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- Title
A B-C Double Bond Unit Coordinated to Platinum: An Alkylideneboryl Ligand that Is Isoelectronic to Neutral Aminoborylene Ligands.
- Authors
Brand, Johannes; Braunschweig, Holger; Hupp, Florian; Phukan, Ashwini K.; Radacki, Krzysztof; Sen, Sakya S.
- Abstract
The reaction of [Pt(PCy3)2] with Br2B-CH(SiMe3)2 resulted in generation of the first alkylideneboryl complex, trans-[Br(Cy3P)2Pt{BCH(SiMe3)}], with concomitant elimination of Me3SiBr. The trans bromide ligand of the alkylideneboryl complex was readily substituted by a methyl group upon treatment with methyllithium, leading to another alkylideneboryl complex, trans-[Me(Cy3P)2Pt{BCH(SiMe3)}]. Various spectrochemical techniques, single-crystal X-ray crystallography, and quantum chemical calculations confirmed the formulation of a double bond between the boron and the carbon atom. The theoretical studies also provided evidence for the stronger trans influence of the alkylideneboryl ligand over iminoboryl and oxoboryl ligands.
- Subjects
MOLECULAR structure of ligands; METHYL groups; ISOELECTRONIC sequences; DOUBLE bonds; PLATINUM; QUANTUM chemistry
- Publication
Angewandte Chemie International Edition, 2014, Vol 53, Issue 8, p2240
- ISSN
1433-7851
- Publication type
Article
- DOI
10.1002/anie.201310557