Ethanol → HCID 54221625, compound

Participants

Reaction Steps

4-methoxybenzyl 2-(N-benzyloxycarbonyl-L-valyloxy)-3-methyl-(S)-(+)-butyrate was de-esterified by the method described in Example A-I-1, step c. The title compound (3.41 g) was obtained after silica gel column chromatography (2, 10, 20% ethanol in dichloromethane). Rf (2% MeOH/CHCl3) 0.45. The compound may be activated and esterified directly to a drug or further modified as described below:

Provenance & Evidence