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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1374924Generated: November 1, 2026

4,5-Dimethylthiazole → Thiazolium, 3-(2-hydroxy-2-phenylethyl)-4,5-dimethyl-, chloride

https://huagongshe.com/reaction/1374924

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4,5-DimethylthiazoleHCID 62510—
Reactant2-Chloro-1-phenylethanolHCID 92898—
SolventWaterHCID 962—
ProductThiazolium, 3-(2-hydroxy-2-phenylethyl)-4,5-dimethyl-, chlorideHCID 9838299—

Reaction Conditions

Temperature135 °C

Reaction Steps

The neat mixture of 2-chloro-1-phenylethanol (2.34 g, 14.9 mmol) and 4,5-dimethylthiazole (1.69 g, 14.9 mmol) were heated with stirring at 135° C. for 28 hrs. It was cooled to room temperature and water (30 mL) was added to the reaction mixture with stirring, and then was extracted with ether (30 mL). The water layer was treated with actived carbon and evaporated to dryness. It was crystallized from a mixture of acetonitrile and ether to give a racemic product as prisms; 0.39 g (9.7%); mp. 201–203° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07166625B2
Source datasetuspto-grants-2007_01
ORD IDord-f8bb1fd4ee45433b87056da0fe207977
Source noteuspto-grants-2007_01