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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2206045Generated: October 31, 2026

Hydrochloric Acid → 3-bromo-1-cyclopentyl-4-methoxy-4,5-dihydro-1H-pyrrolo[3,2-c]pyridine-7-carboxylic acid

https://huagongshe.com/reaction/2206045

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantSodium HydroxideHCID 14798—
Reactantmethyl 3-bromo-1-cyclopentyl-4-methoxy-4,5-dihydro-1H-pyrrolo[3,2-c]pyridine-7-carboxylateHCID 117987803—
SolventMethanolHCID 887—
Product3-bromo-1-cyclopentyl-4-methoxy-4,5-dihydro-1H-pyrrolo[3,2-c]pyridine-7-carboxylic acidHCID 117988041106.5%

Reaction Steps

To a solution of methyl 3-bromo-1-cyclopentyl-4-methoxy-4,5-dihydro-1H-pyrrolo[3,2-c]pyridine-7-carboxylate (874 mg) in methanol (8 mL) was added 1N aqueous sodium hydroxide solution (8 mL), and the mixture was stirred at room temperature for 3 hr. To the reaction mixture was added 1N hydrochloric acid at 0° C., and the precipitate was collected by filtration, and dried to give the title compound (894 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09371320B2
Source datasetuspto-grants-2016_06
ORD IDord-bb02cae836f34109975233a0c0ddded2
Source noteuspto-grants-2016_06