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Synthesis and Reactions of Some Pyrazine Derivatives

โœ Scribed by El-Shafei, A. K.; El-Sayed, A. M.; Abdel-Ghany, H.; El-Saghier, A. M. M.

Book ID
121708601
Publisher
Taylor and Francis Group
Year
1994
Tongue
English
Weight
552 KB
Volume
24
Category
Article
ISSN
0039-7911

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Synthesis and reactions of some nitrone
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โœ Orazio A Attanasi; Paolino Filippone; Chiara Fiorucci ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 695 KB

A~,lnitroso ccxnpounds c;isily react ;is nucleophilcs ~ith conjugated azoalkenes to give (~-(arylimino-N-oxide)hydraz~mes by their 1,4-addition to the a~x~-cnc system These adducts undergo an internal hetcr~x:yclizati~m process with pyra;/.ole ring formation to produce 1-alkoxycarbonyl-or I-amintx~l