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Volumn , Issue 16, 1996, Pages 2061-2067

From four-fold functionalised [3.3]cyclophanes to belt-shaped and multibridged molecules

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Indexed keywords


EID: 33748902236     PISSN: 0300922X     EISSN: None     Source Type: Journal    
DOI: 10.1039/P19960002061     Document Type: Article
Times cited : (20)

References (48)
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    • (a) D. J. Cram, Nature, 1992, 356, 29;
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    • Cram, D.J.1
  • 24
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    • Diploma Thesis, Bonn
    • (c) J. Harren, Diploma Thesis, Bonn, 1994.
    • (1994)
    • Harren, J.1
  • 29
    • 33748916748 scopus 로고    scopus 로고
    • However, a dimeric form of 8, a tube-shaped molecule containing four benzene units in its framework was not detected
    • (b) However, a dimeric form of 8, a tube-shaped molecule containing four benzene units in its framework was not detected;
  • 32
    • 33748911411 scopus 로고    scopus 로고
    • unpublished results
    • The crystal structure of a conformationally flexible molecule may be influenced by several factors, especially by crystal-packing effects. They have to be taken into consideration in crystal-structure examinations. In our case the directing influence of the included solvent molecule seems to be dominant, as we observed the same effect in various cyclophanes (see ref. 13); F. Vögtle et al., unpublished results.
    • Vögtle, F.1
  • 36
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    • PhD Thesis, Heidelberg
    • (b) P. Neumann, PhD Thesis, Heidelberg, 1973.
    • (1973)
    • Neumann, P.1
  • 38
    • 33748886986 scopus 로고
    • Diploma Thesis, Bonn
    • (b) The required reaction geometry for detosylation in the tube compound is possibly provided by the rigid, three-dimensional molecule skeleton. S. Ohren, Diploma Thesis, Bonn, 1994.
    • (1994)
    • Ohren, S.1
  • 40
    • 33748918100 scopus 로고    scopus 로고
    • unpublished results
    • Similar observations we made with highly insoluble sulfur-bridged multilayered cyclophanes. A. Schröder, S. Breidenbach and F. Vögtle, unpublished results.
    • Schröder, A.1    Breidenbach, S.2    Vögtle, F.3
  • 41
    • 33748899010 scopus 로고    scopus 로고
    • note
    • Definition of distances: height: distance between the tosylaza bridges (centre of a fictive connection line between the two nitrogen atoms) and the phenyl-phenyl bond of the opposite biphenyl; width bottom: distance between the two opposite biphenyls (centre phenyl-phenyl bond); width top: distance between two opposite sulfur bridges (centre of a fictive connection line between two sulfur atoms on each side).
  • 42
    • 84980153124 scopus 로고
    • Proposed nomenclature: Belta-benzeno〈n〉phane; n = number of benzene units. Belta means ribbon- or tube-shaped. For the meaning of 〈 〉 see: cyclophane nomenclature: G. Hohner and F. Vögtle, Chem. Ber., 1977, 110, 3052.
    • (1977) Chem. Ber. , vol.110 , pp. 3052
    • Hohner, G.1    Vögtle, F.2
  • 43
    • 84980154305 scopus 로고
    • O. Fritz GmbH, Normschliff-Aufbaugeräte, Hofheim/Taunus
    • Dilution apparatus: F. Vögtle, Chem. Exp. Didakt., 1975, 1, 15; O. Fritz GmbH, Normschliff-Aufbaugeräte, Hofheim/Taunus.
    • (1975) Chem. Exp. Didakt. , vol.1 , pp. 15
    • Vögtle, F.1
  • 45
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    • Siemens Analytical Instruments Inc., Madison, USA
    • (a) C. M. Sheldrick, SHELXTL-PLUS, Siemens Analytical Instruments Inc., Madison, USA, 1989;
    • (1989) SHELXTL-PLUS
    • Sheldrick, C.M.1
  • 46
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    • University of Göttingen, Germany
    • (b) G. M. Sheldrick, SHELXL-93, University of Göttingen, Germany, 1993.
    • (1993) SHELXL-93
    • Sheldrick, G.M.1
  • 47
    • 0001647167 scopus 로고
    • eds. G. M. Sheldrick, C. Krüger and R. Goddard, Oxford University Press, Oxford, England
    • (a) G. M. Sheldrick, in Crystallographic Computing 3, eds. G. M. Sheldrick, C. Krüger and R. Goddard, Oxford University Press, Oxford, England, 1985, 175-189;
    • (1985) Crystallographic Computing 3 , pp. 175-189
    • Sheldrick, G.M.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.