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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 396899Generated: October 25, 2026

Tosyl-L-asparagine → (2S)-6-[[(2S)-4-amino-4-oxo-2-(p-tolylsulfonylamino)butanoyl]amino]-2-[isobutyl(p-tolylsulfonyl)amino]hexanoic acid

https://huagongshe.com/reaction/396899

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTosyl-L-asparagineHCID 6995570—
ReactantNalpha-isobutyl-Nalpha-(4-methylbenzenesulfonyl)-L-lysineHCID 23552860—
Product(2S)-6-[[(2S)-4-amino-4-oxo-2-(p-tolylsulfonylamino)butanoyl]amino]-2-[isobutyl(p-tolylsulfonyl)amino]hexanoic acidHCID 508584—

Reaction Steps

The title compound was prepared from Nα-isobutyl-Nα-(4-methylbenzenesulfonyl)-L-lysine (100 mg, 0.29 mmol, example 1, step E) as described in general procedure Bc using Nα-(4-methylbenzenesulfonyl)-L-asparagine (90 mg, 0.3 mmol) which was prepared in step A of example 47. The final product was triturated with ether to yield 95 mg (15%) of the desired material.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06608100B1
Source datasetuspto-grants-2003_08
ORD IDord-7b746c76e9954b4eba32adb59001a1d1
Source noteuspto-grants-2003_08