9—O—烃基取代巴马亭衍生物的合成和结构表征(4)
化合物1m HR-ESI-MS m/z 473.171 1(C27H25N2O6+,计算值473.171 3 [M-Cl]+)。1H-NMR(DMSO-d6,500 MHz)δ:9.84(1H,s,H-8),9.03(1H,s,H-13),8.29(2H,d,J=8.5 Hz,H-11),8.23(1H,d,J=9.5 Hz,H-3′,5′),8.05(1H,d,J=9.5 Hz,H-2′,6′),7.89(2H,d,J=8.5 Hz,H-12),7.71(1H,s,H-1),7.10(1H,s,H-4),5.49(2H,s,-OCH2-Ar),4.94(2H,t,J=5.5 Hz,H-6),4.06(3H,s,-OCH3),3.93(3H,s,-OCH3),3.87(3H,s,-OCH3),3.22(2H ......
您现在查看是摘要页,全文长 3306 字符。