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Metal-indolizine zwitterion complexes as a new class of organometallic material: A spectroscopic and theoretical investigation
Chung L.-H.2; Yeung C.-F.2; Ma D.-L.1; Leung C.-H.3; Wong C.-Y.2
2014-07-14
Source PublicationOrganometallics
ISSN15206041 02767333
Volume33Issue:13Pages:3443-3452
Abstract

Indolizine zwitterion coordinated metal species have been commonly proposed as intermediates in the mechanisms of metal-catalyzed cycloisomerization of propargylic pyridines for indolizines. Yet, it is only recently that the first metal-indolizine complexes have been isolated by our group. Considering from the perspective of molecular materials, the π-interaction between the d (M) and the π-system of the indolizine skeleton in the electronic ground or excited states may allow charge delocalization and offer functionalities for optoelectronic applications. We herein report the synthesis and spectroscopic and theoretical investigations on two classes of Ru-indolizine zwitterion complexes. The synthetic strategy employed, i.e., cycloisomerization of propargylic pyridines, represents a general preparation method for stable metal-indolizine complexes. Indolizine zwitterions in this work have been found to exhibit strong trans effect. Spectroscopic studies on these complexes reveals the tunability of the π*(indolizine) level and its impact on the luminophores nearby. Overall, indolizine zwitterion represents a new class of organometallic ligand with high potential in the design of functional molecular electronic/photonic elements.

DOI10.1021/om5003705
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaChemistry
WOS SubjectChemistry, Inorganic & Nuclear ; Chemistry, Organic
WOS IDWOS:000339090700025
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Cited Times [WOS]:27   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionInstitute of Chinese Medical Sciences
Corresponding AuthorWong C.-Y.
Affiliation1.Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong SAR, People’s Republic of China
2.Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong SAR, People’s Republic of China
3.State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, People’s Republic of China
Recommended Citation
GB/T 7714
Chung L.-H.,Yeung C.-F.,Ma D.-L.,et al. Metal-indolizine zwitterion complexes as a new class of organometallic material: A spectroscopic and theoretical investigation[J]. Organometallics,2014,33(13):3443-3452.
APA Chung L.-H.,Yeung C.-F.,Ma D.-L.,Leung C.-H.,&Wong C.-Y..(2014).Metal-indolizine zwitterion complexes as a new class of organometallic material: A spectroscopic and theoretical investigation.Organometallics,33(13),3443-3452.
MLA Chung L.-H.,et al."Metal-indolizine zwitterion complexes as a new class of organometallic material: A spectroscopic and theoretical investigation".Organometallics 33.13(2014):3443-3452.
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