Abnormally Bound N‐Heterocyclic Carbene Complexes of Ruthenium: CH Activation of Both C4 and C5 Positions in the Same Ligand | Zendy

Ellul Charles E. | Zendy; Mahon Mary F. | Zendy; Saker Olly | Zendy; Whittlesey Michael K. | Zendy

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Abnormally Bound N‐Heterocyclic Carbene Complexes of Ruthenium: CH Activation of Both C4 and C5 Positions in the Same Ligand

Author(s) -

Ellul Charles E.,

Mahon Mary F.,

Saker Olly,

Whittlesey Michael K.

Publication year - 2007

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200701930

Subject(s) - carbene , ruthenium , denticity , chemistry , ligand (biochemistry) , stereochemistry , medicinal chemistry , photochemistry , crystallography , polymer chemistry , catalysis , crystal structure , organic chemistry , receptor , biochemistry

A bit unusual : “Abnormal” carbene formation from a free monodentate N‐heterocyclic carbene occurs upon the room temperature reaction of [Ru 3 (CO) 12 ] with 1,3‐di‐ tert ‐butylimidazol‐2‐ylidene. Subsequent heating leads to CH activation at the remaining C5 position to afford a μ 3 ‐bridging heterocycle, which is eliminated as imidazolium upon reaction with H 2 .

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