反应详情

It was prepared by suspending 5 g of 2,3-dihydro-1H-benzimidazole-2-one in 200 ml of distilled tetrahydrofuran and by adding 13.5 ml of trichloromethylchloroformate. The reaction mixture was refluxed for 3 hrs until a clear solution was obtained. After cooling the separated solid was removed by filtration and after concentration to dryness of the mother liquors 6.5 g of the title compound were obtained.

1. customIt was prepared
2. temperatureThe reaction mixture was refluxed for 3 hrs until a clear solution
3. customwas obtained
4. temperatureAfter cooling the separated solid
5. customwas removed by filtration
6. concentrationafter concentration to dryness of the mother liquors 6.5 g of the title compound
7. customwere obtained