Carbon Chemical Shifts (PPM from Internal TMS)

Supplemental Table 1

Incensole acetate (IA ) and incensole (IN), isolated on basis of their IκBα inhibitory effect, present similar 13C NMR spectra to the known spectra of the compounds.

* in CDCl3

Supplemental Table 2

A full NMR spectral peak assignment for IA.

Carbon numbering / Carbon chemical shifts (PPM from internal TMS)* /

Carbon chemical shifts (PPM from internal TMS)**

/

Hydrogen chemical shifts (PPM from internal TMS)*

1 / 90.1s / 89.19 s / -
2 / 31.5 t / 30.32 t / 1.53 m (2H)
3 / 36.5 t / 35.57 t / 1.43 ddd (12.5, 7.5, 5.0), 1.92 m
4 / 84.1 s / 83.05 s / -
5 / 77.1 d / 76.54 d / 5.06 d (10.4)
6 / 28.9 t / 27.67 t / 1.50 m, 1.92 m
7 / 34.6 t / 33.35 t / 1.78 t (13.6), 1.97 dd (13.6, 5.5)
8 / 133.9 s / 133.16 s / -
9 / 126.7 d / 125.32 d / 5.39 brt (6.4)
10 / 26.0 t / 24.74 t / 2.18 m (2H)
11 / 39.6 t / 38.47 t / 2.07 t (9.0), 2.19 m
12 / 136.0 s / 135.17 s / -
13 / 122.1 d / 121.03 d / 5.32 brt (6.2)
14 / 32.9 t / 31.99 t / 2.09 dd (15.8, 7.5), 2.14 m
15 / 23.0 q / 21.26 q / 1.10 s (-)
16 / 18.5 q / 17.63 q / 1.58 s (-)
17 / 16.9 q / 15.98 q / 1.54 s (-)
18 / 36.1 d / 34.91 d / 1.83 sep (6.8)
19 / 18.8 q / 17.98 q / 0.86 d (6.8)
20 / 18.9 q / 18.03 q / 0.78 d (6.8)
AcMe / 21.5 q / 22.00 q / 1.64 s (-)
AcCO / 171.0 s / 171.11 s / -

* in C6D6

** in CDCl3

Supplemental Figure 1