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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 642229Generated: October 30, 2026

Chlorosuccinimide → 3-Chloro-1,2-bis-(4-fluoro-phenyl)-4-hydroxy-1H-pyrrolo[2,3-c]pyridine-5-carboxylic acid ethyl ester

https://huagongshe.com/reaction/642229

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChlorosuccinimideHCID 31398—
Reactant1,2-Bis-(4-fluoro-phenyl)-4-hydroxy-1H-pyrrolo[2,3-c]pyridine-5-carboxylic acid ethyl esterHCID 68428243—
CatalystBenzoyl PeroxideHCID 7187—
SolventCarbon TetrachlorideHCID 5943—
Product3-Chloro-1,2-bis-(4-fluoro-phenyl)-4-hydroxy-1H-pyrrolo[2,3-c]pyridine-5-carboxylic acid ethyl esterHCID 6842775374.7%

Reaction Steps

The mixture of 1,2-bis-(4-fluoro-phenyl)-4-hydroxy-1H-pyrrolo[2,3-c]pyridine-5-carboxylic acid ethyl ester (80 mg, 0.203 mmol), N-chlorosuccinimide (NCS)(28 mg, 0.203 mmol) and BzOOBz (2.5 mg) in tetrachloromethane (6 mL) was refluxed overnight, then the solvents were removed, the residue was purified on column to give the desired title compound (65 mg); ESI MS (m/z): 429 (M+H+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07696223B2
Source datasetuspto-grants-2010_04
ORD IDord-2914284086df49c4a6cb581ab2f94ef0
Source noteuspto-grants-2010_04