Skip to main content
. 2019 Oct 17;8(10):492. doi: 10.3390/antiox8100492

Table 2.

The 1H and 13C NMR spectral data (recorded in CD3OD) of BV2 fraction isolated from Bauhinia variegata L. bark.

Carbon No. 1H NMR (δppm) 13C NMR (δppm)
1 - 37.6
2 - 32.0
3 3.52 72.2 (CH)
4 - 42.7
5 - 141.1
6 5.36 (H, dd) 122.1 (CH)
7 - 32.0
8 - 32.3
9 - 50.5
10 - 36.5
11 - 21.4
12 - 37.6
13 - 42.7
14 - 57.1
15 - 24.7
16 - 29.5
17 - 56.4
18 0.71 12.3 (CH)
19 0.93 19.4
20 - 40.1
21 1.02 (H, d) 21.4 (CH)
22 5.36 138.7 (CH)
23 - 129.6
24 - 50.5
25 - 32.0
26 0.82 (2H, d) 19.1 (CH3)
27 0.80 (2H, d) 21.4 (CH3)
28 - 24.7 (CH3)
29 0.82 (2H, d) 12.2 (CH3)

H = hydrogen; C = Carbon; δppm = chemical shift; br = broad signal; s = singlet; d = doublet; dd=doublet of doublets; J = coupling constant; Hz = hertz; NMR = nuclear magnetic rasonance; CD3OD = Deuterated methanol.