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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 419063Generated: October 27, 2026

Oxalyl chloride → 5-Chloro-3-[(4-chloro-3-trifluoromethyl-benzenesulfonyl)-methoxymethyl-amino]-pyridine-2-carbonyl chloride

https://huagongshe.com/reaction/419063

Reaction equation

Participants

RoleNameHCIDCharge
ReactantOxalyl chlorideHCID 65578—
Reactant5-Chloro-3-[(4-chloro-3-trifluoromethyl-benzenesulfonyl)-methoxymethyl-amino]-pyridine-2-carboxylic acidHCID 57942230—
SolventDimethylformamideHCID 6228—
SolventDichloromethaneHCID 6344—
Product5-Chloro-3-[(4-chloro-3-trifluoromethyl-benzenesulfonyl)-methoxymethyl-amino]-pyridine-2-carbonyl chlorideHCID 57942241—

Reaction Steps

To a solution of 5-chloro-3-[(4-chloro-3-trifluoromethyl-benzenesulfonyl)-methoxymethyl-amino]-pyridine-2-carboxylic acid (450 mg, 1.0 mmol) in 3.0 mL CH2Cl2 and DMF (0.02 mL) was added oxalyl chloride (0.110 mL). The mixture was stirred for 2 h and concentrated to dryness provide 5-chloro-3-[(4-chloro-3-trifluoromethyl-benzenesulfonyl)-methoxymethyl-amino]-pyridine-2-carbonyl chloride.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08093247B2
Source datasetuspto-grants-2012_01
ORD IDord-8497a65140404729b3dd370d9904c3dc
Source noteuspto-grants-2012_01