Biomedical Science Letters

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Table. 1.

1H (850 MHz) NMR data (pyridine-d5) of three compounds isolated from Codonopsis lanceolata

Position Compound 1 Compound 2 Compound 3
δH (J in Hz) δH (J in Hz) δH (J in Hz)
H-1 2.20, Overlap 1.37, Overlap 1.40, d (12.0)
1.15, s 0.87, Overlap 0.87, Overlap
2 4.71, s 2.28, Overlap 2.23, d (11.0)
1.86, Overlap 1.85, Overlap
3 3.42, Overlap 3.40, Overlap 3.38, dd (12.0)
5 0.97, d (11.0) 0.78, d (12.0) 0.79, d (12.0)
9 1.74, Overlap 1.73, Overlap 1.73, t (8.5)
12 5.58, s 5.64, Overlap 5.58, br. s
16 5.26, s 5.27, s 5.26, s
18 3.58, d (13.0) 3.51, Overlap 3.56, d (14.5)
19 2.77, t (13.0) 2.77, t (13.0) 2.76, t (13.5)
1.34, s 1.33, Overlap 1.30, br. d
21 2.42, t like 2.43, Overlap 2.41, t (10.5)
1.29, Overlap 1.30, Overlap 1.30, Overlap
22 2.31, Overlap 2.30, Overlap 2.30, t
2.20, Overlap 2.17, Overlap 2.18, t
23 1.34, s 1.27, s 1.27, s
24 1.37, s 0.95, s 0.97, s
25 1.50, s 0.80, s 0.81, s
26 1.11, s 1.07, s 1.05, s
27 1.82, s 1.82, s 1.81, s
29 1.00, s 0.98, s 1.00, s
30 1.15, s 1.12, s 1.13, s
glcA-1 5.02, Overlap 5.03, Overlap 5.02, d (7.5)
5 4.54, d (9.0) 4.71, Overlap 4.69, d (9.0)
ara-1 6.51, s 6.40, Overlap 6.49, br. s
rha-1 5.70, s 5.84, s 5.69, br. s
6 1.70, s 1.71, d (6.0) 1.70, br. s
xyl-1 5.18, d (7.5) 5.15, d (7.0) 5.17, d (7.5)
xyl-1' 5.23, d (7.5) 5.21, d (7.5) 5.22, d (7.5)
glc-1 5.12, d (7.5)

Reference; Ushijima et al. Triterpene glycosides from the roots of Codonopsis lanceolata, 2008

Biomed Sci Letters 2021;27:154-60 https://doi.org/10.15616/BSL.2021.27.3.154
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