No abstract

177.9, 141.6, 133.8, 131.7, 127.9, 124.1, 122.4, 121.1, 114.3, 44.6, 36.8, 33.6, 30.9, 25.7, 25.4, 19.5, 17.7(3'S,6'S) 10-[(3 ',7')-Dimethyl-(6',7')-epoxyoct-1 '-yl] -9-(10H)-acridone (Compound 2a) and (3'S,6'R)10-[(3',7')-dimethyl-(6',7')-epoxyoct-1'-yl] -9(1OH)-acridone (Compound 2b). Sodium bicarbonate (100 mg) and m-chloroperbenzoic acid (250 mg of 50-60% suspension in water) were added to a solution of olefin 1 (210 mg; 0.63 mmol) in dichloromethane (6 ml). After 2 hr at 20°C, the solution was washed with saturated aqueous NaHCO3. 178.0, 141.7, 133.9, 128.0, 122.5, 121.2, 114.4, 64.4, 58.3, 44.7, 33.8, 33.2, 31.0, 26.1, 24.9, 19.8, 18.8