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Chemoselective Deprotection of Aryl tert-Butyldimethylsilyl Ethers Promoted by Phosphates

โœ Scribed by Yan, Lin; Zhao, Fangli; Gan, Yin; Zhao, Jin; Jiang, Zhiyong

Book ID
111888814
Publisher
Taylor and Francis Group
Year
2011
Tongue
English
Weight
268 KB
Volume
42
Category
Article
ISSN
0039-7911

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Chemoselective deprotection of primary t
Chemoselective deprotection of primary tert-butyldimethylsilyl ethers on carbohydrate molecules in the presence of secondary silyl ethers
โœ Ming-Yi Chen; Kuo-Cheng Lu; Adam Shih-Yuan Lee; Chun-Cheng Lin ๐Ÿ“‚ Article ๐Ÿ“… 2002 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 158 KB

The primary silyl ethers of TBDMS-protected saccharides were regioselectively cleaved in excellent yields (71-95%) by treating the silyl ethers with a catalytic amount of CBr 4 in methanol under photochemical reaction conditions.