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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1634683Generated: October 26, 2026

2-Aminopyridine → (2S)-2-[isobutyl(p-tolylsulfonyl)amino]-6-[[2-(2-pyridylamino)acetyl]amino]hexanoic acid

https://huagongshe.com/reaction/1634683

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-AminopyridineHCID 10439—
ReactantDiisopropylethylamineHCID 81531—
ReactantNalpha-isobutyl-Nalpha-(4-methylbenzenesulfonyl)-Nepsilon-iodoacetyl-L-lysineHCID 86589941—
Product(2S)-2-[isobutyl(p-tolylsulfonyl)amino]-6-[[2-(2-pyridylamino)acetyl]amino]hexanoic acidHCID 508629—

Reaction Steps

The title compound was prepared from Nα-isobutyl-Nα-(4-methylbenzenesulfonyl)-Nε-iodoacetyl-L-lysine (200 mg, 0.38 mmol, example 105, step B) by following the indications of general procedure H using DIEA (0.19 mL, 1.09 mmol) and 2-aminopyridine (170 mg, 1.31 mmol). The crude material was purified by preparative HPLC. The product was isolated as a solid (88 mg, 47% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06506786B2
Source datasetuspto-grants-2003_01
ORD IDord-9b815c02be6147e9a9a98712e498d831
Source noteuspto-grants-2003_01