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Front Cover: Ligand‐ and Metal‐Based Reactivity of a Neutral Ruthenium Diolefin Diazadiene Complex: The Innocent, the Guilty and the Suspicious (Chem. Eur. J. 21/2018)
Author(s) -
Sinha Vivek,
Pribanic Bruno,
de Bruin Bas,
Trincado Monica,
Grützmacher Hansjörg
Publication year - 2018
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201800438
Subject(s) - reactivity (psychology) , ligand (biochemistry) , chemistry , moiety , ruthenium , resonance (particle physics) , stereochemistry , electronic structure , front cover , metal , molecule , computational chemistry , cover (algebra) , physics , catalysis , organic chemistry , atomic physics , medicine , mechanical engineering , biochemistry , receptor , alternative medicine , pathology , engineering
Wanted: dead or alive ! Non‐innocent ligands not only give rise to interesting electronic structures, but can also trigger unexpected ligand‐centered reactivity. The diazadiene diolefin (trop 2 dad) molecule is a “pure‐blood” example. Several resonance structures contribute to the electronic structure of [Ru(trop 2 dad)], which shows both ligand‐ and metal‐centered reactivity. Furthermore, reaction‐profile calculations show that trop 2 dad ligand radical contributions give rise to lower barriers in reactions involving the dad moiety. Hence, the “suspicious” trop 2 dad ligand is neither fully “innocent”, nor completely “guilty”. The Front Cover is a wink to the classic western “The Good, The bad and the Ugly”. More information can be found in the Full Paper by B. de Bruin, M. Trincado, H. Grützmacher et al. on page 5513.