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Dianionic Carbon‐Bridged Scandium–Copper/Silver Heterobimetallic Complexes: Synthesis, Bonding, and Reactivity
Author(s) -
Wang Chen,
Xiang Li,
Yang Yan,
Fang Jian,
Maron Laurent,
Leng Xuebing,
Chen Yaofeng
Publication year - 2018
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.201706147
Subject(s) - scandium , reactivity (psychology) , copper , transmetalation , chemistry , metal , inorganic chemistry , polymer chemistry , crystallography , catalysis , organic chemistry , medicine , alternative medicine , pathology
Alkylidene‐bridged scandium–copper/silver heterobimetallic complexes were synthesized and structurally characterized. The complexes contain different Sc−C and M−C (M=Cu I , Ag I ) bonds. The reactivity of the scandium–copper heterobimetallic complex was also studied, which reveals that the heterobimetallic complex is a reaction intermediate for the transmetalation of akylidene group from Sc III to Cu I . The scandium–copper heterobimetallic complex also undergoes an addition reaction with CO, resulting in the formation of a new C=C double bond. DFT calculations were used to study the bonding and the subsequent reactivity with CO of the scandium–copper heterobimetallic complex. It clearly demonstrates a cooperative effect between the two metal centers through the formation of a direct Sc⋅⋅⋅Cu interaction that drives the reactivity with CO.