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Three new dihydroagarofuran sesquiterpenoids from Celastrus orbiculatus

Author:
Xu, Jing, Xie, Chunfeng, Jin, Da-qing, Guo, Yuanqiang, Zhao, Peng, Wang, Shaonan, He, Yisha
Source:
Phytochemistry letters 2012 v.5 no.4 pp. 713-716
ISSN:
1874-3900
Subject:
Celastrus orbiculatus, fruits, nuclear magnetic resonance spectroscopy, polyesters, sesquiterpenoids
Abstract:
Three new β-dihydroagarofuran sesquiterpene polyesters, 1β-acetoxy-8α,9β-dibenzoyloxy-13-nicotinoyloxy-β-dihydroagarofuran (1), 1β,2β-diacetoxy-9α-benzoyloxy-13-nicotinoyloxy-β-dihydroagarofuran (2), and 6α,8α,9β,13-tetraacetoxy-1β-cinnamoyloxy-2β,4α-dihydroxy-β-dihydroagarofuran (3) were isolated from the fruits of Celastrus orbiculatus Thunb. Their structures were determined by means of extensive spectroscopic analyses (IR, ESIMS, HRESIMS, 1D and 2D NMR).
Agid:
870769