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Volumn 118, Issue 1, 1996, Pages 245-246

Sugar-controlled aggregate formation in boronic acid-appended porphyrin amphiphiles

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EID: 0346528311     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja953323h     Document Type: Article
Times cited : (73)

References (39)
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    • For saccharide recognition studies reported by other groups, see: Wulff. G.; Krieger, S.; Kubnewes, B.; Steisel, A. J. Am. Chem. Soc. 1994, 116, 409. Paugan, M.-F.; Smith, B. D. Tetrahedron Lett. 1993, 34, 3723. Mohler, L. K.; Czarnic, A. W J. Am. Chem. Soc. 1993, 115, 7037
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    • Wulff, G.1    Krieger, S.2    Kubnewes, B.3    Steisel, A.4
  • 31
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    • For saccharide recognition studies reported by other groups, see: Wulff. G.; Krieger, S.; Kubnewes, B.; Steisel, A. J. Am. Chem. Soc. 1994, 116, 409. Paugan, M.-F.; Smith, B. D. Tetrahedron Lett. 1993, 34, 3723. Mohler, L. K.; Czarnic, A. W J. Am. Chem. Soc. 1993, 115, 7037
    • (1993) Tetrahedron Lett. , vol.34 , pp. 3723
    • Paugan, M.-F.1    Smith, B.D.2
  • 32
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    • For saccharide recognition studies reported by other groups, see: Wulff. G.; Krieger, S.; Kubnewes, B.; Steisel, A. J. Am. Chem. Soc. 1994, 116, 409. Paugan, M.-F.; Smith, B. D. Tetrahedron Lett. 1993, 34, 3723. Mohler, L. K.; Czarnic, A. W J. Am. Chem. Soc. 1993, 115, 7037
    • (1993) J. Am. Chem. Soc. , vol.115 , pp. 7037
    • Mohler, L.K.1    Czarnic, A.W.2
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    • note
    • 19a,b
  • 34
    • 85033835337 scopus 로고    scopus 로고
    • note
    • Because of the similar solubility problem. we could not measure DSC and TEM in the absence of saccharides.
  • 35
    • 85033861787 scopus 로고    scopus 로고
    • note
    • -3 M and [fructose] = 0.50 M in water - methanol, 15:1 v/v (pH 10.0 with 0.10 M carbonate buffer). The methanol concentration is higher than the standard concentration (i.e., water - methanol, 300:1 v/v) in order to carry out the measurement at the higher 2 concentration.
  • 36
    • 0001275339 scopus 로고
    • and references cited therein
    • This propasal is consistent with recent NMR spectroscopic studies: Norrild, J. C.; Eggert, H J Am. Chem. Soc. 1995, 117, 1479 and references cited therein, James, T. D.; Sandanayake, K. R. A S.; Iguchi, R.; Shinkai, S. J. Am. Chem. Soc. 1995, 117, 8982.
    • (1995) J Am. Chem. Soc. , vol.117 , pp. 1479
    • Norrild, J.C.1    Eggert, H.2
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    • This propasal is consistent with recent NMR spectroscopic studies: Norrild, J. C.; Eggert, H J Am. Chem. Soc. 1995, 117, 1479 and references cited therein, James, T. D.; Sandanayake, K. R. A S.; Iguchi, R.; Shinkai, S. J. Am. Chem. Soc. 1995, 117, 8982.
    • (1995) J. Am. Chem. Soc. , vol.117 , pp. 8982
    • James, T.D.1    Sandanayake, K.R.A.S.2    Iguchi, R.3    Shinkai, S.4
  • 38
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    • note
    • In Furhop's porphyrin system it took 3 months for 1 to grow as fibrous aggregates. In our system, 30 s sonication reproducibly resulted in the oriented aggregates.
  • 39
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    • note
    • Since the addition of uranyl acetate before sonicarion changes the solution pH and affects the boronic acid-monosaccharide complexation equilibrium, this method cannot be used. However, even though uranyl acetate was added after sonication, a shadowy string was observed in the center of a fibrous aggregate (see Figure 2). This suggests that the aggregates are tubular hollow fibers


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