反应详情

After adding 794 mg of 4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylamine, 871 mg of 8-ethyl-4H-benzo[1,3]dioxine-6-carbaldehyde, 1 g of MS3A and 1 ml of trimethylsilyl cyanide to a solution of 281 mg of Yb(OTf)3 in 20 ml of dichloromethane under a nitrogen atmosphere, the mixture was stirred at room temperature for 2 days. The reaction mixture was filtered through celite, and the celite was washed with 100 ml of ethyl acetate. The organic layer was concentrated under reduced pressure to give (8-ethyl-4H-benzo[1,3]dioxin-6-yl)-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylamino]acetonitrile (crude product) as a light yellow solid.

1. filtrationThe reaction mixture was filtered through celite
2. washthe celite was washed with 100 ml of ethyl acetate
3. concentrationThe organic layer was concentrated under reduced pressure