N-(t-butyloxycarbonyl)methyl-N-t-butyloxycarbonyl-D-leucine benzyl ester → N-(t-butyloxycarbonyl)methyl-N-t-butyloxycarbonyl-D-leucine

Participants

Reaction Steps

N-(t-butyloxycarbonyl)methyl-N-t-butyloxycarbonyl-D-leucine benzyl ester (2.1 g) was dissolved in methanol (25 ml), and 10% palladium-carbon (210 mg) was added. The resulting mixture aerated with hydrogen was allowed to react at room temperature for 3 h, filtered and concentrated under reduced pressure to remove the solvent to give a colourless oil (1.66 g, 96%), which was directly used for the next reaction.

Provenance & Evidence