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Note | Regular issue | Vol 78, No. 9, 2009, pp.2361-2367
Published online, 1st June, 2009
DOI: 10.3987/COM-09-11740
A New Cardenolide Triglycoside from Stems and Twigs of Nerium oleander

Liming Bai,* Ryo Hasegawa, Katsutoshi Hirose, Mariko Ando, Jun-ichi Sakai, and Masayoshi Ando

*College of Chemistry and Chemistry Engineering, Qiqihar University, 30 Wenhuadajie, Qiqihar, Heilongjian Shang, 161006, China

Abstract

A new cardenolide triglycoside, cardenolide B-3 (1) was isolated from Nerium oleander L. The structure of 1 was established to be 3β-O-[β-D-glucopyranosyl-(16)-β-D-glucopyranosyl-(14)-β-D-diginopyranosyl]-7β,8-epoxy-14-hydroxy-5β,14β-card-20(22)-enolide on the basis of their spectroscopic data.