## Abstract magnified image The racemic __N__‐benzylisothiazol‐3‐amine 1‐oxide (**2**) was demonstrated to be an efficient partner in __Diels__–__Alder__ reactions (__Schemes 2__–__4__) and a good dipolarophile in 1,3‐dipolar cycloaddition reactions with nitrile oxides (__Scheme 5__). Polycyclic i
Synthesis and cycloaddition reactions of N-methylcyclobutylideneamine N-oxide
✍ Scribed by Andrea Goti
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- French
- Weight
- 323 KB
- Volume
- 52
- Category
- Article
- ISSN
- 0040-4020
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The stereochemistry and reactivity of the cycloaddition reactions of a heterocyclic nitrone, 2,3,4,5,-tetrahydropyrazine 1-oxide, have been studied. The heterocyclic nitrone is found to be more reactive than its carbocyclic counterpart. The nitrone underwent regio-and stereo-selective cycloaddition
## Abstract __N__‐Methylmorpholine __N__‐(^17^O‐oxide) and __N__‐methylmorpholine __^15^N__‐(^17^O‐oxide) were prepared from __N__‐methylmorpholine and __^15^N__‐methylmorpholine by oxidation with H~2~ ^17^O~2~. The facile one‐pot procedure provided yields of 82 and 76%, respectively. The labeled h