Journal Articles Helvetica Chimica Acta Year : 2011

A new synthesis of fused oxa- and thiacrown ethers-thiophene/furan oligomers

P. Brun

Abstract

We have developed a two-step sequence for preparing a series of macrocyclic oxa- and thiacrown ethers affixed to a thiophene/furan oligomer. The sequence involves the intramolecular MnIII-promoted cyclization of linear diester precursors into 2,3-dihydrofurans, whose dehydrogenation furnishes the title compounds. A preliminary NMR study has shown that one of them seems to specifically chelate Pb2+ cations.

Dates and versions

hal-00581230 , version 1 (30-03-2011)

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F. Garzino, A. Meou, P. Brun. A new synthesis of fused oxa- and thiacrown ethers-thiophene/furan oligomers. Helvetica Chimica Acta, 2011, 94 (1), pp.18-27. ⟨10.1002/hlca.201000147⟩. ⟨hal-00581230⟩
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