红花注射液化学成分及其活性研究(3)
化合物6 白色粉末;ESI-MS m/z 268[M+H]+;/1H-NMR(DMSO-d6,400 MHz)δ: 8.34(1H,s,H-2),8.13(1H,s,H-8),7.33(2H,s,6-NH2),5.87(1H,d,J=6.4 Hz,H-1′),5.42(1H,m,2′-OH),5.17(1H,d,J=4.8 Hz,3′-OH),4.60(1H,dd,J=10.2,6.0 Hz,H-2′),4.14(1H,m,H-3′),3.96(1H,m,H-4′),3.67(1H,m,H-5a′),3.54(1H,m,H-5b′);13C-NMR(DMSO-d6,100 MHz) δ: 152.4(C-2),149.1(C-4),119.4(C-5),156.2(C-6),140.0(C-8),87.9(C-1′),73.4(C-2′),70.7(C-3′),85.9(C-4′) ......
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