2.1 Chemicals
Cis -cyclooctene, methyl benzoate, n-dodecane, AgNO3/Silica (10% loading, +230 mesh size), ammonium hydroxide (28% NH3 in H2O), 1,3,5 trimethoxy benzene, n-hexane, diethyl ether and dichloromethane were purchased from Sigma-Aldrich chemical company and used as received. The solvent purity were all according to HPLC grade (>95%). Ultrapure water (HPLC grade, 18.2 MΩ at 25°C) was used.