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ChemInform Abstract: Diastereoselection in 1,3-Dipolar Cycloadditions of a Chiral Cyclic Nitrone to α,β-Unsaturated δ-Lactones.

✍ Scribed by M. Jurczak; J. Rabiczko; D. Socha; M. Chmielewski; F. Cardona; A. Goti; A. Brandi

Publisher
John Wiley and Sons
Year
2000
Weight
33 KB
Volume
31
Category
Article
ISSN
0931-7597

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ChemInform Abstract: Influence of a 2-Fl
ChemInform Abstract: Influence of a 2-Fluoro Substituent on Diastereoselectivity in the 1,3-Dipolar Cycloadditions of Nitrones.
✍ M. IHARA; Y. TANAKA; N. TAKAHASHI; Y. TOKUNAGA; K. FUKUMOTO 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 33 KB 👁 2 views

Influence of a 2-Fluoro Substituent on Diastereoselectivity in the 1,3-Dipolar Cycloadditions of Nitrones. -2-Fluoro nitrones, e.g. (IIIa)-(IIIc), show reverse diastereoselectivity in the title reaction compared with 2-hydro nitrones such as (IIId)-(IIIf). It is noteworthy that no appropriate catal