Zhang Huaping, Chen Feng, Wang Xi, Wu Dagang, Chen Qing
Department of Food Science and Human Nutrition, Clemson University, Clemson, SC 29634, USA.
Magn Reson Chem. 2007 Feb;45(2):189-92. doi: 10.1002/mrc.1937.
Seven rings A,B-seco limonoids 1-7 were isolated from the EtOH extract of the seed of Aphanamixis polystachya. Their structures were identified as rohituka-7 (1), dregeana-1 (2), rohituka-15 (3), Tr-B (4), rohituka-3 (5), rohituka-5 (6), and rohituka-14 (7) by MS and NMR spectroscopy. The complete assignment of proton and carbon signals was achieved by 1D and 2D NMR experiments including DEPT, HSQC, 1H--1H COSY, HMBC, and NOESY.
从多穗阿芳枝种子的乙醇提取物中分离出7种A、B-断环柠檬苦素类化合物1-7。通过质谱和核磁共振光谱将它们的结构鉴定为洛希图卡-7（1）、德雷吉纳-1（2）、洛希图卡-15（3）、Tr-B（4）、洛希图卡-3（5）、洛希图卡-5（6）和洛希图卡-14（7）。通过包括DEPT、HSQC、1H-1H COSY、HMBC和NOESY在内的一维和二维核磁共振实验完成了质子和碳信号的全归属。
