39539-66-7, 4-Methylpiperazine-1-carbonyl chloride is a piperazines compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated
The 4′-OH was protected using methyl pipirazine carbonyl chloride (11 mg, 0.054 mMoles) in 2mL DCM, 200 muL Allyl alcohol and pyridine (21 muL) for 2 hours. The product was purified by silica gel column chromatography and Identified by Mass Spec, MS+1 = 654, 39539-66-7
As the paragraph descriping shows that 39539-66-7 is playing an increasingly important role.
Reference：
Patent; MEDAREX, INC.; WO2005/112919; (2005); A2;,
Piperazine – Wikipedia
Piperazines – an overview | ScienceDirect Topics