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1,3-Dipolar cycloaddition reactions of benzo[h]naphthyridinium N-phenacylides

✍ Scribed by Barbara Bachowska; Wanda Śliwa


Publisher
Springer Vienna
Year
1984
Tongue
English
Weight
308 KB
Volume
115
Category
Article
ISSN
0026-9247

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Tri- and Tetrasubstituted N-Phthalimidoa
✍ Alexander V. Ushkov; Mikhail A. Kuznetsov; Anthony Linden; Heinz Heimgartner 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 German ⚖ 325 KB

## Abstract The thermal reactions of the 2,2,3‐trisubstituted __N__‐phthalimidoaziridine **1a** with dimethyl acetylenedicarboxylate (DMAD), thioketones **4a**–**4d**, and dimethyl azodicarboxylate (**5**) proceed even at room temperature leading to the five‐membered cycloadducts **2a, 6**–**8**, a