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4-Halo-1,2,3-triazolylidenes: Stable Carbenes Featuring Halogen Bonding

Abstract

Synthesis and coordination of 4-halo-1,2,3-triazolylidenes have been developed. These novel ligands featured the character with σ-donation at carbon and a σ-hole at halogen. Halogen bonding was observed by single crystal X-ray diffraction in their coinage metal complexes. The electronic properties of 4-iodo-1,2,3-triazolylidene were studied by both Ir-CO frequencies of Tolman electronic parameter (TEP) and Huynh’s electronic parameter (HEP) method, which suggested similar electronic properties with that of imidazolylidenes. During HEP test, an interesting tunability was observed when different electron donors were employed.

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Publication details

The article was received on 08 Mar 2019, accepted on 12 Apr 2019 and first published on 12 Apr 2019


Article type: Paper
DOI: 10.1039/C9DT01018A
Citation: Dalton Trans., 2019, Accepted Manuscript

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    4-Halo-1,2,3-triazolylidenes: Stable Carbenes Featuring Halogen Bonding

    X. Xu, Z. Zhang, S. Huang, L. Cao, W. Liu and X. Yan, Dalton Trans., 2019, Accepted Manuscript , DOI: 10.1039/C9DT01018A

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