反应详情

To a stirred solution of ethyl 4-[1-(3-aminobenzoyl)indolizin-3-yl]butyrate (320 mg) in methylene chloride (10 ml) was added diisopropylethylamine (0.22 ml) and bis(4-isobutylphenyl)chloromethane (340 mg) in methylene chloride (5 ml) at room temperature. After stirring for 18 hours, the reaction mixture was evaporated and extracted with ether. The organic layers were washed with water and brine and dried over sodium sulfate. After evaporation of the solvent, the residue was chromatographed on silica gel (methylene chloride:ethyl acetate=20:1) to give ethyl 4-[1-[3-[bis(4-isobutylphenyl)methylamino]benzoyl]indolizin-3-yl]butyrate (279 mg).

1. customthe reaction mixture was evaporated
2. extractionextracted with ether
3. washThe organic layers were washed with water and brine
4. dry with materialdried over sodium sulfate
5. customAfter evaporation of the solvent
6. customthe residue was chromatographed on silica gel (methylene chloride:ethyl acetate=20:1)