HCID 10700194, compound → HCID 54346932, compound

Participants

Reaction Steps

N-{(1R)-1-[N-(2-{2-[2-((Fluoren-9-ylmethoxycarbonyl)amino)acetylamino]phenyl}ethyl)-N-methylcarbamoyl]-2-(2-naphthyl)ethyl}-N-methylcarbamic acid tert-butyl ester (1.18 g, 1.59 mmol) was dissolved in 3.0 M hydrogen chloride in ethyl acetate (8 ml). The reaction mixture was stirred for 2.25 h at room temperature. The solvent was removed in vacuo. The residue was washed with diethyl ether (3×20 ml) and dried in vacuo to give 1.198 g of crude [(2-{2-[N-methyl-N-((2R)-2-methylamino-3-(2-naphthyl)propionyl)amino]ethyl}phenylcarbamoyl)methyl]carbamic acid (fluoren-9-yl)methyl ester as hydrochloride, which was used for the next step without purification.

Provenance & Evidence