Journal of Chemistry

Research Article

Characterization of Phenolic Constituents from Prunus cerasifera Ldb Leaves

Table 2

1H-NMR (500 MHz, CD3OD) data of compounds 4–9.
No.456789
δH (J Hz)δH (J Hz)δH (J Hz)δH (J Hz)δH (J Hz)δH (J Hz)
21.96–2.17 (2H, m)1.94–2.14 (2H, m)1.90–2.12 (2H, m)1.90–2.13 (2H, m)1.90–2.12 (2H, m)2.12–2.32 (2H, m)
34.08 (1H, ddd, 1.8, 4.9, 4.9)5.23 (1H, d, 4.1)4.07 (1H, s)5.18 (1H, ddd, 1.8, 4.9, 4.9)4.07 (1H, s)5.36 (1H, m)
43.65 (1H, dd, 3.1, 8.8)3.63 (1H, dd, 3.1, 8.5)3.76 (1H, dd, 3.0, 8.1)3.63 (1H, dd, 3.1, 7.5)3.76 (1H, dd, 4.1, 7.8)3.96 (1H, dd, 3.0, 8.0)
55.25 (1H, ddd, 4.5, 9.4, 9.4)4.07 (1H, ddd, 3.6, 8.5, 8.5)5.25 (1H, ddd, 4.5, 9.4, 9.4)4.05 (1H, ddd, 9.0, 9.0, 4.5)5.24 (1H, ddd, 4.5, 9.4, 9.4)5.42 (1H, m)
61.96–2.17 (2H, m)1.94–2.14 (2H, m)1.90–2.12 (2H, m)1.90–2.13 (2H, m)1.90–2.12 (2H, m)2.12–2.32 (2H, m)
2′/2″6.96 (1H, d, 2.1)6.95 (1H, d, 2.1)7.37 (1H, d, 8.3)6.94 (1H, d, 2.0)7.09 (1H, d, 1.9)7.04 (1H, s)/7.46 (1H, d, 10.5)
3′/3″  6.70 (1H, d, 8.3)  6.80 (1H, d, 10.5)
5′/5″6.68 (1H, d, 8.2)6.68 (1H, d, 8.2)6.70 (1H, d, 8.3)6.68 (1H, d, 8.2)6.70 (1H, d, 7.9)6.76 (1H, d, 8.4)/6.80 (1H, d, 10.5)
6′/6″6.86 (1H, dd, 2.1, 8.2)6.86 (1H, dd, 2.1, 8.2)7.37 (1H, d, 8.3)6.85 (1H, dd, 2.0, 8.2)6.96 (1H, dd, 1.9, 7.9)6.95 (1H, d, 8.4)/7.46 (1H, d, 10.5)
7′7.48 (1H, d, 15.9)7.47 (1H, d, 15.9)7.52 (1H, d, 15.9)7.42 (1H, d, 15.9)7.52 (1H, d, 15.9)7.66/7.55 (1H, d, 15.9)
8′6.19 (1H, d, 15.9)6.18 (1H, d, 15.9)6.22 (1H, d, 15.9)6.13 (1H, d, 15.9)6.25 (1H, d, 15.9)6.39/6.24 (1H, d, 15.9)
OCH3   3.60 (3H, s)3.88 (3H, s)