Cycloaddition reactions of 1,3-diacetylimidazolin-2-one
β Scribed by Ralph A. Whitney
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- French
- Weight
- 163 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0040-4039
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π SIMILAR VOLUMES
&ii&R&: 1,3-Diazabutadienes react with diphenylketene in [2+2] -and [4+2] cycloaddition reacg$ons, depending on the substitution pattern. Spectroscopic data (IR, H-and C-WWR) and results of quantummechanical model calculations (ab initio 3-2lG) are presented. and reactions of 1,3\_diazabutadienes 1
## Abstract For Abstract see ChemInform Abstract in Full Text.
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