Evidence-Based Complementary and Alternative Medicine / 2015 / Article / Tab 1

Research Article

Uncommon Trimethoxylated Flavonol Obtained from Rubus rosaefolius Leaves and Its Antiproliferative Activity

Table 1

1H and 13C NMR data of compound  1 in DMSO-d6.

Position1H NMR13C NMRHMBC

2146.3
3135.8
4176.4
5147.3
6131.0
7150.6
8127.7
9144.5
10102.4
1′123.4
2′, 6′8.24 d (9.0)129.2C-2, C-2′6′, C-4′
3′, 5′7.17 d (9.0)114.2C-1′, C-3′5′, C4′
4′160.5
OMe-4′3.80 s55.4C-4′
OMe-63.79 s60.2C-6
OMe-83.85 s61.1C-8
OH-39.56 s
OH-510.38 s
OH-712.26 sC-6, C-9, C-10

in PPM; in Hz; 1H NMR at 300 MHz and 13C NMR at 75 MHz.