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ChemInform Abstract: Zirconium Tetrachloride as a Convenient Catalyst for the Glycosylation of Sterols with 2,3,4,6,6′-Penta-O-acetyl-5-hydroxymethylgalactosyl Fluoride.

✍ Scribed by S. PIKUL; A. G. SWITZER


Publisher
John Wiley and Sons
Year
2010
Weight
32 KB
Volume
28
Category
Article
ISSN
0931-7597

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Zirconium tetrachloride as a convenient
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Zirconium tetrachloride was found to catalyze glycosylation of various sterols with peracetylated 5-hydroxymethylene galactosyl fluoride. (~) 1997 Elsevier Science Ltd In the course of our work on cholesterol-lowering glycosides I we have experienced low yields of the glycosylation reaction using 5