Ethyl isocyanate → HCID 69550224, compound

Participants

Reaction Steps

To a stirred solution of N-(1-{[1-sec-butyl-4-(2-{2-[2-(3-hydroxy-phenyl)-ethylcarbamoyl]-1-methylsulfanyl-propyl}-pyrrolidin-1-yl)-2-methoxy-4-oxo-butyl]-methyl-carbamoyl}-2-methyl-propyl)-2-dimethylamino-3-methyl-butyramide (30 mg, 0.035 mmol) in CH2Cl2 (0.5 mL) were added ethyl isocyanate (0.042 mL, 0.53 mmol) and diisopropylethylamine (0.062 mL, 0.35 mmol) at room temperature. After being stirred at room temperature for 13hr, the mixture was concentrated in vacuo to give a crude oil (58 mg), which was purified by preparative HPLC (column:ODS-8OTs, eluent: 35/35 H2O:CH3CN/0.05% TFA). The appropriate fractions were lyophilized to give the title compound as a white amorphous powder (13 mg, 39%).

Provenance & Evidence