynes (LnM C-Se-C CR) as building blocks for mixed metal/main-group extended frameworks
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Frogley, Benjamin; Genet, Tobias; Hill, Anthony; Onn, Chee Sheng
Description
The reactions of [W([triple bond, length as m-dash]CBr)(CO)2(Tp*)] (Tp* = hydrotris(3,5-dimethylpyrazol-1-yl)borate) with lithium alkynylselenolates LiSeC[triple bond, length as m-dash]CR (R = SiMe3, SiiPr3, nBu, tBu, Ph, p-tolyl) afford the alkynylselenolatoalkylidyne complexes [W([triple bond, length as m-dash]CSeC[triple bond, length as m-dash]CR)(CO)2(Tp*)]. Desilylation of the SiMe3 complex furnishes the parent [W([triple bond, length as m-dash]CSeC[triple bond, length as...[Show more]
dc.contributor.author | Frogley, Benjamin | |
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dc.contributor.author | Genet, Tobias | |
dc.contributor.author | Hill, Anthony | |
dc.contributor.author | Onn, Chee Sheng | |
dc.date.accessioned | 2020-07-07T02:12:55Z | |
dc.identifier.citation | Dalton Trans., 2019, 48, 7632 | |
dc.identifier.issn | 1477-9226 | |
dc.identifier.uri | http://hdl.handle.net/1885/205883 | |
dc.description.abstract | The reactions of [W([triple bond, length as m-dash]CBr)(CO)2(Tp*)] (Tp* = hydrotris(3,5-dimethylpyrazol-1-yl)borate) with lithium alkynylselenolates LiSeC[triple bond, length as m-dash]CR (R = SiMe3, SiiPr3, nBu, tBu, Ph, p-tolyl) afford the alkynylselenolatoalkylidyne complexes [W([triple bond, length as m-dash]CSeC[triple bond, length as m-dash]CR)(CO)2(Tp*)]. Desilylation of the SiMe3 complex furnishes the parent [W([triple bond, length as m-dash]CSeC[triple bond, length as m-dash]CH)(CO)2(Tp*)], which may be further derivatised by deprotonation and treatment with triphenylcarbenium or triphenylmetal chlorides to give mixed-heteroatom products [W([triple bond, length as m-dash]CSeC[triple bond, length as m-dash]CEPh3)(CO)2(Tp*)] (E = C, Si, Ge, Sn, Pb). This procedure extends to dichlorosilanes, whereby the unusual bimetallic complexes [(Tp*)(CO)2W[triple bond, length as m-dash]CSeC[triple bond, length as m-dash]CSiRR′C[triple bond, length as m-dash]CSeC[triple bond, length as m-dash]W(CO)2(Tp*)] (R, R′ = Ph, CH3) are obtained, bridged by unsaturated units interrupted by two different main-group heteroatoms. Finally, the trimetallic analogues, [{(Tp*)(CO)2W([triple bond, length as m-dash]CSeC[triple bond, length as m-dash]C)}3SiR] (R = Ph, Et), may be prepared in the same manner from appropriate organotrichlorosilanes. | |
dc.description.sponsorship | We gratefully acknowledge the Australian Research Council (DP170102695 and DP130102598) for funding and the Australian National University of the award of a doctoral scholarship to CO. | |
dc.format.mimetype | application/pdf | |
dc.language.iso | en_AU | |
dc.publisher | Royal Society of Chemistry | |
dc.rights | © 2019 The Royal Society of Chemistry | |
dc.source | Dalton Transactions | |
dc.title | Alkynylselenolatoalkylidynes (LnM C-Se-C CR) as building blocks for mixed metal/main-group extended frameworks | |
dc.type | Journal article | |
local.description.notes | Imported from ARIES | |
local.identifier.citationvolume | 48 | |
dcterms.dateAccepted | 2019-04-25 | |
dc.date.issued | 2019-04-29 | |
local.identifier.absfor | 039904 - Organometallic Chemistry | |
local.identifier.absfor | 030207 - Transition Metal Chemistry | |
local.identifier.absfor | 030204 - Main Group Metal Chemistry | |
local.identifier.ariespublication | u3102795xPUB4830 | |
local.publisher.url | https://pubs.rsc.org/ | |
local.type.status | Accepted Version | |
local.contributor.affiliation | Frogley, Benjamin, College of Science, ANU | |
local.contributor.affiliation | Genet, Tobias, College of Science, ANU | |
local.contributor.affiliation | Hill, Anthony, College of Science, ANU | |
local.contributor.affiliation | Onn, Chee Sheng, College of Science, ANU | |
dc.relation | http://purl.org/au-research/grants/arc/DP170102695 | |
dc.relation | http://purl.org/au-research/grants/arc/DP130102598 | |
local.bibliographicCitation.issue | 22 | |
local.bibliographicCitation.startpage | 7632 | |
local.bibliographicCitation.lastpage | 7643 | |
local.identifier.doi | 10.1039/c9dt01504c | |
local.identifier.absseo | 970103 - Expanding Knowledge in the Chemical Sciences | |
local.identifier.absseo | 970102 - Expanding Knowledge in the Physical Sciences | |
dc.date.updated | 2020-05-17T08:22:16Z | |
local.identifier.thomsonID | WOS:000470709700017 | |
dcterms.accessRights | Open Access | |
dc.provenance | https://v2.sherpa.ac.uk/id/publication/18010..."The Accepted Version can be archived in a Non-Commercial Repository. 12 months embargo" from SHERPA/RoMEO site (as at 11/12/2020). | |
Collections | ANU Research Publications |
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