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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 852242Generated: October 31, 2026

Hydrochloric Acid → (S)-2-Amino-3-[4-(3-cyano[1,6]naphthyridin-2-ylamino)phenyl]propionic acid methyl ester hydrochloride

https://huagongshe.com/reaction/852242

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant(S)-2-tert-Butoxycarbonylamino-3-[4-(3-cyano[1,6]naphthyridin-2-ylamino)phenyl]propionic acid methyl esterHCID 69375554—
Solvent1,4-DioxaneHCID 31275—
Product(S)-2-Amino-3-[4-(3-cyano[1,6]naphthyridin-2-ylamino)phenyl]propionic acid methyl ester hydrochlorideHCID 6939998296%

Reaction Steps

(S)-2-tert-Butoxycarbonylamino-3-[4-(3-cyano[1,6]naphthyridin-2-ylamino)phenyl]propionic acid methyl ester (0.12 g) was disolved in dioxane (2 ml) and treated with saturated solution of hydrogen chloride in dioxane (2 ml) for 2 h at room temperature. The solvent was removed under reduced pressure to yield the title compound (0.1 g, 96%) as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07253171B2
Source datasetuspto-grants-2007_08
ORD IDord-7d99ec646d32432fa212bc57cc0e4924
Source noteuspto-grants-2007_08