Piperazine → HCID 4020459, compound

Participants

Reaction Steps

Synthesized according to General Procedure A: 2-iodobenzyl bromide (4{27}, 4.92 g, 16.8 mmol, 1 equiv.), piperazine (8.70 g, 101.0 mmol, 6 equiv.), THF (36.7 mL). Purification with flash column chromatography on silica gel (4:1 EtOAc:MeOH) afforded 5{27} (4.43 g, 89%) as a light yellow liquid. 1H-NMR (400 MHz, CDCl3): δ 7.80 (dd, 1H, J=1.2, 8.0 Hz) 7.39 (dd, 1H, J=1.2, 7.6 Hz), 7.30-7.26 (m, 1H), 6.91 (dt, 1H, J=1.2, 7.2 Hz), 3.47 (s, 2H), 2.86 (t, 4H, J=4.8 Hz), 2.46 (br s, 4H), 1.76 (br s, 1H). 13C-NMR (100 MHz, CDCl3): δ 140.4, 139.3, 130.2, 128.6, 127.8, 100.6, 66.9, 54.3, 46.0.

Provenance & Evidence