Hydrochloric Acid → HCID 54330522, compound

Participants

Reaction Steps

Dimethyl-thiocarbamic acid S-(4-bromo-3,5-dimethyl-phenyl) ester (5.78 g, 20.14 mmol) is diluted with methanol (50 mL) and sodium methoxide (4.75 mL of 4.25M in methanol, 20.14 mmol) is added. The reaction is heated to reflux under nitrogen and monitored by TLC. After complete conversion, 20 hours, the reaction is allowed to cool to room temperature. The reaction is neutralized with 1N hydrochloric acid (7.5 mL) and diluted with ethyl acetate (150 mL). The two phases are separated and the organic layer is washed with water (75 mL), then brine (75 mL). The organic layer is dried over anhydrous sodium sulfate, concentrated and loaded onto silica gel column. The title compound is purified using flash column chromatography, yielding 4.0 g, or 92%.

Provenance & Evidence