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79.8,72.0,78.7,63.3)。以上数据与文献[9]报道的人参 20-Glc-C-6″′(98.5,75.2,78.8,71.9,77.5,70.5),6″′-Glc-C-
皂苷Rg1一致。 1″″~6″′-Glc-C-6″″(105.6,75.6,78.8,71.9,79.6,63.4)。
化 合 物 2:白 色 粉 末 。 HR-ESI-MS 显 示 m/z 为 以上数据与文献[9]报道的人参皂苷Rb1一致。
+
969.538 1[M+Na](计算值969.539 9,C48H82NaO18 ),推测 化合物 4:白色无定形粉末。HR-ESI-MS 显示 m/z
+
1
化 合 物 的 分 子 式 为 C48H82O18。 H-NMR(C5D5N,600 为789.475 4[M+Na](计算值789.476 5,C42H70NaO12 ),推
1
MHz)显示8个甲基质子信号:δH 2.15(3H,s,H3-28),1.62 测化合物的分子式为 C42H70O12。 H-NMR(600 MHz,
(3H,s,H3-21),1.61(3H,s,H3-26),1.61(3H,s,H3-27), C5D5N)显示 7 个甲基质子信号:δ H 1.68(3H,s,H3-28),
1.39(3H,s,H3-29),1.20(3H,s,H3-18),0.99(3H,s, 1.62(3H,s,H3-26),1.33(3H,s,H3-27),1.13(3H,s,
H3-19),0.98(3H,s,H3-30);3个糖端基质子信号:δ H 6.54 H3-18),1.04(3H,s,H3-29),0.98(3H,s,H3-19),0.84(3H,
(1H,br s,H-1″),5.30(1H,d,J=7.2 Hz,H-1′),5.20(1H, s,H3-30);2 个糖端基质子信号:δ H 5.41(1H,d,J=7.8
d,J=7.2 Hz,H-1″′);1 个 Rha 的甲基质子信号:δ H 1.80 Hz,2′-Glc-H-1″),4.96(1H,overlapped,3-Glc-H-1′);3个
(3H,d,J=6.6 Hz,H3-6″);1 个烯氢信号:δ H 5.26(1H,t, 烯氢信号:δ H 5.31(1H,t,J=7.2 Hz,H-24),5.17(1H,br s,
J=6.6 Hz,H-24);1 个苷元部分特征质子信号:δ H 1.42 H-21b),4.93(1H,br s,H-21a);1 个连氧次甲基信号:δ H
(1H,d,J=10.8 Hz,H-5α)。 C-NMR(C5D5N,150 MHz) 3.96(1H,m,H-12);2 个苷元部分特征质子信号:δ H 3.31
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中δ C:39.4(C-1),27.8(C-2),78.7(C-3),40.4(C-4),61.2 (1H,dd,J=13.2、5.4 Hz,H-3),0.70(1H,br d,J=11.4
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(C-5),78.3(C-6),46.3(C-7),41.6(C-8),49.9(C-9),40.0 Hz,H-5)。 C-NMR(150 MHz,C5D5N)中δ C:39.7(C-1),
(C-10),31.3(C-11),70.5(C-12),49.5(C-13),51.8 26.2(C-2),89.4(C-3),40.2(C-4),56.9(C-5),18.9(C-6),
(C-14),31.1(C-15),27.0(C-16),52.0(C-17),17.9 35.8(C-7),40.6(C-8),48.8(C-9),37.5(C-10),32.5
(C-18),18.0(C-19),83.6(C-20),22.6(C-21),36.4 (C-11),72.1(C-12),53.0(C-13),51.7(C-14),31.2
(C-22),23.6(C-23),126.4(C-24),131.2(C-25),26.1 (C-15),27.5(C-16),51.3(C-17),17.1(C-18),17.4
(C-26),18.1(C-27),32.6(C-28),17.7(C-29),17.6 (C-19),156.0(C-20),108.6(C-21),34.3(C-22),27.2
(C-30),6-Glc-C-1′~6-Glc-C-6′(102.2,79.8,78.7,72.7, (C-23),125.8(C-24),131.7(C-25),26.2(C-26),18.2
78.9,63.4),2′-Rha-C-1″~2′-Rha-C-6″(102.3,72.8,72.9, (C-27),28.6(C-28),16.3(C-29),17.0(C-30),
74.6,69.9,19.1),20-Glc-C-1″′~20-Glc-C-6″′(98.6,75.5, 3-Glc-C-1′~3-Glc-C-6′(105.6,84.0,78.8,72.1,78.4,
