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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 495641Generated: October 28, 2026

Hydrochloric Acid → Carbamic acid, N-(4-chlorophenyl)-, ethyl ester

https://huagongshe.com/reaction/495641

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant4-ChloroanilineHCID 7812—
ReactantEthyl chloroformateHCID 10928—
SolventPyridineHCID 1049—
ProductCarbamic acid, N-(4-chlorophenyl)-, ethyl esterHCID 17496—

Reaction Steps

4-Chloroaniline (2.3531 g) was dissolved in pyridine (20 ml), and to the solution was added dropwise ethyl chloroformate (2.116 ml) under ice-cooling. After the mixture was stirred for 1.5 hours, 1N hydrochloric acid was added and the mixture was extracted with ethyl acetate. The organic layer was washed with 1N hydrochloric acid, and then saturated brine, dried over anhydrous magnesium sulfate, and concentrated in vacuo to give the title compound (3.6875 g, quantitative yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06939887B2
Source datasetuspto-grants-2005_09
ORD IDord-f6fce018d3a74316a680992d54644de3
Source noteuspto-grants-2005_09