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H-6″),2.04(2H,m,H-4″),1.68(3H,s,9″-CH3 ),1.67
(3H,s,10″-CH3 ),1.56(2H,m,H-5″)。 C-NMR(CDCl3,
13
Ⅰ
Ⅲ Ⅳ 125 MHz)δ:160.7(C-2),114.8(C-3),144.6(C-4),116.6
Ⅱ
(C-4a),113.5(C-5),126.0(C-6),148.8(C-7),131.6
(C-8),144.0(C-8a),146.8(C-2′),106.9(C-3′),70.1
Ⅴ Ⅵ (C-1″),120.0(C-2″),142.9(C-3″),32.7(C-4″),35.5
Ⅶ
(C-5″),75.3(C-6″),111.2(C-7″),147.4(C-8″),17.7
图1 化合物ⅠⅠ~ⅦⅦ的结构式
(C-9″),16.6(C-10″)。以上波谱数据及化合物的理化性
Fig 1 Structures of compounds ⅠⅠ-ⅦⅦ
质与文献[13]基本一致,故确定化合物Ⅲ为 Lansiuma-
化合物Ⅰ:淡黄色油状物(甲醇),分子式为C9H6O3,
rin-C。
分 子 量 为 162.0。 电 喷 雾 质 谱(ESI-MS):m/z 161.0
化合物Ⅳ:淡黄色油状物(甲醇),分子式为C21H22O6,
[M-H] 。 H-NMR(CDCl3,500 MHz)δ:7.85(1H,d,J=
1
-
分子量为 370.1。ESI-MS:m/z 393.2 [M+Na] 。 H-NMR
+
1
9.4 Hz,H-4),7.46(1H,d,J=8.5 Hz,H-5),6.79(1H,dd,
(CDCl3,500 MHz)δ:7.78(1H,d,J=9.6 Hz,H-4),7.69
J=8.5,2.3 Hz,H-6),6.71(1H,d,J=2.3,H-8),6.18(1H,
(1H,d,J=2.2 Hz,H-2′),7.38(1H,s,H-5),6.82(1H,d,
13
d,J=9.4 Hz,H-3)。 C-NMR(CDCl3,125 MHz)δ:163.7
J=2.2 Hz,H-3′),6.38(1H,d,J=9.6 Hz,H-3),5.70(1H,
(C-2),112.3(C-3),146.1(C-4),113.1(C-4a),130.7
t,J=6.7 Hz,H-2″),5.29(1H,d,J=7.9 Hz,H-6″),5.03
(C-5),114.6(C-6),163.4(C-7),103.4(C-8),157.3
(2H,m,H-1″),4.55(1H,m,H-5″),4.22(1H,d,J=12.6
(C-8a)。以上波谱数据及化合物的理化性质与文献[11]
Hz,H-8″a),4.10(1H,d,J=12.6 Hz,H-8″b),2.29(1H,
基本一致,故确定化合物Ⅰ为7-羟基香豆素。
dd,J=13.4,8.0 Hz,H-4″a),2.20(1H,dd,J=13.4,5.5
化合物Ⅱ:淡黄色油状物(甲醇),分子式为C21H18O6,
Hz,H-4″b),1.81(3H,s,9″-CH3 ),1.65(3H,s,10″-CH3 )。
分子量为 366.1。ESI-MS:m/z 389.2[M+Na] 。 H-NMR
+
1
13 C-NMR(CDCl3,125 MHz)δ:160.9(C-2),114.9(C-3),
(CDCl3,500 MHz)δ:7.77(1H,d,J=9.6 Hz,H-4),7.70
144.6(C-4),116.7(C-4a),113.5(C-5),126.1(C-6),148.7
(1H,d,J=2.2 Hz,H-2′),7.38(1H,s,H-5),6.92(1H,m,
(C-7),131.5(C-8),143.7(C-8a),146.7(C-2′),107.0
H-6″),6.82(1H,d,J=2.2 Hz,H-3′),6.36(1H,d,J=9.6
