Jiang Jian-Shuang, Chen Zhong, Yang Ya-Nan, Feng Zi-Ming, Zhang Pei-Cheng
State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
J Asian Nat Prod Res. 2013;15(5):427-32. doi: 10.1080/10286020.2013.780046. Epub 2013 Apr 22.
Two new glycoside compounds, named saffloquinoside C (1) and (-)-4-hydroxybenzoic acid-4-O-[6'-O-(2″-methylbutyryl)-β-D-glucopyranoside] (2), were isolated from the florets of Carthamus tinctorius. Their structures were elucidated by detailed spectroscopic means including UV, IR, HR-ESI-MS, 1D and 2D NMR, and CD data. Compound 1 was a rare quinochalcone glycoside with six five-membered dioxaspirocycle.
从红花的小花中分离出两种新的糖苷化合物，分别命名为藏红花喹诺糖苷C（1）和（-）-4-羟基苯甲酸-4-O-[6'-O-（2''-甲基丁酰基）-β-D-吡喃葡萄糖苷]（2）。通过详细的光谱手段，包括紫外光谱（UV）、红外光谱（IR）、高分辨电喷雾电离质谱（HR-ESI-MS）、一维和二维核磁共振（1D和2D NMR）以及圆二色光谱（CD）数据，阐明了它们的结构。化合物1是一种罕见的具有六个五元二氧杂螺环的喹诺查耳酮糖苷。
