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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 987306Generated: October 29, 2026

Hydrochloric Acid → HCID 54054669, compound

https://huagongshe.com/reaction/987306

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantTriethylamineHCID 8471—
ReactantMethanesulfonyl chlorideHCID 31297—
ReactantHCID 53920635HCID 53920635—
SolventDichloromethaneHCID 6344—
ProductHCID 54054669HCID 5405466972%

Reaction Steps

Triethylamine (0.544 g; 2.99 mmole) and thereafter methanesulfonyl chloride (0.392 g; 2.99 mmole) were added to a solution of 3-{4-[2-(4-aminophenyl)ethoxy]phenyl}-2-ethoxypropanoic acid ethyl ester (0.89 g; 2.49 mmole) in dichloromethane (8.9 ml) at 0° C. After stirring at room temperature for 20 hours the reaction mixture was poured onto a mixture of hydrochloric acid and ice. Dichloromethane was added, the phases were separated and the organic phase was washed with water, dried (sodium sulfate), filtered and the solvent was evaporated in vacuo. Purification by chromatography on silica gel using heptane:ethyl acetate (3:2) as eluant gave 0.78 g (yield 72%) of 2-ethoxy-3-{4-[2-(4-methanesulfonylaminophenyl)ethoxy]phenyl}propanoic acid ethyl ester.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06630600B1
Source datasetuspto-grants-2003_10
ORD IDord-0bd7edbde247463398aec250d160fa0d
Source noteuspto-grants-2003_10