1-(2-Hydroxyethyl)piperazine → HCID 178523132, compound

Participants

Reaction Steps

The title compound was prepared as in Example 1 starting from 5-{2-[5-(3,4-dichlorophenyl)furan-2-yl]ethylcarbamoyl}-1H-pyrazole-3-carboxylic acid and 1-(2-hydroxyethyl)piperazine. The crude product was purified by flash chromatography using CH2Cl2-MeOH as a gradient eluent (100:0-90:10). 1H NMR (400 MHz, DMSO-d6): 2.40-2.44 (6H, m), 2.95 (2H, t), about 3.5-3.7 (6H, m), about 3.82 (2H, m), 4.41 (1H, t), 6.33 (1H, d), 7.01 (1H, d), about 7.05 (1H, broad s), 7.59 (1H, distorted dd), 7.63 (1H, distorted d), 7.84 (1H, d), about 8.59 (1H, broad s), 13.9 (1H, broad s).

Provenance & Evidence