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Total Syntheses of Angular [7]-, [8]-, and [9]Phenylene by Triple Cobalt-Catalyzed Cycloisomerization: Remarkably Flexible Heliphenes

✍ Scribed by Sangdon Han; D. Ryan Anderson; Andrew D. Bond; Hiufung V. Chu; 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: 128 KB
Volume: 114
Category: Article
ISSN: 0044-8249
DOI: 10.1002/1521-3757(20020902)114:17<3361::aid-ange3361>3.0.co;2-g

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Total Syntheses of Angular [7]-, [8]-, a

Total Syntheses of Angular [7]-, [8]-, and [9]Phenylene by Triple Cobalt-Catalyzed Cycloisomerization: Remarkably Flexible Heliphenes

✍ Sangdon Han; D. Ryan Anderson; Andrew D. Bond; Hiufung V. Chu; Raymond L. Disch; 📂 Article 📅 2002 🏛 John Wiley and Sons 🌐 English ⚖ 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