3-chloro-benzenecarboperoxoic acid in dichloromethane T=0°C; 2 h;

1: 97 percent / H2 / 5percent Rh/Al2O3 / methanol / 24 h / 25 °C / 2585.7 Torr 2: 91.1 percent / diethyl ether / 25 °C 3: 2.0 g / pyridine / benzene / 24 h / 25 °C 4: 62.3 percent / 1,8-dizazabicyclo<5.4.0>undec-7-ene (DBU) / dioxane / 1 h / Heating 5: 63 percent / m-chloroperbenzoic acid (MCPBA) / CH2Cl2 / 2 h / 0 °C View Scheme

diazomethane in diethyl ether; water Kinetics; react. of alkene with Cr-compd. in aq. soln. in cuvettes, after react. addn. of etheral soln. of diazomethane for epoxide analysis; monitored by UV, ether phase is extracted , then drying over MgSO4, evapn. to dryness, GC after dissolving in CH2Cl2;

1: 91.1 percent / diethyl ether / 25 °C 2: 2.0 g / pyridine / benzene / 24 h / 25 °C 3: 62.3 percent / 1,8-dizazabicyclo<5.4.0>undec-7-ene (DBU) / dioxane / 1 h / Heating 4: 63 percent / m-chloroperbenzoic acid (MCPBA) / CH2Cl2 / 2 h / 0 °C View Scheme

1: 2.0 g / pyridine / benzene / 24 h / 25 °C 2: 62.3 percent / 1,8-dizazabicyclo<5.4.0>undec-7-ene (DBU) / dioxane / 1 h / Heating 3: 63 percent / m-chloroperbenzoic acid (MCPBA) / CH2Cl2 / 2 h / 0 °C View Scheme

1: 62.3 percent / 1,8-dizazabicyclo<5.4.0>undec-7-ene (DBU) / dioxane / 1 h / Heating 2: 63 percent / m-chloroperbenzoic acid (MCPBA) / CH2Cl2 / 2 h / 0 °C View Scheme

in solid matrix T=-196°C; 10 h; Irradiationactivation energy; Rate constantThermodynamic data;

di-tert-butyl peroxide T=139.85°C; Dimerization; ring cleavage; hydrogenation; 6 h; Further byproducts given;

in toluene