1.1.3.5-Substituted biurets, WORKING METHODS FOR PREPARATION THEREOF, AND PHARMACEUTICAL PREPARATIONS CONTAINING THE biurets.

摘要

A novel 1,1,3,5-substituted biuret compound of the formula: IMAGE wherein R1 and R2 are respectively the same or different, and each are alkyl groups having 1 to 4 carbon atoms; R3 is a cyclohexyl group or a phenyl group which may be unsubstituted or may have at least one substituent selected from the group consisting of chlorine, bromine, fluorine, methyl, trifluoromethyl, dimethylamino, methoxy, methylthio, nitro and acetyl. The novel 1,1,3,5-substituted biuret compounds are useful as an analgesic, anti-inflammatory and/or anti-pyretic agent.