Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 429493Generated: October 29, 2026

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

https://huagongshe.com/reaction/429493

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 numberUS06316445B1
Source datasetuspto-grants-2001_11
ORD IDord-38e20b4a66fd44eb8d0582c240a99fca
Source noteuspto-grants-2001_11