ChemInform Abstract: Synthesis of New Spiro[1,4,2-dioxazole-5,3′-indolin]-2′-one by 1,3-Dipolar Cycloaddition
✍ Scribed by Rachid Bouhfid; Nicolas Joly; El Mokhtar Essassi; Vincent Lequart; Mohamed Massoui; Patrick Martin
- Publisher
- John Wiley and Sons
- Year
- 2011
- Weight
- 27 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0931-7597
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## Abstract The reaction of N‐aryl‐C‐ethoxycarbonyl nitrilimines with [1,2,4]triazepin‐3,5‐dithione leads to title compounds. The 1,3‐dipolar cycloaddition is completely peri and regioselective. The preferred orientation of addition is predicted correctly by AM~1~ calculation.