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Sulfanyl radical addition–cyclization and its synthetic application

✍ Scribed by Okiko Miyata; Takeaki Naito


Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
626 KB
Volume
4
Category
Article
ISSN
1387-1609

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Sulfanyl radical addition to alkynyl azi
✍ Pier Carlo Montevecchi; Maria Luisa Navacchia; Piero Spagnolo 📂 Article 📅 1997 🏛 Elsevier Science 🌐 French ⚖ 230 KB

5-Exo-Cyclization of 2-sulfanylvinyl radicals 16 and 21 is a fast process which prevents intramolecular addition to the sulfanyl aromatic ring and hydrogen abstraction. In contrast, the 2sulfanylvinyl radicals 3 and 9 are reluctant to add to their aliphatic azido subslituent either in a ~-(endo) ~ i