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. Author manuscript; available in PMC: 2023 Jul 1.
Published in final edited form as: Phytochemistry. 2022 Apr 11;199:113200. doi: 10.1016/j.phytochem.2022.113200

Table 1.

1H and 13C NMR Data of Compounds 1–4.

Pos. 1 2 3 4
δC, type δH (J in Hz) δC, type δH (J in Hz) δC, type δH (J in Hz) δC, type δH (J in Hz)
1 88.2, C - 86.6, C - 80.4, C - 87.3, C -
2 137.7, C - 137.5, C - 134.8, C - 133.1, C -
3 140.4, C - 142.1, C - 134.0, C - 137.0, C -
4 76.0, CH 4.47, bs 75.8, CH 4.52, dd
(12.06, 6.5)
80.5, CH 4.80, d
(5.9)
75.5, CH 4.47, br s
5 65.0, CH 4.43, d (6.4 64.9, CH 4.47, d
(6.5)
67.9, CH 4.33, d
(6.0)
66.0, CH 4.47, br s
1’ 57.1, CH 4.51, d
(7.3)
59.5, CH 4.82, d
(6.7)
121.0, CH 6.18, m 120.6, CH 6.17, m
2’ 69.5, CH 4.33, p
(6.4)
70.0, CH 4.20, m 132.5, CH 5.93, dq
(15.7, 6.6)
134.55, CH 6.17, m
3’ 20.9, CH3 1.34, d
(6.2)
19.8, CH3 1.33, d
(6.4)
19.3, CH3 1.81, d
(7.2)
19.5, CH3 1.82, d
(5.1)
1” 171.9, C - 171.9, C - 173.0, C - 172.1, C -
2” 54.5, CH3 3.91, s 54.6, CH3 3.92, s 53.9, CH3 3.82, s 54.6, CH3 3.91, s
1-OH - 4.12 s - 5.11, s - - - -
4-OH - 3.43, d - 3.47, d - - - -
2’-OH - 1.95 s - 3.10 d - - - -
a

CDCl3 (1H NMR 400 MHz, 13C NMR 100 MHz).