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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 587716Generated: October 29, 2026

Ethyl 2-amino-2-(5-bromo-3-chloropyridin-2-yl)acetate → (5-Bromo-3-chloropyridin-2-yl)methanamine hydrochloride

https://huagongshe.com/reaction/587716

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 2-amino-2-(5-bromo-3-chloropyridin-2-yl)acetateHCID 71138503—
SolventHydrochloric AcidHCID 313—
Product(5-Bromo-3-chloropyridin-2-yl)methanamine hydrochlorideHCID 71138342182.4%

Reaction Steps

A stirred solution of ethyl 2-amino-2-(5-bromo-3-chloropyridin-2-yl)acetate (0.5 g, 1.7 mmol) in 3 N HCl (25 mL) was heated at reflux for 4 h. The reaction mixture was washed with Et2O and water. The combined ether layer was concentrated under reduced pressure to afford the title compound as an off-white solid (400 mg, 65%): 1H NMR (400 MHz, CDCl3) δ 8.78 (s, 1H), 8.70 (br s, 2H), 8.45 (s, 1H), 4.56 (m, 2H); ESIMS m/z 221.15 ([M+H]+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09226501B2
Source datasetuspto-grants-2016_01
ORD IDord-e718f155d67c4e4d90384ccde889d428
Source noteuspto-grants-2016_01