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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2365631Generated: October 30, 2026

Citric Acid → 4-((5-Chloropyridin-3-yl)methoxy)benzoic acid

https://huagongshe.com/reaction/2365631

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCitric AcidHCID 311—
ReactantWaterHCID 962—
ReactantLithium HydroxideHCID 3939—
ReactantMethyl 4-((5-chloropyridin-3-yl)methoxy)benzoateHCID 59625946—
SolventMethanolHCID 887—
SolventTetrahydrofuranHCID 8028—
Product4-((5-Chloropyridin-3-yl)methoxy)benzoic acidHCID 5962573189.5%

Reaction Steps

Compound 27b (1.22 mmol, 340 mg) was combined with LiOH (4.9 mmol, 118 mg) in 3 mL of THF, 3 mL of MeOH, and 3 mL of water. The mixture was stirred at room temperature for 4 h and was then combined with 15% aqueous citric acid and extracted with EtOAc. The extracts were washed with water and brine, dried over Na2SO4, and concentrated under vacuum to give 288 mg of 27c.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08697683B2
Source datasetuspto-grants-2014_04
ORD IDord-64abb10ba8ef4527a7e78556afd4a329
Source noteuspto-grants-2014_04