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Cyclization of α-Oxo-oximes to 2-Substituted Benzoxazoles.

✍ Scribed by Alan R. Katritzky; Zuoquan Wang; C. Dennis Hall; Novruz G. Akhmedov; Aleksandr A. Shestopalov; Peter J. Steel

Book ID
101959016
Publisher
John Wiley and Sons
Year
2004
Weight
135 KB
Volume
35
Category
Article
ISSN
0931-7597

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Stereoselective Synthesis of Alcohols, XLIV. Cyclization of Benzyloxy-substituted (8-Oxo-2-octenyl)boronates
✍ Sander, Thomas ;Hoffmann, Reinhard W. 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 866 KB

## Abstract The cyclization of (8‐oxo‐2‐octenyl)boronates having benzyloxy substituents in the chain linking the two functional groups gives benzyloxy‐substituted 2‐vinylcyclohexanols. High asymmetric induction is found for the 4‐ or 6‐benzyloxy‐(__Z__)‐octenylboronates 12a and 12c, whereas cycliza