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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 989936Generated: October 29, 2026

Ethanol → HCID 54221625, compound

https://huagongshe.com/reaction/989936

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
ReactantHCID 54417723HCID 54417723—
SolventDichloromethaneHCID 6344—
ProductHCID 54221625HCID 54221625—

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

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06458772B1
Source datasetuspto-grants-2002_10
ORD IDord-91ec261ce04e4a80bbb0249c214c74e9
Source noteuspto-grants-2002_10