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Synlett 1992; 1992(10): 797-799
DOI: 10.1055/s-1992-21494
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Zinc Salts Catalyzed Rhamnosylation

Mugio Nishizawa* , Dulce M. Garcia, Hidetoshi Yamada
  • *Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-Cho, Tokushima 770, Japan
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Publication Date:
08 March 2002 (online)

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Glycosylation of cholesterol with 2,3,4-tri-O-benzyl-α-L-rhamnopyranosyl chloride was significantly accelerated by the addition of a catalytic amount of Zn salt such as Zn(acac)2, ZnCl2, Zn(Ac)2, or Zn(CN)2 in dichloromethane affording α-rhamnoside predominantly.