Volume 39, Issue 16 pp. 2922-2924
Communication

Template Synthesis of the First 1,4,7-Triphosphacyclononane Derivatives

Peter G. Edwards Prof.

Peter G. Edwards Prof.

Department of Chemistry Cardiff University PO Box 912, Cardiff, CF10 3TB (UK) Fax: (+44) 29-20874083

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Paul D. Newman Dr.

Paul D. Newman Dr.

Department of Chemistry Cardiff University PO Box 912, Cardiff, CF10 3TB (UK) Fax: (+44) 29-20874083

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K. M. Abdul Malik Dr.

K. M. Abdul Malik Dr.

Department of Chemistry Cardiff University PO Box 912, Cardiff, CF10 3TB (UK) Fax: (+44) 29-20874083

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This work was funded by the UK Engineering and Physical Sciences Research Council.

Abstract

The base-catalyzed cyclization of 1,2-bis(phosphanyl)ethane with trivinylphosphane on a pentamethylcyclopentadienyl iron template results in the high-yield synthesis of the first triphosphacyclononane derivative containing one vinyl-functionalized and two secondary phosphanes. The vinyl triphosphacyclononane is readily hydrogenated and alkylated to give the tritertiary 1,4,7-triethyltriphosphane macrocycle 1.

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