斜茎獐牙菜的化学成分研究(2)
3结构鉴定
化合物1无色针晶(甲醇),mp262~263℃。EIMSm/z254[M]+·。1HNMR(CDC13l3,500MHz)δ:8.53(1H,d,J=7.3Hz,H11),8.26(1H,d,J=8.4Hz,H9),8.00(1H,s,H5),7.78(1H,dd,J=8.4,7.3Hz,H10),5.78(2H,s,H6),4.66(2H,t,J=6.0Hz,H3),3.43(2H,t,J=6.0Hz,H4)。13CNMR(CDC13l3,125MHz)δ:163.7(C1),66.9(C3),24.2(C4),121.4(C4a),128.2(C5),123.3(C5a),127.2(C5b),69.8(C6),164.8(C8),129.2(C8a),130.5(C9),121.4(C10) ......
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化合物1无色针晶(甲醇),mp262~263℃。EIMSm/z254[M]+·。1HNMR(CDC13l3,500MHz)δ:8.53(1H,d,J=7.3Hz,H11),8.26(1H,d,J=8.4Hz,H9),8.00(1H,s,H5),7.78(1H,dd,J=8.4,7.3Hz,H10),5.78(2H,s,H6),4.66(2H,t,J=6.0Hz,H3),3.43(2H,t,J=6.0Hz,H4)。13CNMR(CDC13l3,125MHz)δ:163.7(C1),66.9(C3),24.2(C4),121.4(C4a),128.2(C5),123.3(C5a),127.2(C5b),69.8(C6),164.8(C8),129.2(C8a),130.5(C9),121.4(C10) ......
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