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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 730813Generated: October 28, 2026

Oxalyl chloride → 5,6-dichloropyridine-3-carbonyl Chloride

https://huagongshe.com/reaction/730813

Reaction equation

Participants

RoleNameHCIDCharge
ReactantOxalyl chlorideHCID 65578—
Reactant5,6-Dichloronicotinic acidHCID 247987—
CatalystDimethylformamideHCID 6228—
Product5,6-dichloropyridine-3-carbonyl ChlorideHCID 2782156—

Reaction Steps

A mixture of 5,6-dichloro-nicotinic acid (7.0 g, 0.036 mol, Aldrich), (COCl)2 (50 mL, Aldrich) and DMF (2 drops) was stirred at room temperature for 4 h. The solution was evaporated in vacuo to give the title compound as an orange solid

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07582761B2
Source datasetuspto-grants-2009_09
ORD IDord-e6527cd2ceee4531b853131f0d02eaf5
Source noteuspto-grants-2009_09