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Synlett 1992; 1992(5): 447-448
DOI: 10.1055/s-1992-21376
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Improved Synthesis of α-Cycloawaodorin

Mugio Nishizawa* , Hiroshi Imagawa, Keiko Kubo, Yukiko Kan, Hidetoshi Yamada
  • *Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-Cho, Tokushima 770, Japan
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Publication History

Publication Date:
08 March 2002 (online)

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The first cyclooligosaccharide of the L.-series, α-cycloawaodorin (1), was efficiently synthesized by an α-selective thermal rhamnosylation reaction in a stepwise process. A thiomethyl group at C-1 played a dual role as a protecting group during the thermal glycosylations and as an activator on cycloglycosylation.

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