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1. Eight new γ-lactam alkaloids from the roots of the Hemerocallis minor Mill.

Author:
Zhao, Xin-cai,   et al.   ; Zhang, Yu; Xie, Yang-guo; Fan, Chao; Huang, Ying-ying; Yan, Shi-kai; Zhang, Yan; Jin, Hui-zi; Zhang, Wei-dong;     Show all 9 Authors
Source:
Fitoterapia 2017
ISSN:
0367-326X
Subject:
Hemerocallis; alkaloids; inhibitory concentration 50; macrophages; nitric oxide; nuclear magnetic resonance spectroscopy; roots; spectral analysis
Abstract:
... Eight new γ-lactam alkaloids, hemerominors A-H (1–8), including two pair of epimers (1–4), together with six known compounds (9–14) were isolated from the roots of Hemerocallis minor Mill. The structures of 1–8 were established on the basis of extensive NMR studies and HR-MS measurements as well as comparison with literature data. The absolute configurations of 1–8 were determined by CD spectral a ...
DOI:
10.1016/j.fitote.2017.03.001