大八角根化学成分研究(3)
化合物6 无色块状结晶(甲醇); ESI-MS m/z 319 [M+Na]+;1H-NMR(C5D5N,500 MHz) δ: 2.37~2.11(4H,m,H-2,3),4.28(1H,d,J=7.0 Hz,H-7),1.31(3H,s,H-8),3.46(1H,d,J=16.5 Hz,H-10a),2.96(1H,d,J=16.5 Hz,H-10b),1.31(3H,s,H-13),3.99(1H,d,J=8.5 Hz,H-14a),4.80(1H,d,J=8.5 Hz,H-14b),1.86(3H,s,H-15),7.07(1H,s,4-OH),8.66(1H,d,J=6.5 Hz,7-OH); 13C-NMR(C5D5N,125 MHz) δ: 96.9(C-1),39.0(C-2),36.8(C-3) ......
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