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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1610103Generated: October 25, 2026

Hydrochloric Acid → N1-[3-(3-Fluorophenyl)-1H-5-indazolyl]-2-(4-pyridyl)acetamide

https://huagongshe.com/reaction/1610103

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant1,1'-CarbonyldiimidazoleHCID 68263—
Reactant4-Pyridineacetic acid hydrochlorideHCID 81097—
ReactantHCID 22260624HCID 22260624—
SolventTetrahydrofuranHCID 8028—
SolventTriethylamineHCID 8471—
ProductN1-[3-(3-Fluorophenyl)-1H-5-indazolyl]-2-(4-pyridyl)acetamideHCID 2226080721.2%

Reaction Steps

A solution of 50 mg of tert-butyl 5-amino-3-(3-fluorophenyl)-1H-1-indazolecarboxylate produced in Production Example I-26, 26 mg of 4-pyridylacetic acid hydrochloride and 0.05 ml of triethylamine in 5 ml tetrahydrofuran was added 37 mg of 1,1′-carbonyldiimidazole as a condensing agent at room temperature. After the completion of the reaction, the reaction mixture was treated with 5 N hydrochloric acid by the procedure of Production Example I-25-b, to give 11 mg of the title compound as a colorless powder.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06982274B2
Source datasetuspto-grants-2006_01
ORD IDord-5952ae2c461d4e2a88efab7f0d462ff7
Source noteuspto-grants-2006_01