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ChemInform Abstract: Ring Expansion — Formation of Optically Active 3-Hydroxypiperidines from Pyrrolidinemethanol Derivatives.

✍ Scribed by Janine Cossy; Cecile Dumas; Domingo Gomez Pardo

Publisher
John Wiley and Sons
Year
2010
Weight
34 KB
Volume
30
Category
Article
ISSN
0931-7597

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Ring Expansion – Formation of Optically
Ring Expansion – Formation of Optically Active 3-Hydroxypiperidines from Pyrrolidinemethanol Derivatives
✍ Janine Cossy; Cécile Dumas; Domingo Gomez Pardo 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 291 KB 👁 1 views

Treatment of pyrrolidinemethanol derivatives (-)-1, (-)-6, (-)-3-hydroxypiperidines (-)-14, (+)-15, (-)-16, 17, (+)-18, (-)-19, (-)-20, and (+)-22, respectively. The yields are good and the 7, 8, (-)-9, (+)-10, (-)-11, and (-)-21 with trifluoroacetic anhydride and then with Et 3 N afforded, after hy