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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 460121Generated: October 29, 2026

Hydrochloric Acid → Pyrrolidine-1-carboxylic acid (6,7-difluoro-5-phenyl-1H-indazol-3-yl)-amide

https://huagongshe.com/reaction/460121

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactantpyrrolidine-1-carboxylic acid (6,7-difluoro-5-phenyl-1-[[2-(trimethylsilyl)ethoxy]methyl]-1H-indazol-3-yl)amideHCID 86593374—
SolventMethanolHCID 887—
ProductPyrrolidine-1-carboxylic acid (6,7-difluoro-5-phenyl-1H-indazol-3-yl)-amideHCID 67367298—

Reaction Steps

75 mg of pyrrolidine-1-carboxylic acid (6,7-difluoro-5-phenyl-1-[[2-(trimethylsilyl)ethoxy]methyl]-1H-indazol-3-yl)amide in 3 ml of methanol are treated with 0.82 ml of 2N HCl for 1 hour at reflux. After evaporation and purification by preparative LC/MS (acetonitrile/pH 9 buffer), 36 mg of pyrrolidine-1-carboxylic acid (6,7-difluoro-5-phenyl-1H-indazol-3-yl)amide are obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07196109B2
Source datasetuspto-grants-2007_03
ORD IDord-fbac72c69afa4722b5e8457d4d80669c
Source noteuspto-grants-2007_03