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ChemInform Abstract: Cyclization of Unsaturated Amides with Triflic Anhydride and Samarium Diiodide.

✍ Scribed by Chriss E. McDonald; Amy M. Galka; Ahren I. Green; Joseph M. Keane; Jennifer E. Kowalchick; Christopher M. Micklitsch; David D. Wisnoski

Publisher: John Wiley and Sons
Year: 2001
Weight: 29 KB
Volume: 32
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.200116060

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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v

Synthesis of (E)-α,β-Unsaturated Amides

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✍ José M. Concellón; Juan A. Pérez-Andrés; Humberto Rodríguez-Solla 📂 Article 📅 2001 🏛 John Wiley and Sons 🌐 English ⚖ 129 KB 👁 1 views

Stereoselective b-elimination of 2-chloro-3-hydroxyamides 1 is achieved by using samarium diiodide to yield a,b-unsaturated amides 2, in which the C C bond is di-tri-, or tetrasubstituted. The starting compounds 1 are easily prepared by reaction of the corresponding lithium enolates of a-chloroamide