反应详情

To a suspension of 455 mg of 4-carbamoylimidazolium-5-olate in 5 ml of dry pyridine was added 1.02 g of benzoyl chloride at a temperature below 5° C. After addition was over, the mixture was stirred under ice cooling for 2 hours. Then separated crystals were filtered off, washed with water and ether, dried to give 5-carbamoyl-1H-imidazol-4-yl benzoate, m.p. 204° C. (dec.).

1. additionAfter addition
2. customThen separated crystals
3. filtrationwere filtered off
4. washwashed with water and ether
5. customdried