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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 467724Generated: October 25, 2026

Hydrochloric Acid → 3-{[6-Cyclopropyl-3-(pyrimidin-5-ylamino)-pyrazine-2-carbonyl]-amino}-isonicotinic acid

https://huagongshe.com/reaction/467724

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantSodium HydroxideHCID 14798—
Reactant3-{[6-Cyclopropyl-3-(pyrimidin-5-ylamino)-pyrazine-2-carbonyl]-amino}-isonicotinic acid ethyl esterHCID 70126398—
SolventEthanolHCID 702—
Product3-{[6-Cyclopropyl-3-(pyrimidin-5-ylamino)-pyrazine-2-carbonyl]-amino}-isonicotinic acidHCID 70098928—

Reaction Steps

To a stirred suspension of 3-{[6-cyclopropyl-3-(pyrimidin-5-ylamino)-pyrazine-2-carbonyl]-amino}-isonicotinic acid ethyl ester (972 mg, 2.4 mmol) at rt in ethanol (15 ml) under an argon atmosphere was added 1 N NaOH (3 ml, 3.0 mmol). The suspension was stirred at rt for overnight. After the addition of 1 N HCl (3 ml) stirring was continued for 1 hr. The solid was collected by filtration, washed with H2O, then EtOH and dried.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08623866B2
Source datasetuspto-grants-2014_01
ORD IDord-7a8520138c0d4080acfd81771d0a6e02
Source noteuspto-grants-2014_01