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Molecules 2011, 16(2), 1113-1128; doi:10.3390/molecules16021113
Article

Synthesis and Anti-Fungal Activity of Seven Oleanolic Acid Glycosides

, , * ,  and *
Received: 7 December 2010; in revised form: 23 December 2010 / Accepted: 13 January 2011 / Published: 26 January 2011
(This article belongs to the Special Issue Glycosides)
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Abstract: In order to develop potential anti-fungal agents, seven glycoconjugates composed of a-L-rhamnose, 6-deoxy-a-L-talose, b-D-galactose, a-D-mannose, b-D-xylose-(1®4)-6-deoxy-a-L-talose, b-D-galactose-(1®4)-a-L-rhamnose, b-D-galactose-(1®3)-b-D-xylose-(1®4)-6-deoxy-a-L-talose as the glycone and oleanolic acid as the aglycone were synthesized in an efficient and practical way using glycosyl trichloroacetimidates as donors. The structures of the new compounds were confirmed by MS, 1H-NMR and 13C- NMR. Preliminary studies based on means of mycelium growth rate, indicated that all the compounds possess certain fungicidal activity against Sclerotinia sclerotiorum (Lib.) de Bary, Rhizoctonia solani Kuhn, Botrytis cinerea Pers and Phytophthora parasitica Dast.
Keywords: synthesis; oleanolic acid; glycoconjugate; anti-fungal activity synthesis; oleanolic acid; glycoconjugate; anti-fungal activity
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Zhao, H.; Zong, G.; Zhang, J.; Wang, D.; Liang, X. Synthesis and Anti-Fungal Activity of Seven Oleanolic Acid Glycosides. Molecules 2011, 16, 1113-1128.

AMA Style

Zhao H, Zong G, Zhang J, Wang D, Liang X. Synthesis and Anti-Fungal Activity of Seven Oleanolic Acid Glycosides. Molecules. 2011; 16(2):1113-1128.

Chicago/Turabian Style

Zhao, Hanqing; Zong, Guanghui; Zhang, Jianjun; Wang, Daoquan; Liang, Xiaomei. 2011. "Synthesis and Anti-Fungal Activity of Seven Oleanolic Acid Glycosides." Molecules 16, no. 2: 1113-1128.


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