Hydrochloric Acid → 1-(4-fluorophenyl)-2-(piperazin-1-yl)-1H-indole-3-carboxaldehyde hydrochloride

Participants

Reaction Steps

2-Chloro-1-(4-fluorophenyl)-1H-indole-3-carboxaldehyde is reacted with piperazine as described in Step 2 of Example 29 and subsequently treated with hydrochloric acid as described in Example 44 to afford 1-(4-fluorophenyl)-2-(piperazin-1-yl)-1H-indole-3-carboxaldehyde hydrochloride (40% yield) as a cream solid. ESI/MS 324 (M+H); RT=2.44 min; NMR 10.15 (1H, s); 8.13 (1H, d, J=9 Hz); 7.71 (2H, m); 7.54 (2H, m); 7.23 (2H, m); 6.95 (1H, d, J=9 Hz); 3.33 (4H, br s); 2.95 (4H, br s).

Provenance & Evidence