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Trapping of the 1,4-Dipole Formed in the 2 + 2-Cycloaddition of Tetracyanoethylene to Enol Ethers

✍ Scribed by Prof. Rolf Huisgen; Dipl.-Chem. Reinhard Schug; Dr. Gerd Steiner

Publisher
John Wiley and Sons
Year
1974
Tongue
English
Weight
216 KB
Volume
13
Category
Article
ISSN
0044-8249

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## 3,5-diones The photoaddition of 4-methyl-1,2,4-triazoline-3,5-dione (4-MTAD) with a wide variety of acyclic, cyclic and crown aliphatic ethers has been investigated. Monochromatic (Ξ» = 514.5 nm) or polychromatic (Ξ» Υ† 310 nm) irradiations give identical mono-urazolyl ethers as reaction products.