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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 582082Generated: October 30, 2026

Oxalyl chloride → 2-methoxy-5-(4H-triazol-4-yl)benzoyl chloride

https://huagongshe.com/reaction/582082

Reaction equation

Participants

RoleNameHCIDCharge
ReactantOxalyl chlorideHCID 65578—
Reactant2-methoxy-5-(4H-triazol-4-yl)benzoic acidHCID 18464473—
CatalystDimethylformamideHCID 6228—
SolventDichloromethaneHCID 6344—
Product2-methoxy-5-(4H-triazol-4-yl)benzoyl chlorideHCID 18354451—

Reaction Steps

Combine 2-methoxy-5-(4H-triazol-4-yl)benzoic acid (5 mmol) and dichloromethane (40 mL). Add dropwise oxalyl chloride (0.72 mL, 8.25 mmol) followed by dimethylformamide (3 drops). After 4 hours, evaporate in vacuo and dry to give the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05922737
Source datasetuspto-grants-1999_07
ORD IDord-35dbd81848364fc69a8f35a4edeb56a1
Source noteuspto-grants-1999_07