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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1746343Generated: November 2, 2026

Hydrochloric Acid → methyl (2R)-2-amino-3-phenylpropanoate;hydrochloride

https://huagongshe.com/reaction/1746343

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantTolueneHCID 1140—
ReactantD-PhenylalanineHCID 71567—
Productmethyl (2R)-2-amino-3-phenylpropanoate;hydrochlorideHCID 11481330—

Reaction Conditions

Temperature27.5 °C

Reaction Steps

To a 20% solution of ethanolic HCl (75 ml), was charged D-Phenyl alanine (15 grams, 0.090 moles). The reaction mass was further stirred for 48 to 50 hours at 25-30° C. (the reaction does not go to completion, shows 10-12% of unreacted D-Phenyl alanine) and concentrated at 50° C. under reduced pressure to form the residue. The residue was stirred in toluene (100 ml). The solid was isolated by filtration, washed with toluene (2×25 ml) and dried at 50-55° C. under vacuum to yield the desired product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09150499B2
Source datasetuspto-grants-2015_10
ORD IDord-eb9a78c18f184423ad1dc39bd191761b
Source noteuspto-grants-2015_10