55276-43-2, 1-Methanesulfonylpiperazine is a piperazines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated
6-Bromo-1-chlorophthalazine (18 mg, 74 umol) and 1-(methylsulfonyl)piperazine (91 mg, 554 mumol) were dissolved in dichloromethane/methanol when the reaction mixture was concentrated by evaporation under a nitrogen line. The concentrate was heated to 120 C. for 6 h to give the title compound. MS (ES+): 373 (M+H)+., 55276-43-2
As the paragraph descriping shows that 55276-43-2 is playing an increasingly important role.
Reference：
Patent; Amgen Inc.; US2006/199817; (2006); A1;,
Piperazine – Wikipedia
Piperazines – an overview | ScienceDirect Topics