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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2367162Generated: October 30, 2026

Pyridine → 3-Carbamoylisoxazol-5-ylmethyl 4-nitrophenyl carbonate

https://huagongshe.com/reaction/2367162

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridineHCID 1049—
Reactant4-Nitrophenyl chloroformateHCID 82129—
Reactant5-(Hydroxymethyl)-1,2-oxazole-3-carboxamideHCID 8027246—
SolventDichloromethaneHCID 6344—
Product3-Carbamoylisoxazol-5-ylmethyl 4-nitrophenyl carbonateHCID 66660860—

Reaction Conditions

Temperature0 °C

Reaction Steps

To a solution of 2.0 g (14.07 mmol) of 3-carbamoylisoxazol-5-ylmethanol, 1.71 ml (21.11 mmol) of pyridine and 0.17 g (1.41 mmol) of N,N-dimethylaminopyridine in 15 mL of dichloromethane, cooled to about 0° C., are added portionwise 2.84 g (14.07 mmol) of 4-nitrophenyl chloroformate. The medium is kept stirring at 0° C. for 1 hour and then at room temperature for 1 hour.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08697883B2
Source datasetuspto-grants-2014_04
ORD IDord-093e125487994bdaa00133555a25b402
Source noteuspto-grants-2014_04