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ChemInform Abstract: 1,3-Diaza-2-azoniaallene Salts: Cycloadditions to Alkynes, Carbodiimides and Cyanamides.

โœ Scribed by W. WIRSCHUN; M. WINKLER; K. LUTZ; J. C. JOCHIMS

Publisher
John Wiley and Sons
Year
2010
Weight
35 KB
Volume
29
Category
Article
ISSN
0931-7597

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Only a few reports deal with Diels-Alder or 1,3-dipolar cycloaddition reactions of glycals . For instance, azodicarboxylates undergo Diels-Alder cycloaddition with glycals to afford oxadiazines [2 -9]. The method allows the stereoselective introduction of a nitrogen atom on C-2 of a carbohydrate, an