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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2233314Generated: November 1, 2026

Pyridine → HCID 178432454, compound

https://huagongshe.com/reaction/2233314

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridineHCID 1049—
ReactantPhenyl chloroformateHCID 15891—
Reactant1,8-Diazabicyclo(5.4.0)undec-7-eneHCID 81184—
ReactantHCID 178432455HCID 178432455—
SolventAcetonitrileHCID 6342—
SolventDichloromethaneHCID 6344—
ProductHCID 178432454HCID 17843245470.5%

Reaction Steps

4-(2-Bromo-4-methyl-thiazol-5-ylmethoxy)-2-chloro-N-hydroxy-benzamidine (199 mg, 0.5 mmol) was dissolved in 6 ml dichloromethane. Pyridine (55 mg, 0.7 mmol) and phenylchloroformate (108 mg, 0.7 mmol) were added and the mixture stirred at room temperature for ten minutes. The mixture was diluted by the addition of 25 ml acetonitrile and 0.4 ml 1,8-Diazabicyclo[5.4.0]undec-7-ene were added. The mixture was stirred at room temperature for 10 minutes. The mixture was evaporated in vacuo and the resulting crude material was purified by reversed phase HPLC to obtain 142 mg 3-[4-(2-Bromo-4-methyl-thiazol-5-ylmethoxy)-2-chloro-phenyl]-2H-[1,2,4]oxadiazol-5-one as an amorphous lyophilisate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07709481B2
Source datasetuspto-grants-2010_05
ORD IDord-e7c6b9d6e1814b7789d4d170d7480e39
Source noteuspto-grants-2010_05