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Issue 11, 2004
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Diaminotriazine substituted 1,3-alternate calix[4]arenes

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Abstract

The synthesis and crystal structures of two calix[4]arenes adopting the 1,3-alternate conformation substituted at the wide rim with diaminotriazine moieties are described. The crystal structure of the disubstituted calixarene 8 is governed by the diaminotriazine moieties which form infinite bands through hydrogen bonding. Around the diaminotriazine bands the calix[4]arene backbones are placed. In contrast hydrogen bonding between the diaminotriazine moieties of the tetrasubstituted calixarene 9 favour face to face complexes resulting in infinite strands. Hydrogen bonds in both compounds 8 and 9 are broken by polar solvents as the 1H NMR spectra in DMSO-d6 indicates.

Graphical abstract: Diaminotriazine substituted 1,3-alternate calix[4]arenes

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Publication details

The article was received on 07 Jun 2004, accepted on 17 Sep 2004 and first published on 18 Oct 2004


Article type: Paper
DOI: 10.1039/B408592B
Citation: New J. Chem., 2004,28, 1335-1339
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    Diaminotriazine substituted 1,3-alternate calix[4]arenes

    O. G. Barton, M. Schmidtmann, A. Müller and J. Mattay, New J. Chem., 2004, 28, 1335
    DOI: 10.1039/B408592B

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