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Reversible Intramolecular Coupling of the Terminal Borylene and a Carbonyl Ligand of [Cp(CO) 2 MnB t Bu]
Author(s) -
Braunschweig Holger,
Radacki Krzysztof,
Shang Rong,
Tate Christopher W.
Publication year - 2013
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.201207017
Subject(s) - intramolecular force , intermolecular force , chemistry , ligand (biochemistry) , bridging (networking) , bridging ligand , stereochemistry , computational chemistry , crystallography , molecule , computer science , crystal structure , organic chemistry , computer network , biochemistry , receptor
Cyclic complex 2 with bridging carbonyl ligands was synthesized from a facile and reversible intermolecular carbonyl–borylene ligand coupling reaction at room temperature. Complex 2 exhibits an unprecedented coordination mode for boron–metal complexes, which is also reflected in its remarkable 11 B NMR chemical shift of −57.2 ppm. Findings from spectroscopic, X‐ray, and computational studies are presented, along with a proposed mechanism.