黄瓜子脂肪油化学成分的研究(2)
化合物2 白色针晶(甲醇);mp 166~167 ℃;EI-MS m/z 412(M+·)。1H-NMR(CDCl3,400 MHz)δ: 3.59(1H,m,H-3),5.16(1H,br s,H-7),0.53(3H,s,H-18),0.80(3H,s,H-19),0.91(3H,d,J=6.4 Hz,H-21),1.57(3H,s,H-26),4.64,4.73(2H,s,H-27),0.81(3H,t,J=7.8 Hz,H-29);13C-NMR(CDCl3,100 MHz)δ:71.1(C-3),117.5(C-7),139.7(C-8),147.6(C-25),111.3(C-27) ......
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