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DOI: 10.1055/s-0031-1280403
© Georg Thieme Verlag KG Stuttgart · New York
Phragmalin Limonoids from Chukrasia tabularis var. velutina
Publication History
received April 13, 2011
revised October 26, 2011
accepted November 7, 2011
Publication Date:
01 December 2011 (online)

Abstract
Two new C-15-acyl phragmalin limonoids, velutinalides A (2) and B (3), featuring a C-16/C-30 δ-lactone ring, and a new structurally related natural product, R310B8 (1), were isolated from the leaves of Chukrasia tabularis var. velutina. Their structures were elucidated on the basis of extensive spectroscopic data analyses and by comparison of their NMR data with those of related known compounds.
Key words
Maliaceae - Chukrasia tabularis var. velutina - C-15-acyl phragmalin limonoid - velutinalide
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Prof. Dr. Yue-Wei Guo
State Key Laboratory of Drug Research
Shanghai Institute of Materia Medica
Chinese Academy of Sciences
Zu Chong Zhi Rd. 555
Zhangjiang, Hi-Tech Park
Shanghai 201203
People's Republic of China
Phone: +86 21 50 80 58 13
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