ω‐Alkyne‐Mono‐ and Diphosphonates – Synthesis and Sonogashira Cross‐Coupling Reaction with Aryl Halides
Authors:
- 16 February 2007
- journal article
- Published by Wiley in European Journal of Organic Chemistry
- Vol. 2007 (8) , 1274-1286
Abstract
A convergent approach to functionalise aromatic compounds with a linker terminated by a phosphonate group is reported. The starting point of this strategy is the synthesis of five new ω‐alkyne‐phosphonates. The linker between the phosphonate group and the alkyne part is either an alkyl or an ether chain. This strategy is based on the use of the phosphonate group as the anchoring point for the attachment of organic compounds onto alumina and the alkyne group, which is used to functionalise aryl halide compounds by a Sonogashira cross‐coupling. The use of 1,10‐phenanthroline as substrate illustrates the application of this strategy to an aromatic ligand. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2007)Keywords
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