反应详情

温度

20 °C

The product of Step G was dissolved in 20 ml of acetone and then 3 ml of methyl iodide and 4 g of potassium carbonate were added. The mixture was stirred for 16 hours at 20° C. After bringing the mixture to dryness, the residue was chromatographed on silica, eluting with a hexane--ethyl acetate mixture (8-2) to obtain 1.3 g of the desired product. Thin layer chromatography; Rf=0.20 [eluant: hexane--ethyl acetate (8-2)].

1. customthe residue was chromatographed on silica
2. washeluting with a hexane