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Configuration and conformation of taibaihenryiin T isolated from Phlomis umbrosa

Author:
Tian, Guang-hui, Liu, Cun-fang, Lai, Pu-hui, Zhao, Hua, Nie, Feng
Source:
Chemistry of natural compounds 2010 v.46 no.2 pp. 219-221
ISSN:
0009-3130
Subject:
Lamiaceae, crystal structure, diterpenoids, hydrogen bonding, nuclear magnetic resonance spectroscopy
Abstract:
Taibaihenryiin T was isolated for the first time from Phlomis umbrosa Turcz, and its structure was elucidated on the basis of IR and NMR spectra analysis. Its molecular configuration, conformation, and crystal structure were also characterized by X-ray structure analysis. The infrequency of the C-O-O-C group is manifested in this molecular configuration, and hydrogen bonding assembles the molecules into a three-dimensional networking structure in the crystal.
Agid:
398157