Chloride → HCID 12149971, compound

Participants

Reaction Steps

To a solution of 0.0037 ml of oxaryl chloride in 0.3 ml of dichloromethane, 0.0065 ml of dimethyl sulfoxide was added at −78° C., followed by 20 minutes' stirring at the same temperature. Then a solution of 25 mg of (2R)-N-{((3R)-1-cyclohexylmethyl-3-piperidyl)methyl}-1-{(2S,4R)-4-hydroxy-1-(3,3,3-triphenylpropanoyl)pyrrolidin-2-yl}carbonylpyrrolidine-2-carboxamide in 0.9 ml of dichloromethane was added at the same temperature, followed by 30 minutes' stirring, addition of 0.0024 ml of triethylamine at the same temperature, and 20 minutes' stirring at room temperature. The reaction liquid was diluted with chloroforom, washed with saturated brine and dried over anhydrous sodium sulfate. Distilling the solvent off under reduced pressure, the resulting residue was purified with a preparative thin-layer chromatography (Kieselgel™ 60F254, Art 5744 (Merck); chloroform/methanol=9/1), to provide 18 mg of the title compound as a pale pink solid.

Provenance & Evidence