m-Bromobenzenesulphonyl chloride → 1-(3-Bromobenzenesulfonyl)-4-methylpiperazine

참여 물질

반응 단계

A solution of 1-methylpiperazine (0.072 ml, 0.65 mmol) and 3-bromobenzene-1-sulfonyl chloride (0.2 g, 0.78 mmol) in pyridine (3 ml) is stirred at room temperature for 2 hours. The reaction mixture is diluted with 2M HCl, and extracted with DCM. The aqueous layer is made basic with 2M NaOH, and is extracted with DCM. The DCM layers are combined, dried (MgSO4) and the solvent removed in vacuo to afford the title compound as an orange oil. [M+H]+ 345.

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