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Issue 4, 2008
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Extending helicity—capturing the helical character of longer ortho-phenylene ethynylene oligomers

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Abstract

New ortho-phenylene ethynylene oligomers are shown to fold into helices of up to two full turns. Evidence of folding is shown by both 1D NMR, where π–π stacking is explored through both solvent and temperature titrations, as well as by 2D ROESY NMR which confirmed folding but also showed the dynamic nature of these helices through the flipping of the terminal TMS group into and out of a hydrophobic pocket created when the helix forms.

Graphical abstract: Extending helicity—capturing the helical character of longer ortho-phenylene ethynylene oligomers

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Publication details

The article was received on 14 Sep 2007, accepted on 19 Dec 2007 and first published on 25 Jan 2008


Article type: Paper
DOI: 10.1039/B714237B
New J. Chem., 2008,32, 676-679

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    Extending helicity—capturing the helical character of longer ortho-phenylene ethynylene oligomers

    T. V. Jones, M. M. Slutsky and G. N. Tew, New J. Chem., 2008, 32, 676
    DOI: 10.1039/B714237B

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