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Selective Synthesis of 2-, 4-, and 5-Cyano Substituted Imidazoles from Imidazole N -Oxides and Trimethylsilyl Cyanide

✍ Scribed by Alcázar, Jesús; Begtrup, Mikael; de la Hoz, Antonio

Book ID
126041060
Publisher
American Chemical Society
Year
1996
Tongue
English
Weight
90 KB
Volume
61
Category
Article
ISSN
0022-3263

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✍ Brian Iddon; Nazir Khan 📂 Article 📅 1986 🏛 Elsevier Science 🌐 French ⚖ 222 KB

A procedure is described for the stepwise introduction of substituents (hydrogen included) into the imidazole ring by FGI of the bromine atoms in l-protected 2,4,5-tribromoimidazoles in the order 2 -f 5 + 4 using halogen-metal exchange techniques. Despite the considerable industrial importance of i