反应详情

温度

50 °C

To a mixture of methyl 2-[5-chloro-2-[4-[(5-methyl-2-phenyl-4-oxazolyl)methoxy]benzyloxy]phenyl]acetate (0.68 g), tetrahydrofuran (2 mL) and methanol (2 mL) was added a 1N aqueous sodium hydroxide solution (2.8 mL) and the mixture was stirred at 50° C. for 1 hr. 1N Hydrochloric acid (3 mL) and water were added to the reaction mixture, and the precipitated solid was collected by filtration, and dried with air to give crystals (0.63 g, 97%) of 2-[5-chloro-2-[4-[(5-methyl-2-phenyl-4-oxazolyl)methoxy]benzyloxy]phenyl]acetic acid. Recrystallization from ethyl acetate-hexane gave colorless prism crystals. melting point: 160-161° C.

1. filtrationthe precipitated solid was collected by filtration
2. customdried with air