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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 993285Generated: October 29, 2026

Bromocyclopentane → Methyl 5-(cyclopentyloxy)-6-methoxy-3-pyridinecarboxylate

https://huagongshe.com/reaction/993285

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBromocyclopentaneHCID 8728—
ReactantPotassium CarbonateHCID 11430—
ReactantHCID 22145686HCID 22145686—
SolventWaterHCID 962—
SolventDimethylformamideHCID 6228—
ProductMethyl 5-(cyclopentyloxy)-6-methoxy-3-pyridinecarboxylateHCID 22145812—

Reaction Conditions

Temperature60 °C

Reaction Steps

A mixture of methyl 5-hydroxy-6-methoxynicotinoate (250 mg), anhydrous potassium carbonate (600 mg) and cyclopentyl bromide (0.26 mL) in dry dimethylformamide (5 mL) is stirred and heated at 60±5° C. for 24 hours. The mixture is cooled to room temperature, diluted with water and extracted with ethyl acetate. The extracts are washed with water and dried (MgSO4). Concentration gave methyl 5-cyclopentyloxy-6-methoxynicotinoate (290 mg) as an oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06472412B1
Source datasetuspto-grants-2002_10
ORD IDord-6499f451c12e4ba2889f3520bdfc7fd0
Source noteuspto-grants-2002_10