(−)-Epicatechin-5-O-β-glucuronide | 3′-O-methyl-(−)-epicatechin-5-O-β-glucuronide | |
---|---|---|
H-2 | 4.81 s | 4.81 s |
H-3 | 4.07 m | 4.05 m |
H-4 | 2.76 m | 2.74 m |
H-6 | 6.14 d (2.1) | 6.09 s |
H-8 | 5.98 d (2.1) | 5.95 s |
H-2′ | 6.96 d (1.1) | 7.04 d (1.8) |
H-5′ | 6.74 d (9.6) | 6.84 d (8.3) |
H-6′ | 6.72 dd (1.1, 9.6) | 6.73 dd (1.8, 8.3) |
H-1" | 4.91 d (7.6) | 4.82 d (6.8) |
H-2" | 3.31 dd (7.6, 8.9) | —2-b |
H-3" | 3.36 dd (8.9, 9.0) | —2-b |
H-4" | 3.45 dd (9.0, 9.6) | 3.37 dd (9.5, 8.1) |
H-5" | 3.88 d (9.6) | 3.76 d (8.1) |
OCH3 | 3.75 s |