反应详情

Into methylene chloride (40 mL) was dissolved 4-isopropyl-2-methoxymethoxy-benzoic acid (6.0 g, 26.8 mmol). Methanol (10 mL) was added, followed by the dropwise addition of 2 M hexane solution of trimethylsilyldiazomethane (14.7 mL). After 2 h, HOAc (0.5 mL) was added and the solvent was removed under vacuum, giving the title compound as an oil, which was used in next step without further purification.

1. customthe solvent was removed under vacuum