Hydrochloric Acid → 1-(4-ethylphenyl)-2-(piperazin-1-y)-1H-indole-3-carboxaldehyde hydrochloride

Participants

Reaction Steps

2-Chloro-1-(4-ethylphenyl)-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-ethylphenyl)-2-(piperazin-1-y)-1H-indole-3-carboxaldehyde hydrochloride (39% yield) as a cream solid. ESI/MS 334 (M+H); RT=2.67 min; NMR 10.13 (1H, s); 8.11 (1H, d, J=6 Hz); 7.50 (4H, s); 7.24 (2H, m); 6.94 (1H, d, J=6 Hz); 3.42 (4H, m); 2.95 (4H, m); 2.76 (2H, q); 1.30 (3H, t).

Provenance & Evidence