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Total Syntheses and Structures of Angular [6]- and [7]Phenylene: The First Helical Phenylenes (Heliphenes)

โœ Scribed by Sangdon Han; Andrew D. Bond; Raymond L. Disch; Daniel Holmes; Jerome M. Schulman; Simon J. Teat; K. Peter C. Vollhardt; Glenn D. Whitener


Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
133 KB
Volume
114
Category
Article
ISSN
0044-8249

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Total Syntheses of Angular [7]-, [8]-, a
โœ Sangdon Han; D. Ryan Anderson; Andrew D. Bond; Hiufung V. Chu; Raymond L. Disch; ๐Ÿ“‚ Article ๐Ÿ“… 2002 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 129 KB

We have reported on the total syntheses of the first helical phenylenes (heliphenes), angular [6]-(1) and [7]phenylene (2), by a double cobalt-catalyzed cyclotrimerization strategy. [1] These hydrocarbons are the highest members of the, so far, five angular phenylene systems and, with 2, match the c