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Preparation and Synthetic Transformation of Alkenyl Carbamates into Vinyl Zirconocene Derivatives.

✍ Scribed by Helena Chechik-Lankin; Ilan Marek


Publisher
John Wiley and Sons
Year
2006
Weight
29 KB
Volume
37
Category
Article
ISSN
0931-7597

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✍ Kast, Jürgen ;Hoch, Monika ;Schmidt, Richard R. 📂 Article 📅 1991 🏛 John Wiley and Sons 🌐 English ⚖ 482 KB

## Abstract Treatment of glycopyranosyl phenyl sulfoxides 2ah, 1, 2bh, 1 with two equivalents of lithium diisopropylamide provides directly the __C__‐2‐lithiated glycal intermediates 3aAh, 1, 3bAh, 1 which, on reaction with formaldehyde as electrophile, furnish the 2‐hydroxymethyl derivatives 4ah,