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1,3-Diaza-2-azoniaallene salts: cycloadditions to alkynes, carbodiimides and cyanamides

โœ Scribed by Wirschun, Wolfgang; Winkler, Martin; Lutz, Karin; Jochims, Johannes C.


Book ID
121450600
Publisher
Royal Society of Chemistry
Year
1998
Weight
157 KB
Volume
11
Category
Article
ISSN
1472-7781

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Cycloaddition Reactions of 1,3-Diaza-2-a
โœ Min Weng; Armin Geyer; Anke Friemel; J. C. Jochims; Martin Lutz ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 100 KB ๐Ÿ‘ 2 views

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