吊球草的化学成分及抑菌活性研究(4)
化合物9 白色粉末,溶于甲醇,mp 197~198 ℃,ESI-MS m/z 426 [M+H]+。1H-NMR(CD3OD,100 MHz)δ:0.77(3H,s,H-24),0.82(3H,s,H-30),0.96(3H,s,H-26),0.96(3H,s,H-25),0.98(3H,s,H-27),0.99(3H,s,H-28),1.11(3H,s,H-23),1.15(3H,s,H-29),3.19(1H,m,H-3),5.21(1H,br s,H-12);13C-NMR(CD3OD,400 MHz)δ:38.5(C-1),26.9(C-2),79.1(C-3),38.6(C-4),55.2(C-5),18.3(C-6),33.0(C-7),39.6(C-847.6(C-9),36.9(C-10) ......
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