Transformations of a macrocyclic cyclophane belt into advanced [8]cyclacene and [8]cyclacene triquinone precursors

Tetrahedron Letters

Volumn 37, Issue 12, 1996, Pages 1987-1990

  Cory, Robert M ^a   McPhail, Cameron L ^a  

^a UNIVERSITY OF WESTERN ONTARIO   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

MACROCYCLIC COMPOUND; PHENANTHRENE DERIVATIVE;

ARTICLE; DRUG STRUCTURE; DRUG SYNTHESIS; NUCLEAR MAGNETIC RESONANCE; REACTION ANALYSIS;

EID: 0029881193     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/0040-4039(96)00264-X     Document Type: Article

References (8)

1. Belt-Shaped Cyclophanes. 2. For the previous paper in this series see the preceding paper in this issue.
2. Schröder, A.; Mekelburger, H.-B.; Vögtle, F. Top. Curr. Chem. 1994, 172, 179-201
3. Molecular mechanics calculations on the corresponding [8]beltene predict a cavity of roughly the same size: Alder, R. W.; Sessions, R. B. J. Chem. Soc., Perkin Trans. 2 1985, 1849-1854.
4. All compounds were purified by flash chromatography and crystallization from dichloromethane/methanol.
5. 1H (COSY) correlations were employed to assign absorptions for non-aromatic protons.
6. After two minutes at reflux, the reaction mixture was immediately subjected to flash chromatography.
7. Rathore, R.; Saxena, N.; Chandrasekaran, S. Synth. Comm. 1986, 16, 1493-1498.
8. Becker, B.; Bohner, A.; Ehrenfreud, M.; Wolfarth, W.; Sakata, Y.; Huber, W.; Müllen, K. J. Am. Chem. Soc. 1991, 113, 1121-1127.