Production of an n-(substituted) piperazine compound

Details Production of an n-(substituted) piperazine compound Production of an n-(substituted) piperazine compound

C - Chemistry, Metallurgy

07

D

260/267.1

C07D 295/02 (2006.01) C07D 241/04 (2006.01) C07D 295/023 (2006.01) C07D 295/03 (2006.01) C07D 295/088 (2006.01)

Patent

CA 1074317

PRODUCTION OF AN N-(SUBSTITUTED) PIPERAZINE COMPOUND (D#75,Oll-3-F) Abstract of the Disclosure An improved process for producing an N-(substituted) piperazine compound is disclosed wherein an N-(substituted) dialkanolamine is contacted with ammonia in the presence of a catalytically effective amount of a phosphorus-containing substance at a temperature of from about 250°C to about 350°C under a pressure sufficient to maintain the mixture essentially in liquid phase, said N-(substituted) dialkanolamine compound having the formula: Image wherein each R is, independently, hydrogen or a lower alkyl radical and R' is an alkyl radical, substituted alkyl radical, an aryl radical or a substituted aryl radical; and, recovering from the resultant reaction mixture said N-(substituted) piperazine compound.

253358

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