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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 894865Generated: October 29, 2026

Trifluoroacetic acid → Nalpha-(2-acetylthiomethyl-5-aminopentanoyl)-L-lysine trifluoroacetate

https://huagongshe.com/reaction/894865

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantNalpha-[2-acetylthiomethyl-5-(p-methoxybenzyloxycarbonylamino)pentanoyl]-Nepsilon-tert-butyloxycarbonyl-L-lysine tert-butyl esterHCID 86736008—
ProductNalpha-(2-acetylthiomethyl-5-aminopentanoyl)-L-lysine trifluoroacetateHCID 22805334—

Reaction Steps

A solution of Nα -[2-acetylthiomethyl-5-(p-methoxybenzyloxycarbonylamino)pentanoyl]-Nε -tert-butyloxycarbonyl-L-lysine tert-butyl ester (1 g) in trifluoroacetic acid (5 ml) is stored at room temperature for one hour and then concentrated to dryness in vacuo to yield Nα -(2-acetylthiomethyl-5-aminopentanoyl)-L-lysine trifluoroacetate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04284780
Source datasetuspto-grants-1981_08
ORD IDord-07d59399ec2243dd9c503349277d5baf
Source noteuspto-grants-1981_08