反应详情

30.0 g (136 mmol) of 1-acetyl-5-nitro-2-indolinone are dissolved in a mixture of 650 ml of dichloromethane and 650 ml of methanol and after the addition of 5 g of 10% palladium on activated charcoal the mixture is hydrogenated for 45 minutes with hydrogen. Then the catalyst is filtered off and evaporated down.

1. filtrationThen the catalyst is filtered off
2. customevaporated down