Unusual Regioselectivity in the Reactions of Chlorocyclophosphazene-Containing Crown Ethers with Dinucleophiles

Krystyma Brandt Institute of Polymer Chemistry, Polish Academy of Sciences, 41-800, Zabrze, M.Curie Sldodowskiej 34

Iwana Porwolik Institute of Polymer Chemistry, Polish Academy of Sciences, 41-800, Zabrze, M.Curie Sldodowskiej 34

K. Placha Institute of Polymer Chemistry, Polish Academy of Sciences, 41-800, Zabrze, M.Curie Sldodowskiej 34

T. Kupka Institute of Polymer Chemistry, Polish Academy of Sciences, 41-800, Zabrze, M.Curie Sldodowskiej 34

A. Olejnik Institute of Polymer Chemistry, Polish Academy of Sciences, 41-800, Zabrze, M.Curie Sldodowskiej 34

Robert. A. Shaw Department of Chemistry, Birkbeck College London University, London, WC1H OPP, U.K.

David B. Davies Department of Chemistry, Birkbeck College London University, London, WC1H OPP, U.K.

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Abstract

New macrocyclic ligands with cyclophosphazene sub-units, representing geminally diamino-bridged derivatives of BINO-crown type (III), and bisansa-cyclosubstituted ones of chiral PNP cryptand type (IV) have been obtained by the regioselective substitution reactions of monoansa(oxytetraethylenoxy) reactive PNP-crown, N₃P3CI₄[O(CH₂CH20)₄] (II) with the dinucleophiles, like alkylenediamines or sodium diarylates. The supramolecular control of these processes is discussed.

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Unusual Regioselectivity in the Reactions of Chlorocyclophosphazene-Containing Crown Ethers with Dinucleophiles

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Unusual Regioselectivity in the Reactions of Chlorocyclophosphazene-Containing Crown Ethers with Dinucleophiles

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