4-(4-(4-(4-((tert-Butyldimethylsilyl)oxy)phenyl)piperazin-1-yl)phenyl)-1H-1,2,4-triazol-5(4H)-one is an intermediate in the synthesis of 2,4-Dihydro-4-[4-[4-(4-hydroxyphenyl)-1-piperazinyl]phenyl]-3H-1,2,4-triazol-3-one (D449060), which is an intermediate of SCH 51048, an antifungal agent.