Water → HCID 90051744, compound

Participants

Reaction Steps

To a solution of N-Boc-N-methyl-L-alanine (561 mg) in tetrahydrofuran (14 mL), isobutyl chloroformate (362 μL) and N-methylmorpholine (303 μL) were added under ice cooling, and the mixture was stirred at the same temperature for 30 minutes. To the reaction mixture, 3-benzyloxyaniline (500 mg) was added under ice cooling, and the mixture was stirred at room temperature for 30 minutes. To the reaction mixture, water and ethyl acetate were added. The organic layer was separated, washed with saturated aqueous sodium chloride, and then dried over anhydrous sodium sulfate, and the solvent was evaporated under reduced pressure. The obtained residue was purified by silica gel column chromatography (eluent, 100 to 70% hexane in ethyl acetate) to obtain (S)-tert-butyl (1-((3-(benzyloxy)phenyl)amino)-1-oxopropan-2-yl)(methyl)carbamate (E15, 903 mg).

Provenance & Evidence