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Reactions of α,β-Unsaturated Thioamides with Diazo Compounds

✍ Scribed by Daniel H. Egli; Anthony Linden; Heinz Heimgartner


Publisher
John Wiley and Sons
Year
2006
Tongue
German
Weight
122 KB
Volume
89
Category
Article
ISSN
0018-019X

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1,5-Dipolar Electrocyclizations in React
✍ Daniel H. Egli; Anthony Linden; Heinz Heimgartner 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 German ⚖ 216 KB

Several reactions of a-thioxo ketones and a-thioxo thioamides with diazo compounds were investigated. Most of them proceeded via a reactive thiocarbonyl ylide, which underwent a [2 + 3] cycloaddition with the a-thioxo ketone to give the Schçnberg products 17 -19 or a 1,5-dipolar electrocyclization t