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. 2021 Jan 21;26(3):555. doi: 10.3390/molecules26030555

Table 3.

NMR data of guaia-4(15)-en-11-ol and guaia-4-en-11-ol (isoguaiol B). NMR data were recorded on a 700 MHz spectrometer in C6D6 at 298 K. Coupling constants J are given in Hz and multiplicities are indicated by s = singlet, d = doublet, m = multiplet, br = broad.

C Guaia-4(15)-en-11-ol (1) Guaia-4-en-11-ol (2)
13C 1H 13C 1H
1 52.34 (CH) 1.18 (m) 55.60 (CH) 2.28 (m)
2 32.42 (CH2) 1.76 (m, Hα)
1.00 (m, Hβ)
30.42 (CH2) 1.92 (m)
1.51 (m)
3 32.96 (CH2) 2.32 (ddm, J = 15.9, 7.8, Hβ)
2.19 (m, Hα)
36.60 (CH2) 2.23 (m)
2.13 (m)
4 159.08 (Cq) 131.74 (Cq)
5 46.33 (CH) 2.15 (m) 138.62 (Cq)
6 34.56 (CH2) 1.88 (ddd, J = 13.9, 9.2, 6.1, Hβ)
1.54 (ddd, J = 13.9, 11.3, 8.0, Hα)
30.37 (CH2) 2.67 (d, J = 15.2)
2.00 (m)
7 49.56 (CH) 1.41 (m) 49.30 (CH) 1.36 (m)
8 26.71 (CH2) 1.74 (m, Hα)
1.10 (m, Hβ)
31.51 (CH2) 1.90 (m)
1.00 (m)
9 40.29 (CH2) 1.77 (m, Hβ)
0.96 (m, Hα)
40.26 (CH2) 1.78 (m)
1.10 (m)
10 42.32 (CH) 1.06 (m) 39.37 (CH) 1.33 (m)
11 73.26 (Cq) 72.82 (Cq)
12 27.75 (CH3) 1.03 (s) 26.89 (CH3) 1.03 (s)
13 25.78 (CH3) 1.01 (s) 26.66 (CH3) 1.02 (s)
14 21.58 (CH3) 0.87 (d, J = 6.5) 22.01 (CH3) 0.93 (d, J = 6.6)
15 104.24 (CH2) 5.00 (m, HE)
4.91 (br, HZ)
14.60 (CH3) 1.63 (br s)