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An Improved Procedure for the Ring Opening of Benzylidene Acetals with N-Bromosuccinimide

✍ Scribed by Chrétien, FranÇHise; Khaldi, Mustapha; Chapleur, Yves

Book ID
120033647
Publisher
Taylor and Francis Group
Year
1990
Tongue
English
Weight
296 KB
Volume
20
Category
Article
ISSN
0039-7911

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✍ Lu Jiang; Tak-Hang Chan 📂 Article 📅 1998 🏛 Elsevier Science 🌐 French ⚖ 216 KB

BH./Bu20T f is an effective reagent to reductively cleave 4,6-O-benzylidene acetals of various hexopyranosides to the corresponding 4-O-benzyl ethers. 4,6-O-Isopropylidene acetals can be similarly cleaved. Common protecting groups are stable to the reaction conditions.