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Alkaloids from the Leaves and Stems of Daphniphyllum calycinum

✍ Scribed by Zha-Jun Zhan; Gui-Wei Rao; Xiao-Rong Hou; Cheng-Ping Li; Wei-Guang Shan

Publisher
John Wiley and Sons
Year
2009
Tongue
German
Weight
182 KB
Volume
92
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

One new alkaloid, named caldaphnidine H (1), together with eight known ones, daphnioldhanin G (2a), methyl homosecodaphniphyllate (3), daphnezomine M (4), daphniyunine A (5), calyciphylline A (6), deoxycalyciphylline B (7), deoxyisocalyciphylline B (8), and calyciphylline B (9) was isolated from the leaves and stems of Daphniphyllum calycinum. The structure of 1 was established by spectral methods, especially 2D‐NMR techniques. The structure of daphnioldhanin G (2b) reported previously was revised to 2a mainly by single‐crystal X‐ray diffraction and spectral analysis.

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