大理卫矛乙醇提取物的化学成分研究(4)
化合物9:白色针状结晶;mp:279~280 ℃。1H-NMR (400 MHz,CDCl3)δ:0.82(3H,d,J=6.6 Hz,H-23),0.98(3H,s,H-24),0.93(1H,s,H-25),0.99(3H,s,H-26),1.09(3H,s,H-27),1.18(3H,s,H-28),1.11(3H,s,H-29),0.99(3H,s,H-30)。13C-NMR(100 MHz,CDCl3) δ:18.0(C-1),35.4(C-2),72.2(C-3),53.0(C-4),38.2(C-5),41.4(C-6),17.9(C-7),53.2(C-8),37.1(C-9),60.1(C-10),35.6(C-11),30.6(C-12),38.3(C-13),39.7(C-14) ......
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