1-Methylpiperazine → 5-Bromo-2-(4-methylpiperazin-1-yl)pyridine

Participants

Reaction Steps

Heat 2-fluoro-5-bromopyridine (2.15 g, 12.22 mmol) with 1-methyl-piperazine (3.4 mL, 30.54 mmol) in THF (10 mL) in a microwave reactor at 120° C. for 45 min. Dilute with EtOAc (60 mL), then wash with NaHCO3 (2×30 mL) and brine (20 mL). Dry with Na2SO4, filter, and concentrate to give 2.01 g (64%) of the title compound. MS/ES m/z (79Br) 256 [M+H]+.

Provenance & Evidence