反应详情

Compound 20i was prepared by the same method described for 20f using 5-amino-1-cyclohexyl-5-ethylbarbituric acid (0.51 g, 2 mmol). The crude 1-cyclohexyl-5-ethyl-5-(tetrafluorobenzamido)barbituric acid (20i) was obtained as yellow crystals and did not require further purification.

1. customCompound 20i was prepared by the same method