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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1876898Generated: October 26, 2026

p-Toluenesulfonic acid → 3-cyclopropyl-3-(4-{5-methoxy-2-[(3-nitrophenyl)amino]pyrimidin-4-yl}-1H-pyrazol-1-yl)propanenitrile

https://huagongshe.com/reaction/1876898

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-Toluenesulfonic acidHCID 6101—
Reactant3-NitroanilineHCID 7423—
Reactant1,4-DioxaneHCID 31275—
Reactant3-[4-(2-chloro-5-methoxypyrimidin-4-yl)-1H-pyrazol-1-yl]-3-cyclopropylpropanenitrileHCID 86637303—
SolventWaterHCID 962—
SolventAcetonitrileHCID 6342—
Product3-cyclopropyl-3-(4-{5-methoxy-2-[(3-nitrophenyl)amino]pyrimidin-4-yl}-1H-pyrazol-1-yl)propanenitrileHCID 58014501—

Reaction Steps

A solution of a mixture of 3-[4-(2-chloro-5-methoxypyrimidin-4-yl)-1H-pyrazol-1-yl]-3-cyclopropylpropanenitrile (from example 320 step 1, 60 mg, 0.0002 mol), m-nitroaniline (40.9 mg, 0.000296 mol), and p-toluenesulfonic acid (29 mg, 0.00017 mol) in dry 1,4-dioxane (1 mL, 0.02 mol) was refluxed overnight. The mixture was diluted with acetonitrile and water, purified on RP-HPLC at pH 10 to give the desired product as a racemic mixture (free base). LCMS (M+H) 406.2.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08309718B2
Source datasetuspto-grants-2012_11
ORD IDord-0f6384c5713d47f5968c53ac63982cba
Source noteuspto-grants-2012_11