Table 1 1 H in Nor-hopanes from Zanha africana root bark with toxicity to bruchid beetles

Table 1 1 H NMR spectroscopic data (δ 1 H, J in Hz) for 1–4 in ‡ CDCl or MeOD. 3
Atom‡ 11‡ 223411.83 m, 1.12 m1.81 m, 1.13 m2.89 m, 1.19 m2.89 dt (13.7, 3.6), 1.21 m2.33 dt (13.6, 3.7), 1.32 m2.33 dt (13.5, 3.5), 1.42 m21.99 m, 1.49 m1.88 m, 1.50 m1.94 m, 1.49 m1.82 m, 1.48 m1.85 m, 1.45 m1.72 m, 1.31 m33.98 br m3.93 dd (11.6, 5.3)3.98 br m3.91 br m3.93 dd (11.8, 5.4)3.92 dd (11.8, 5.3)51.79 m1.76 m1.83 m1.78 m1.83 m1.87 m64.43 br m4.38 dd (3.8, 2.1)4.37 dd (3.6, 2.0)4.31 dd (3.7, 2.0)4.32 dd (3.8, 2.0)4.34 dd (3.8, 1.9)75.30 d (3.9)5.17 d (3.8)5.26 d (3.6)5.12 d (3.7)5.15 d (3.8)5.19 d (3.8)91.56 m1.60 m1.65 m1.68 m2.01 d (11.3)2.16 d (11.3)111.74 m, 1.57 m1.77 m, 1.60 m4.30 m4.20 m5.48 dt (11.0, 5.3)5.76 dt (10.8, 5.5)121.51 m (2H)1.55 m (2H)1.81 m, 1.59 m1.77 m, 1.69 m1.79 m, 1.64 m1.85 m, 1.77 m131.53 m1.59 m1.67 m1.69 m1.75 m1.81 m151.55 m, 1.04 m1.64 m, 1.04 m1.45 m, 1.06 m1.55 m, 1.02 m1.56 m, 1.03 m1.61 m, 1.06 m161.22 m, 1.09 m1.13 m (2H)1.23 m, 1.11 m1.16 m (2H)1.17 m, 1.13 m1.19 m, 1.14 m170.98 m1.04 m0.97 m1.03 m1.05 m1.07 m191.53 m, 1.07 m1.55 m, 1.11 m1.54 m, 1.09 m1.55 m, 1.14 m1.50 m, 1.14 m1.50 m, 1.16 m201.83 m, 1.44 m1.84 m, 1.45 m1.85 m, 1.46 m1.86 m, 1.47 m1.85 m, 1.47 m1.83 m, 1.46 m212.20 m2.21 m2.21 m2.22 m2.22 m2.23 m235.36 br m, 5.20 br m5.34 br m, 5.20 br m5.40 br m, 5.22 br m5.39 dd (3.7, 1.8), 5.21 m5.41 m, 5.22 m5.40 m, 5.19 m25-Me1.06 s1.05 s1.27 s1.24 s1.10 s1.11 s26-Me1.62 s1.67 s1.65 s1.69 s1.75 s1.81 s27-Me1.07 s1.08 s1.09 s1.09 s1.12 s1.18 s28-Me0.68 s0.71 s0.70 s0.74 s0.72 s0.73 s294.64 dd (2.5, 1.3), 4.62 dm (2.5)4.64, 4.604.65 dd (2.5, 1.4), 4.62 dm (2.5)4.64 dd (2.5, 1.4), 4.59 dm (2.5)4.64 dd (2.4, 1.4), 4.60 m4.65 dd (2.4, 1.4), 4.60 m30-Me 7- O -(4-OHBz)1.65 s1.64 s1.64 br dd (1.4, 0.6)1.63 br dd (1.4, 0.6)1.63 s1.64 s2,67.97 d (8.8)7.93 d (8.9)7.95 d (8.8)7.92 d (8.8)7.93 d (8.8)7.94 d (8.8)3,56.89 d (8.8)6.85 d (8.9)6.88 d (8.8)6.84 d (8.8)6.85 d (8.8)6.86 d (8.8)11-OAc Me2.03 s11- O -(4-OHBz) 2,67.89 d (8.8)3,56.85 d (8.8)