4.4 Article

Synthesis of ginsenoside Rh2 and chikusetsusaponin-LT8 via gold(I)-catalyzed glycosylation with a glycosyl ortho-alkynylbenzoate as donor

Journal

TETRAHEDRON LETTERS
Volume 52, Issue 24, Pages 3075-3078

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2011.04.003

Keywords

Ginsenosides; Glycosylation; Glycosyl ortho-alkynylbenzoate; Protopanaxadiol; Gold catalyst

Funding

  1. National Natural Science Foundation of China [20902097, 20932009]
  2. National Basic Research Program of China [2010CB833202]

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Glycosylation of the acid labile protopanaxadiol derivatives was succeeded with a glycosyl ortho-hexynylbenzoate as donor under the catalysis of PPh(3)AuNTf(2), leading to the subsequent elaboration of ginsenoside Rh2 and chikusetsusaponin-LT8 in a concise manner. (C) 2011 Elsevier Ltd. All rights reserved.

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