Chevalierinoside B and C: Two new isoflavonoid glycosides from the stem bark of Antidesma laciniatum Muell. Arg (syn. Antidesma chevalieri Beille)
作者:Marie Geneviève Djouossi、Florence Déclaire Mabou、Perrin Lanversin Foning Tebou、David Ngnokam、Leon A. Tapondjou、Dominique Harakat、Laurence Voutquenne-Nazabadioko
DOI:10.1016/j.phytol.2014.05.013
日期:2014.9
Chevalierinosides B (1) and C (2), two new isoflavonoid glycosides, characterized as biochanin A 7-O-[β-d-apiofuranosyl-(1→2)-β-d-glucopyranoside] and genistein 7-O-[β-d-apiofuranosyl-(1→2)-β-d-glucopyranoside], together with the known isoflavonoids, chevalierinoside A (3) and genistein 7-O-β-d-glucopyranoside (4), kaempferol 3-O-β-d-glucopyranoside (5) and triterpenes, friedelin (6), betulinic acid
Chevalierinosides B(1)和C(2),两个新的异黄酮苷,特征为生物素A 7-O- [ β - d -apiofuranosyl-(1→2)-β - d-吡喃葡萄糖苷]和染料木素7-O- [ β - d-呋喃呋喃糖基- (1→2)-β - d-吡喃葡萄糖苷],以及已知的异黄酮类,缬草苷A(3)和染料木黄酮7-O- β - d-吡喃葡萄糖苷(4),山奈酚3-O- β - d-吡喃葡萄糖苷(5)和三萜,Friedelin(6),从Antidesma laciniatum Muell的茎皮中分离出桦木酸(7),30-氧白蛋白酸(8),30-羟基白菜酸(9)。精氨酸 (同为Antidesma chevalieri Beille)。通过直接解释其光谱数据(主要是HR-TOFESIMS,1D-NMR(1 H,13 C和DEPT)和2D-NMR(COSY,NOESY,TOCSY,HSQC