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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1189370Generated: October 31, 2026

Nitrogen → 2-Methyl-5-m-tolyl-oxazole-4-carbonyl chloride

https://huagongshe.com/reaction/1189370

Reaction equation

Participants

RoleNameHCIDCharge
ReactantNitrogenHCID 947—
ReactantDimethylformamideHCID 6228—
ReactantOxalyl chlorideHCID 65578—
Reactant2-Methyl-5-(m-tolyl)oxazole-4-carboxylic acidHCID 66929205—
SolventTolueneHCID 1140—
Product2-Methyl-5-m-tolyl-oxazole-4-carbonyl chlorideHCID 86664905—

Reaction Steps

In a flame dried round-bottomed flask equipped with a magnetic stir bar and under inert atmosphere (N2), a suspension of 2-methyl-5-m-tolyl-oxazole-4-carboxylic acid (74 mg, 0.34 mmol) in toluene (2.0 mL) was treated with a drop of DMF followed by oxalyl chloride (0.10 mL, 1.18 mmol) and the resulting yellow solution was stirred at rt for 1 h. The solvent was then removed under reduced pressure (coevaporation with toluene) to give 2-methyl-5-m-tolyl-oxazole-4-carbonyl chloride.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08674111B2
Source datasetuspto-grants-2014_03
ORD IDord-b7f5be39afb64797b78f4c924df38f32
Source noteuspto-grants-2014_03