Regioselective [2+2] and [4+2] cycloaddition reactivity in an asymmetric niobium(bisimido) moiety towards unsaturated organic molecules

A. H. Obenhuber; T. L. Gianetti; R. G. Bergman; J. Arnold

doi:10.1039/c4cc07851a

Regioselective [2+2] and [4+2] cycloaddition reactivity in an asymmetric niobium(bisimido) moiety towards unsaturated organic molecules

A. H. Obenhuber, T. L. Gianetti, R. G. Bergman, J. Arnold

Research output: Contribution to journal › Article › peer-review

25 Scopus citations

Abstract

The asymmetric bis-imido structure and the lability of the diethyl ether linkage in complex 1 provide a niobium complex that undergoes regioselective [4+2] cycloaddition reactions with an α,β-unsaturated ketone and cycloaddition reactions that involve bond formation to the MAD ligand (MonoAzabutaDiene). DFT calculations have been used to support an initial azametallacyclobutene intermediate in the alkyne reaction. This journal is

Original language	English (US)
Pages (from-to)	1278-1281
Number of pages	4
Journal	Chemical Communications
Volume	51
Issue number	7
DOIs	https://doi.org/10.1039/c4cc07851a
State	Published - Jan 25 2015
Externally published	Yes

ASJC Scopus subject areas

Catalysis
Electronic, Optical and Magnetic Materials
Ceramics and Composites
General Chemistry
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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AU - Obenhuber, A. H.

AU - Gianetti, T. L.

AU - Bergman, R. G.

AU - Arnold, J.

N1 - Publisher Copyright: © The Royal Society of Chemistry 2015.

PY - 2015/1/25

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AB - The asymmetric bis-imido structure and the lability of the diethyl ether linkage in complex 1 provide a niobium complex that undergoes regioselective [4+2] cycloaddition reactions with an α,β-unsaturated ketone and cycloaddition reactions that involve bond formation to the MAD ligand (MonoAzabutaDiene). DFT calculations have been used to support an initial azametallacyclobutene intermediate in the alkyne reaction. This journal is

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Regioselective [2+2] and [4+2] cycloaddition reactivity in an asymmetric niobium(bisimido) moiety towards unsaturated organic molecules

Abstract

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