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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 83774Generated: October 27, 2026

Hydrochloric Acid → 2-(4-Aminophenoxy)acetic acid hydrochloride

https://huagongshe.com/reaction/83774

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantEthyl 2-(4-acetamidophenoxy)acetateHCID 309738—
Product2-(4-Aminophenoxy)acetic acid hydrochlorideHCID 6681148877.6%

Reaction Conditions

Temperature10 °C

Reaction Steps

(4-Acetylamino-phenoxy)-acetic acid ethyl ester 1 (375 grams, 1.582 mmol), in concentrated Hydrochloric acid (9.36 liters) was refluxed for 12 Hours. Excess concentrated Hydrochloric acid was distilled off in vacuum and filtered hot. The mixture was cooled to 10° C., filtered and dried to give pure 2 (250 g, 77.6%) as a wheat colored powder.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08846845B2
Source datasetuspto-grants-2014_09
ORD IDord-9069b2e2cf384531903fee23e517008c
Source noteuspto-grants-2014_09