Unusual Reactions of Halo[5]metacyclophanes
✍ Scribed by Geerlig W. Wijsman; Willem M. Boesveld; Marcus C. Beekman; Marcel Schreuder Goedheijt; Ben L. M. van Baar; Franciscus J. J. de Kanter; Willem H. de Wolf; Friedrich Bickelhaupt
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 623 KB
- Volume
- 2002
- Category
- Article
- ISSN
- 1434-193X
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Carbon-13 NMR data of [iilmetacyclophane (la), its 8,ll-dihalosubstituted derivatives lb-ld and of some model compounds are reported and discussed. A remarkable downfield shift is observed for the aromatic carbon between the bridging carbons; this is tentatively ascribed to long-range effects of the
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