Dimethylformamide → HCID 58775951, compound

Participants

Reaction Steps

EDCI (0.33 mmol, 0.07 g) was added in one portion to a suspension of Compound 14c (0.25 mmol, 0.05 g), 5-chloro-1H-indole-2-carboxylic acid Compound 14d (0.22 mmol, 0.04 g) and HOBt (0.22 mmol, 0.03 g) in DMF (5.0 mL) at 0° C. The resulting suspension was warmed to r.t. and then a crystal of DMAP and Et3N (0.65 mmol, 0.1 mL) was added and the reaction mixture was stirred overnight. The resulting orange-yellow suspension was poured in water and was extracted with EtOAc (25 mL). The organic layer was washed with water (2×20 mL) followed by 5% NaOH solution (10 mL) and brine. The organic layer was separated, dried over Na2SO4 and filtered. The solvent was removed in vacuo and the resulting residue was purified by preparative TLC (15:1 CH2Cl2/MeOH) to yield 5-chloro-1H-indole-2-carboxylic acid {4-[(cyclohexyl-methyl-amino)-methyl]-phenyl}-amide Compound 14e (0.06 g, 68%) as a pale yellow solid. MS m/e 396 (M+H, 100%).

Provenance & Evidence