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- Publisher Website: 10.1039/c0dt01380c
- Scopus: eid_2-s2.0-79954586786
- PMID: 21409198
- WOS: WOS:000289686600008
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Article: N-heterocyclic carbene Pt(ii) complexes from caffeine: Synthesis, structures and photoluminescent properties
| Title | N-heterocyclic carbene Pt(ii) complexes from caffeine: Synthesis, structures and photoluminescent properties |
|---|---|
| Authors | |
| Issue Date | 2011 |
| Citation | Dalton Transactions, 2011, v. 40, n. 17, p. 4402-4406 How to Cite? |
| Abstract | The caffeine-derived N-heterocyclic carbene (NHC) complex [Pt II(CN)(NHC)Cl] (CN = 2-phenylpyridine), 4 has the opposite stereochemistry and a shorter Pt-Ccarbene bond compared to that of an analogous benzimidazole-derived N,N-heterocyclic carbene (NNHC) Pt complex 2. These suggest a lower trans influence of pyridyl N compared to cyclometallated carbon and an increased Pt-NHC π-backbonding because of decreased π-donation resulting from conjugation to the electron deficient pyrimidine of caffeine. Complex 4 has a lower emission quantum yield (Φ) and is blue-shifted into the green region of the visible spectrum relative to non-carbene Pt(ii) cyclometalated complex 5. © 2011 The Royal Society of Chemistry. |
| Persistent Identifier | http://hdl.handle.net/10722/219650 |
| ISSN | 2021 Impact Factor: 4.569 2020 SCImago Journal Rankings: 0.980 |
| ISI Accession Number ID |
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Hu, Jian Jin | - |
| dc.contributor.author | Bai, Shi Qiang | - |
| dc.contributor.author | Yeh, Hsiu Hsuan | - |
| dc.contributor.author | Young, David J. | - |
| dc.contributor.author | Chi, Yun | - |
| dc.contributor.author | Hor, T. S Andy | - |
| dc.date.accessioned | 2015-09-23T02:57:37Z | - |
| dc.date.available | 2015-09-23T02:57:37Z | - |
| dc.date.issued | 2011 | - |
| dc.identifier.citation | Dalton Transactions, 2011, v. 40, n. 17, p. 4402-4406 | - |
| dc.identifier.issn | 1477-9226 | - |
| dc.identifier.uri | http://hdl.handle.net/10722/219650 | - |
| dc.description.abstract | The caffeine-derived N-heterocyclic carbene (NHC) complex [Pt II(CN)(NHC)Cl] (CN = 2-phenylpyridine), 4 has the opposite stereochemistry and a shorter Pt-Ccarbene bond compared to that of an analogous benzimidazole-derived N,N-heterocyclic carbene (NNHC) Pt complex 2. These suggest a lower trans influence of pyridyl N compared to cyclometallated carbon and an increased Pt-NHC π-backbonding because of decreased π-donation resulting from conjugation to the electron deficient pyrimidine of caffeine. Complex 4 has a lower emission quantum yield (Φ) and is blue-shifted into the green region of the visible spectrum relative to non-carbene Pt(ii) cyclometalated complex 5. © 2011 The Royal Society of Chemistry. | - |
| dc.language | eng | - |
| dc.relation.ispartof | Dalton Transactions | - |
| dc.title | N-heterocyclic carbene Pt(ii) complexes from caffeine: Synthesis, structures and photoluminescent properties | - |
| dc.type | Article | - |
| dc.description.nature | link_to_subscribed_fulltext | - |
| dc.identifier.doi | 10.1039/c0dt01380c | - |
| dc.identifier.pmid | 21409198 | - |
| dc.identifier.scopus | eid_2-s2.0-79954586786 | - |
| dc.identifier.volume | 40 | - |
| dc.identifier.issue | 17 | - |
| dc.identifier.spage | 4402 | - |
| dc.identifier.epage | 4406 | - |
| dc.identifier.eissn | 1477-9234 | - |
| dc.identifier.isi | WOS:000289686600008 | - |
| dc.identifier.issnl | 1477-9226 | - |