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ChemInform Abstract: Design, Synthesis, and 1,3-Dipolar Cycloaddition of (5R)- [and (5S)]-5,6-Dihydro-5-phenyl-2H-1,4-oxazin-2-one N-Oxides as Chiral (E)-Geometry-Fixed α-Alkoxycarbonylnitrones.

✍ Scribed by Osamu Tamura; et al. et al.


Publisher
John Wiley and Sons
Year
2001
Weight
37 KB
Volume
32
Category
Article
ISSN
0931-7597

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ChemInform Abstract: Cycloaddition/Ring
✍ S. KANEMASA; T. YOSHIMIYA; E. WADA 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 32 KB 👁 1 views

Cycloaddition/Ring Opening of 3-Unsubstituted Cyclic Nitronates, Isoxazoline and 5,6-Dihydro-4H-1,2-oxazine N-Oxides, as Synthetic Equivalents of Functionalized Nitrile Oxides. -Treatment of 3-halo-1-nitropropane [cf. (I)] with base results in cyclization to a nitronate. Trapping with electron-rich