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Insertion of (E)-(1,2-dihalovinyl)lithium and (2-haloethynyl)lithium into zirconacycles

Insertion of (E)-(1,2-dihalovinyl)lithium and (2-haloethynyl)lithium into zirconacycles
Insertion of (E)-(1,2-dihalovinyl)lithium and (2-haloethynyl)lithium into zirconacycles
Insertion of (E)-(1,2-dihalovinyl)lithium into zirconacyclopentenes was followed by elimination of halide to afford an alkyne which inserts intramolecularly into the resulting carbon-zirconocenium bond to give a methylenecyclopentene, whereas insertion of (2-haloethynyl)lithium gives the same product via a zirconocene alkenylidene.
cyclization, derivatives
1359-7345
1214-1215
Norton, David
4c63fcf9-0fc8-4623-b414-443d4658bbed
Whitby, Richard J.
45632236-ab00-4ad0-a02d-6209043e818b
Griffen, Ed
0a8546b3-ebb1-44f4-8410-53730d606db5
Norton, David
4c63fcf9-0fc8-4623-b414-443d4658bbed
Whitby, Richard J.
45632236-ab00-4ad0-a02d-6209043e818b
Griffen, Ed
0a8546b3-ebb1-44f4-8410-53730d606db5

Norton, David, Whitby, Richard J. and Griffen, Ed (2004) Insertion of (E)-(1,2-dihalovinyl)lithium and (2-haloethynyl)lithium into zirconacycles. Chemical Communications, (10), 1214-1215. (doi:10.1039/b403337j).

Record type: Article

Abstract

Insertion of (E)-(1,2-dihalovinyl)lithium into zirconacyclopentenes was followed by elimination of halide to afford an alkyne which inserts intramolecularly into the resulting carbon-zirconocenium bond to give a methylenecyclopentene, whereas insertion of (2-haloethynyl)lithium gives the same product via a zirconocene alkenylidene.

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More information

Published date: 21 May 2004
Additional Information: ChemComm
Keywords: cyclization, derivatives

Identifiers

Local EPrints ID: 20295
URI: http://eprints.soton.ac.uk/id/eprint/20295
ISSN: 1359-7345
PURE UUID: b2b33df2-140b-4867-aa3d-5b63678706c2
ORCID for Richard J. Whitby: ORCID iD orcid.org/0000-0002-9891-5502

Catalogue record

Date deposited: 20 Feb 2006
Last modified: 16 Mar 2024 02:33

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Contributors

Author: David Norton
Author: Ed Griffen

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