Triethylamine → 1-(2-chloro-4-fluorobenzoyl)-3-(2-methoxy-4-(5-methoxy-2-oxo-3H-[1,3,4]-oxadiazol-3-yl)phenyl)urea

Participants

Reaction Steps

The solution of equivalent amounts of 2-chloro-4-fluorobenzoyl isocyanate in acetonitrile was added dropwise to the solution of 0.39 g of 5-methoxy-3-(4-amino-3-methoxyphenyl)-3H-[1,3,4]oxadiazol-2-one hydrochloride and 0.2 ml of triethylamine in 5 ml of acetonitrile and the mixture is stirred at room temperature overnight. The solid formed was filtered off with suction and dried under reduced pressure.

Provenance & Evidence