(C-3′),69.9(C-1″),123.3(C-2″),139.7(C-3″),47.9
Hz,H-3),5.71(1H,t,J=6.9 Hz,H-2″),5.05(1H,dd,J=
(C-4″),66.0(C-5″),129.7(C-6″),139.2(C-7″),62.3
12.0,6.9 Hz,H-1″a),5.01(1H,dd,J=12.0,6.9 Hz,H-1″b),
(C-8″),17.3(C-9″),21.8(C-10″)。以上波谱数据及化合
4.91(1H,m,H-5″),2.40(1H,dd,J=14.0,7.0 Hz,H-4″a),
物的理化性质与文献[14]基本一致,故确定化合物Ⅳ为
2.30(1H,dd,J=14.0,7.0 Hz,H-4″b),1.87(3H,s,
Claucoumarin A。
13
9″-CH3 ),1.78(3H,s,10″-CH3 )。 C-NMR(CDCl3,125
MHz)δ :160.6(C-2),114.8(C-3),144.5(C-4),116.6 化合物Ⅴ:淡黄色油状物(甲醇),分子式为C21H22O5,
1
分子量为 354.2。ESI-MS:m/z 377.2 [M+Na] 。 H-NMR
+
(C-4a),113.7(C-5),126.0(C-6),148.7(C-7),131.5
(C-8),143.9(C-8a),146.9(C-2′),106.9(C-3′),69.7 (CDCl3,500 MHz)δ:7.76(1H,d,J=9.6 Hz,H-4),7.69
(C-1″),124.0(C-2″),137.2(C-3″),143.4(C-4″),79.7 (1H,d,J=2.2 Hz,H-2′),7.37(1H,s,H-5),6.81(1H,d,
(C-5″),148.5(C-6″),130.2(C-7″),174.1(C-8″),10.7 J=2.2 Hz,H-3′),6.36(1H,d,J=9.6 Hz,H-3),5.69(1H,
(C-9″),17.3(C-10″)。以上波谱数据及化合物的理化性 d,J=7.1 Hz,H-2″),5.11(1H,m,H-6″),5.04(2H,m,
质与文献[12]基本一致,故确定化合物Ⅱ为黄皮呋喃香 H-1″),4.41(1H,td,J=8.4,4.8 Hz,H-5″),2.20(1H,dd,
豆精。 J=13.6,8.5 Hz,H-4″a),2.15(1H,dd,J=13.6,4.7 Hz,
化合物Ⅲ:黄色油状物(甲醇),分子式为 C21H22O5, H-4″b),1.76(3H,s,9″-CH3 ),1.68(3H,d,J=1.2 Hz,
13
分子量为 354.1。ESI-MS:m/z 377.2 [M+Na] 。 H-NMR 8″-CH3 ),1.65(3H,d,J=1.2 Hz,10″-CH3 )。 C-NMR
+
1
(CDCl3,500 MHz)δ:7.76(1H,d,J=9.6 Hz,H-4),7.68 (CDCl3,125 MHz)δ :160.6(C-2),114.8(C-3),144.5
(1H,d,J=2.2 Hz,H-2′),7.36(1H,s,H-5),6.81(1H,d, (C-4),116.6(C-4a),113.6(C-5),126.0(C-6),148.7
J=2.2 Hz,H -3′),6.35(1H,d,J=9.6 Hz,H-3),5.62 (C-7),131.5(C-8),144.0(C-8a),146.8(C-2′),106.9
(1H,t,J=7.1 Hz,H-2″),5.02(2H,m,H-1″),4.86(1H, (C-3′),69.9(C-1″),123.1(C-2″),139.7(C-3″),48.0
brs,H-8″a),4.80(1H,brs,H-8″b),3.92(1H,t,J=6.4 Hz, (C-4″),66.3(C-5″),127.4(C-6″),135.3(C-7″),17.0
·520 · China Pharmacy 2019 Vol. 30 No. 4 中国药房 2019年第30卷第4期