Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 520600Generated: October 29, 2026

Thionyl Chloride → 2-Methyl-1,3-thiazole-4-carbonyl chloride

https://huagongshe.com/reaction/520600

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
Reactant2-Methyl-1,3-thiazole-4-carboxylic acidHCID 284728—
Product2-Methyl-1,3-thiazole-4-carbonyl chlorideHCID 21183959—

Reaction Conditions

Temperature80 °C

Reaction Steps

To 2-methyl-1,3-thiazole-4-carboxylic acid (1 g) was added thionyl chloride (5 ml). The mixture was heated at 80° C. for 8 h. Thionyl chloride (5 ml) was added and the mixture heated for 2 h at 80° C. Further thionyl chloride (5 ml) was added and the mixture heated for 2 h. The mixture was concentrated in vacuo and azeotroped with toluene to give the title compound, 1.12 g.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09326987B2
Source datasetuspto-grants-2016_05
ORD IDord-8a0fb0fb0e8647ef9a951c032cbc17d9
Source noteuspto-grants-2016_05