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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 396919Generated: October 26, 2026

4-Aminopyridine → (2S)-2-[isobutyl(p-tolylsulfonyl)amino]-6-[[2-(4-pyridylamino)acetyl]amino]hexanoic acid

https://huagongshe.com/reaction/396919

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-AminopyridineHCID 1727—
ReactantDiisopropylethylamineHCID 81531—
ReactantNalpha-isobutyl-Nalpha-(4-methylbenzenesulfonyl)-Nepsilon-iodoacetyl-L-lysineHCID 86589941—
Product(2S)-2-[isobutyl(p-tolylsulfonyl)amino]-6-[[2-(4-pyridylamino)acetyl]amino]hexanoic acidHCID 508634—

Reaction Steps

The title compound was prepared from Nα-isobutyl-Nα-(4-methylbenzenesulfonyl)-Nε-iodoacetyl-L-lysine (150 mg, 0.29 mmol, example 105, step B) by following the indications of general procedure H using DIEA (0.10 mL, 0.57 mmol) and 4-aminopyridine (76 mg, 0.59 mmol). The crude material was purified by preparative HPLC. The product was isolated as a solid (39 mg, 28% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06608100B1
Source datasetuspto-grants-2003_08
ORD IDord-ddcbdcdedd8143b59b3d4e99db9e2c31
Source noteuspto-grants-2003_08