79.7,72.0,78.7,63.3)。以上数据与文献[9]报道的人参 63.2),2′-Glc-C-1″~2′-Glc-C-6″(106.6,77.7,78.8,72.9,
皂苷Re一致。 78.6,63.3)。以上数据与文献[4]报道的人参皂苷 Rk1
化 合 物 3:白 色 粉 末 。 HR-ESI-MS 显 示 m/z 为 一致。
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1 131.591 2[M+Na](计算值 1 131.592 7,C54H92NaO23 ), 化合物 5:白色无定形粉末。HR-ESI-MS 显示 m/z
+
推测化合物的分子式为 C54H92O23。 H-NMR(C5D5N,600 为 661.427 9[M+Na](计算值 661.429 2,C36H62NaO9 ),推
1
1
MHz)显示 8 个甲基质子信号:δ H 1.67(3H,s,H3-26 或 测化合物的分子式为 C36H62O9。 H-NMR(C5D5N,600
H3-27),1.68(3H,s,H3-26 或 H3-27),1.61(3H,s,H3-21), MHz)显示8个甲基质子信号:δH 2.12(3H,s,H3-28),1.71
1.30(3H,s,H3-28),1.12(3H,s,H3-29),0.97(3H,s,H3-18 (3H,s,H3-26),1.66(3H,s,H3-27),1.65(3H,s,H3-29),
或 H3-30),0.98(3H,s,H3-18 或 H3-30),0.83(3H,s, 1.42(3H,s,H3-21),1.27(3H,s,H3-18),1.09(3H,s,
H3-19);4 个糖端基质子信号:δ H 5.40(1H,d,J=7.8 Hz, H3-19),0.89(3H,s,H3-30);7 个糖端基质子信号:5.09
H-1″),5.16(1H,d,J=7.8 Hz,H-1″′),5.13(1H,d,J=7.2 (1H,d,J=7.8 Hz,6-Glc-H-1′),4.57(1H,br d,J=11.4
Hz,H-1″″),4.95(1H,d,J=7.2 Hz,H-1′);1个烯氢信号: Hz,6-Glc-H-6′a),4.41(1H,dd,J=11.4、5.4 Hz,6-Glc-
δ H 5.32(1H,t,J=7.2 Hz,H-24);1 个苷元部分特征质子 H-6′b),4.27(1H,m,6-Glc-H-3′),4.14(1H,t,J=7.8 Hz,
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信 号 :δ H 0.67(1H,d,J=12.0 Hz,H-5 α)。 C-NMR 6-Glc-H-4′),4.00(1H,m,6-Glc-H-2′),3.95(1H,m,
(C5D5N,150 MHz)中 δ C:39.5(C-1),27.1(C-2),89.3 6-Glc-H-5′);1个烯氢信号:δ H 5.32(1H,m,H-24);2个苷
(C-3),40.4(C-4),56.7(C-5),18.8(C-6),35.5(C-7),40.0 元部分特征质子信号:δ H 1.48(1H,d,J=10.2 Hz,H-5),
(C-8),50.6(C-9),37.2(C-10),31.2(C-11),70.6(C-12), 1.16(1H,t,J=10.2 Hz,H-15b)。 C-NMR(C5D5N,150
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49.9(C-13),51.9(C-14),31.0(C-15),27.0(C-16),51.7 MHz)中 δ C:39.9(C-1),28.4(C-2),79.0(C-3),40.9
(C-17),16.6(C-18),16.4(C-19),83.8(C-20),22.7 (C-4),61.9(C-5),80.5(C-6),45.7(C-7),41.6(C-8),50.7
(C-21),36.5(C-22),23.6(C-23),126.3(C-24),131.4 (C-9),40.1(C-10),32.7(C-11),71.4(C-12),49.4
(C-25),26.2(C-26),18.3(C-27),28.5(C-28),17.0 (C-13),52.2(C-14),31.8(C-15),27.1(C-16),51.1
(C-29),17.8(C-30),3-Glc-C-1′~3-Glc-C-6′(105.8, (C-17),17.9(C-18),18.2(C-19),73.5(C-20),23.2
83.9,78.3,72.0,78.5,63.0),2′-Glc-C-1″~2′-Glc-C-6″ (C-21),43.7(C-22),23.1(C-23),126.5(C-24),131.2
(106.5,77.6,78.7,72.0,78.7,63.2),20-Glc-C-1″′~ (C-25),26.3(C-26),18.2(C-27),32.2(C-28),16.9
中国药房 2022年第33卷第16期 China Pharmacy 2022 Vol. 33 No. 16 ·1933 ·