Methyl iodide → HCID 57870885, compound

Participants

Reaction Conditions

Reaction Steps

235 mg (0.49 mmol) of ethyl (2R,3R)-8-[N-(2-chloro-4-fluorophenyl)sulfamoyl]-2,3-bis(hydroxymethyl)-1,4-dioxaspiro[4.5]dec-6-ene-7-carboxylate obtained in Example 17 was dissolved in 1.5 ml of acetone, and 84 mg (0.59 mmol) of methyl iodide and 138 mg (1.00 mmol) of potassium carbonate were added sequentially, followed by stirring for 3 hours at 50° C. After the reaction solution was filtered, the filtrate was concentrated under reduced pressure, and the residue was subjected to silica gel column chromatography (solvent; hexane ethyl acetate=1:3) to give 175 mg of the title compound as a white amorphous substance (yield: 73%).

Provenance & Evidence