A New Synthesis of Fused Oxa‐ and Thiacrown Ethers–Thiophene/Furan Oligomers | Zendy

Garzino Frédéric | Zendy; Méou Alain | Zendy; Brun Pierre | Zendy

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A New Synthesis of Fused Oxa‐ and Thiacrown Ethers–Thiophene/Furan Oligomers

Author(s) -

Garzino Frédéric,

Méou Alain,

Brun Pierre

Publication year - 2011

Publication title -

helvetica chimica acta

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.74

H-Index - 82

eISSN - 1522-2675

pISSN - 0018-019X

DOI - 10.1002/hlca.201000147

Subject(s) - chemistry , furan , thiophene , dehydrogenation , intramolecular force , oligomer , sequence (biology) , stereochemistry , organic chemistry , catalysis , biochemistry

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 Mn III ‐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 Pb 2+ cations.

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