反应详情

260 mg (1.00 mmol) of 2-(4-methoxyphenyl)-3-oxo-1-azaspiro[4.5]dec-1-en-4-one was added to a solution of 252 mg (2.45 mmol) of L-valinol in 5 ml of ethyl acetate, and the mixture was stirred at room temperature for 4 days. The reaction solution was distilled off under reduced pressure, and the residue was washed with diethyl ether to obtain 243.5 mg (66.7%) of the title compound.

1. distillationThe reaction solution was distilled off under reduced pressure
2. washthe residue was washed with diethyl ether