Hexaaryl[3]radialenes

Tetrahedron Letters

Volumn 38, Issue 15, 1997, Pages 2693-2696

  Enomoto, Tetsuya ^a   Kawase, Takeshi ^a   Kurata, Hiroyuki ^a   Oda, Masaji ^a  

^a OSAKA UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

CYCLOPROPANE DERIVATIVE; POLYCYCLIC HYDROCARBON; THIOPHENE DERIVATIVE;

ARTICLE; DRUG SYNTHESIS; IN VITRO STUDY; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; X RAY CRYSTALLOGRAPHY;

EID: 0030987128     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(97)00431-0     Document Type: Article

References (25)

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16. Unpublished result in our laboratory.
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18. 14) as standards.
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20. W. S. Matthews, J. E. Bares, J. E. Bartness, F. G. Bordwell, F. J. Cornforth, G. E. Drucker, Z. Margolin, R. J. McGallum, G. J. McCollum, N. R. Vanier, J. Am. Chem. Soc. 1975, 97, 7006-7014.
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22. 1H-NMR (600 MHz, 30 °C): δ = 6.74 (somewhat br. d due to dynamic process, J = 8.6 Hz, 16H), 6.82 (somewhat br. t, J = 8.6 Hz, 16H), 6.92 (somewhat br. t, J = 8.6 Hz, 8H).
23. -3, MoK α radiation, 2θ ≤ 50° 6578 unique reflections, T = 296 K. The structure was solved by direct methods (SHELXS-86) and refined with the TEXSAN crystallographic software package of Molecular Structure Corporation. All the non-hydrogen atoms were refined anisotropically. Final R = 0.067, Rw = 0.074 for 514 variables and 1668 observed reflections with F > 5σ. Further details of the crystal structure investigations may be obtained from the director of the Cambridge Crystallographic Data Centre, 12 Union Road, GB-Cambridge CB2 1EZ (UK), on quoting the full journal citation.
24. R. R. Fraser, T. S. Mansour, J. Org. Chem. 1984, 49, 3443-3444; ibid. 1984, 49, 5284.
25. R. R. Fraser, T. S. Mansour, J. Org. Chem. 1984, 49, 3443-3444; ibid. 1984, 49, 5284.