Table 2 13 C NMR spectroscopic data for 1 – 7 in Nor-hopanes from Zanha africana root bark with toxicity to bruchid beetles

Table 2 13 C NMR spectroscopic data for 1–7 in ‡ CDCl or MeOD. 3
Atom‡ 112345‡ 667140.441.843.643.643.741.842.443.741.6232.533.233.733.733.733.332.933.737.2373.174.074.173.873.874.073.174.1204.84149.1151.1151.6151.3151.2151.1149.6151.7146.6550.551.651.851.351.251.650.651.951.9671.772.072.071.871.872.271.872.269.8775.577.377.076.676.677.875.477.377.1846.748.249.850.150.248.348.549.949.6949.350.855.352.953.251.354.555.754.71038.439.841.340.841.039.939.841.338.91121.422.771.074.574.823.070.571.171.01224.125.437.032.832.925.636.636.936.91348.149.748.347.947.950.547.448.949.11444.345.645.345.245.245.243.644.944.91535.137.036.936.836.836.133.935.936.01621.422.422.622.522.521.220.221.221.21753.754.955.055.055.0140.9138.5140.4140.21844.245.545.345.345.251.249.450.950.91940.641.741.441.341.243.241.742.842.92027.128.328.328.328.328.227.428.428.42148.049.549.449.449.4137.3136.8137.7137.722148.0149.0149.0148.8148.827.626.327.627.623105.3105.9106.0106.5106.4105.9105.5106.0122.225-Me16.116.716.716.917.016.716.216.716.526-Me12.713.213.813.914.012.813.213.613.727-Me17.317.918.318.318.316.015.716.216.128-Me15.115.615.415.415.419.418.419.019.129109.6110.3110.3110.5110.522.321.822.322.230-Me 7- O -(4-OHBz)19.819.819.919.919.921.721.321.721.7CO165.1167.8167.8167.6167.7167.6164.9167.6167.41123.3123.4123.4123.2123.1123.3123.1123.2123.12,6132.0133.2133.1133.2133.2133.2132.1133.2133.23,5115.5116.3116.3116.4116.4116.3115.5116.3116.34159.9163.6163.7163.7163.7163.6160.0163.7163.711-OAc CO172.1Me22.111- O -(4-OHBz) CO167.31123.12,6133.13,5116.44163.8