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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1661635Generated: October 30, 2026

Water → 5-chloro-7-fluoro-1-methyl-2-pyridin-3-yl-1H-indole

https://huagongshe.com/reaction/1661635

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantMethyl iodideHCID 6328—
ReactantSodium hydrideHCID 24758—
Reactant5-chloro-7-fluoro-2-pyridin-3-yl-1H-indoleHCID 59534657—
SolventDimethylformamideHCID 6228—
Product5-chloro-7-fluoro-1-methyl-2-pyridin-3-yl-1H-indoleHCID 58215576—

Reaction Steps

To a solution of 5-chloro-7-fluoro-2-pyridin-3-yl-1H-indole (Example 86, 276 mg, 1.12 mmol) in DMF (4 mL) is added 60% sodium hydride in mineral oil (120 mg, 3.0 mmol) and the suspension is stirred for 30 min. Iodomethane (213 mg, 1.5 mmol) is then added to the reaction mixture and stirred at ambient temperature for 1 h. Water (2 mL) is added to quench the reaction. The mixture is filtered and purified by HPLC using Xbridge C18 with a gradient of acetonitrile in 0.1% NH4OH to afford 5-chloro-7-fluoro-1-methyl-2-pyridin-3-yl-1H-indole. MS (ESI) m/z 261 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08030334B2
Source datasetuspto-grants-2011_10
ORD IDord-42aa36411c00462e9194c3a276044504
Source noteuspto-grants-2011_10