## Abstract For Abstract see ChemInform Abstract in Full Text.
Aza Diels—Alder reactions of methyl trifluoropyruvate sulfonyl- and phosphorylimines with 1,3-dienes
✍ Scribed by N. M. Kobel"kova; S. N. Osipov; A. F. Kolomiets
- Book ID
- 110402406
- Publisher
- Springer
- Year
- 2002
- Tongue
- English
- Weight
- 405 KB
- Volume
- 51
- Category
- Article
- ISSN
- 1573-9171
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## I-AZA-1,3-DIENES. OIELS-ALDER REACTIONS WITH a,B-UNSATURATED HYDRAZONES.
The first aza-Diels-Alder reactions of arylsulfonyl isocyanates with thio-substituted 1,3-dienes via the 3-sulfolene precursors 1 gave the cyclized products 3 with complete control of regio-and chemoselectivity. The cyclized products 3a and 4 underwent further interesting reactions with nucleophiles