Non‐Pincer‐Type Mononuclear Scandium Alkylidene Complexes: Synthesis, Bonding, and Reactivity | Zendy

Wang Chen | Zendy; Zhou Jiliang | Zendy; Zhao Xuefei | Zendy; Maron Laurent | Zendy; Leng Xuebing | Zendy; Chen Yaofeng | Zendy

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Non‐Pincer‐Type Mononuclear Scandium Alkylidene Complexes: Synthesis, Bonding, and Reactivity

Author(s) -

Wang Chen,

Zhou Jiliang,

Zhao Xuefei,

Maron Laurent,

Leng Xuebing,

Chen Yaofeng

Publication year - 2016

Publication title -

chemistry – a european journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.687

H-Index - 242

eISSN - 1521-3765

pISSN - 0947-6539

DOI - 10.1002/chem.201504725

Subject(s) - scandium , phenylacetylene , pincer movement , cycloaddition , reactivity (psychology) , chemistry , imine , nucleophile , bond length , medicinal chemistry , crystallography , polymer chemistry , organic chemistry , catalysis , crystal structure , medicine , alternative medicine , pathology

The first non‐pincer‐type mononuclear scandium alkylidene complexes were synthesized and structurally characterized. These complexes exhibited short Sc−C bond lengths and even one of the shortest reported to date (2.1134(18) Å). The multiple character of the Sc−C bond was highlighted by a DFT calculation. This was confirmed by experimental reactivity study where the complex underwent [2+1] cycloaddition with elemental selenium and [2+2] cycloaddition with imine. DFT calculation also revealed a strong nucleophilic behavior of the alkylidene complex that was experimentally demonstrated by the C−H bond activation of phenylacetylene.

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