反应详情

To 11.4 g of 7-chloro-5-phenyl-1H-1,5-benzodiazepine-2,4-dione stirred in 150 ml methanol is added, dropwise, approximately 2.1 g of diazomethane in ether. After addition is complete, the reaction is stirred for 1 hour and filtered. The filtrate is evaporated and the residue diluted with a small amount of ether. The suspension is filtered and the filtrate evaporated to give the title compound.

1. additionis added
2. additionAfter addition
3. filtrationfiltered
4. customThe filtrate is evaporated
5. additionthe residue diluted with a small amount of ether
6. filtrationThe suspension is filtered
7. customthe filtrate evaporated