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Volumn 14, Issue 28, 2008, Pages 8514-8520

Molecules with new topologies derived from hydrogen-bonded dimers of tetraurea calix[4]arenes

Author keywords

Calixarenes; Dimers; Knots; Macrocycles; Topology

Indexed keywords

AROMATIC COMPOUNDS; HYDROGEN; OLIGOMERS;

EID: 53849121654     PISSN: 09476539     EISSN: 15213765     Source Type: Journal    
DOI: 10.1002/chem.200801268     Document Type: Article
Times cited : (18)

References (34)
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    • Eds, J.-P. Sauvage, C. Dietrich-Buchecker, Wiley-VCH, Weinheim, for a recent appealing example
    • Molecular Catenanes, Rotaxanes, and Knots (Eds.: J.-P. Sauvage, C. Dietrich-Buchecker), Wiley-VCH, Weinheim, 1999; for a recent appealing example,
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    • For reviews, see
    • For reviews, see: J. Rebek, Jr., Chem. Commun. 2000, 637-643;
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    • For the heterodimerization of aryl and losylureas, see
    • For the heterodimerization of aryl and losylureas, see: R. K. Castellano, B. H. Kim, J. Rebek, Jr., J. Am. Chem. Soc. 1997, 119, 12671-12672;
    • (1997) J. Am. Chem. Soc , vol.119 , pp. 12671-12672
    • Castellano, R.K.1    Kim, B.H.2    Rebek Jr., J.3
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    • 33845474499 scopus 로고    scopus 로고
    • Angew. Chem. Int. Ed. 2006, 45, 8051-8055.
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    • This was shown for homodimers of tetraalkenyl tetraureas, which gave in addition to bis[2]calenanes (2 a connections) doubly bridged monocatenanes (α and β connection) and tetrabridged dimers 2 β connections, see M. O. Vysotsky, M. Bolte, I. Thondorf, V. Böhmer, Chem. Eur. J. 2003, 9, 3375-3382
    • This was shown for homodimers of tetraalkenyl tetraureas, which gave in addition to bis[2]calenanes (2 a connections) doubly bridged monocatenanes (α and β connection) and tetrabridged dimers (2 β connections); see M. O. Vysotsky, M. Bolte, I. Thondorf, V. Böhmer, Chem. Eur. J. 2003, 9, 3375-3382.
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    • D. Braekers, C. Peters, A. Bogdan, Y. Rudzevich, V. Böhmer, J. F. Desreux, I Org. Chem. 2008, 73, 701-706;
    • D. Braekers, C. Peters, A. Bogdan, Y. Rudzevich, V. Böhmer, J. F. Desreux, I Org. Chem. 2008, 73, 701-706;
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    • The two few-butyl groups in the 3,5-position are identical due to fast rotation around the aryl-N bond.
    • The two few-butyl groups in the 3,5-position are identical due to fast rotation around the aryl-N bond.
  • 26
    • 0036026897 scopus 로고    scopus 로고
    • Despite their size, tetraethylammonium cations are preferentially included as guest: for an X-ray structure, see
    • Despite their size, tetraethylammonium cations are preferentially included as guest: for an X-ray structure, see: I. Thondorf, F. Broda, K. Rissanen, M. Vysotsky, V. Böhmer, J. Chem. Soc. Perkin Trans. 2 2002, 1796-1800:
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    • Thondorf, I.1    Broda, F.2    Rissanen, K.3    Vysotsky, M.4    Böhmer, V.5
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    • this inclusion has been used for the mass spectroscopic analysis of dimeric capsules, see: C. A. Schalley, R. K. Castellano, M. S. Brody, D. M. Rudkevich, G. Siuzdak, J. Rebek, Jr., J. Am. Chem. Soc. 1999, 121, 4568-4579.
    • this inclusion has been used for the mass spectroscopic analysis of dimeric capsules, see: C. A. Schalley, R. K. Castellano, M. S. Brody, D. M. Rudkevich, G. Siuzdak, J. Rebek, Jr., J. Am. Chem. Soc. 1999, 121, 4568-4579.
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    • For further crystal structures of tetraurea dimers. see ref. [11] and O. Molokanova, A. Bogdan, M. O. Vysotsky, M. Bolte, T. Ikai, Y. Okamoto, V. Böhmer, Chem. Eur. J. 2007, 13, 6157-6170:
    • For further crystal structures of tetraurea dimers. see ref. [11] and O. Molokanova, A. Bogdan, M. O. Vysotsky, M. Bolte, T. Ikai, Y. Okamoto, V. Böhmer, Chem. Eur. J. 2007, 13, 6157-6170:
  • 31
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    • These values are the average for two crystallographically independent molecules present also in the former structure
    • These values are the average for two crystallographically independent molecules present also in the former structure.


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