华南木姜子的阿朴菲型生物碱成分(3)
化合物3棕黄色固体; ESI-MS m/z 342[M+H]+; 1H-NMR(CD3OD,500 MHz) δ: 6.77(1H,s,H-3),3.29(1H,ddd,J=17.0,12.5,6.0 Hz,H-4a),3.01(1H,dd,J=17.0,4.5 Hz,H-4b),3.73(1H,dd,J=13.0,6.0 Hz,H-5a),3.62(1H,ddd,J=13.0,12.5,4.5 Hz,H-5b),4.12(1H,dd,J=13.5,4.5 Hz,H-6a),3.25(1H,dd,J=14.0,4.5 Hz,H-7a),2.71(1H,dd,J=14.0,13.5 Hz,H-7b),6.77(1H,s,H-8),7.94(1H,s,H-11),3.84(3H,s,2-OMe),3.82(3H,s,10-OMe),3.62(3H,s,1-OMe),3.12(3H,s,N-Me); 13C-NMR(CD3OD,125 MHz) δ:146.8(C-1),124.1(C-1a),127.9(C-1b),155.6(C-2),113.5(C-3),127.8(C-3a),27.5(C-4),54.1(C-5) ......
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