Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2200193Generated: October 31, 2026

Hydrochloric Acid → HCID 90020376, compound

https://huagongshe.com/reaction/2200193

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantPyridineHCID 1049—
ReactantPhenyl chloroformateHCID 15891—
ReactantHCID 118223439HCID 118223439—
SolventWaterHCID 962—
SolventDichloromethaneHCID 6344—
ProductHCID 90020376HCID 9002037686.4%

Reaction Conditions

Temperature2.5 °C

Reaction Steps

Dissolve the amine obtained in Step 2 (760 mg, 4.8 mmol) and pyridine (765 mg, 9.7 mmol) in DCM (15 mL) and cool to 0-5° C. on ice bath. Add dropwise phenyl chloroformate (831 mg, 5.3 mmol). After addition, stir the mixture at 0-5° C. for 2 hrs. Pour the mixture to water (50 mL), adjust pH to neutral with 1M HCl solution. Extract with EtOAc (15 mL×3), combine the organic layers and wash with brine (100 mL), dry over anhydrous Na2SO4. Concentrate under reduced pressure to give the crude product (1.15 g) which is used without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09359338B2
Source datasetuspto-grants-2016_06
ORD IDord-2fb55475ed6e494b8740a79950248026
Source noteuspto-grants-2016_06