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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1398673Generated: October 26, 2026

2-Methoxyethylamine → 1-(2-aminopyrimidin-4-yl)-6-bromo-N-(2-methoxyethyl)-1H-1,3-benzodiazol-2-amine

https://huagongshe.com/reaction/1398673

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-MethoxyethylamineHCID 8018—
ReactantCesium carbonateHCID 10796—
Reactant4-[6-Bromo-2-(trichloromethyl)-1,3-benzodiazol-1-yl]pyrimidin-2-amineHCID 68181833—
Product1-(2-aminopyrimidin-4-yl)-6-bromo-N-(2-methoxyethyl)-1H-1,3-benzodiazol-2-amineHCID 6818173339%

Reaction Steps

A mixture of 4-[6-bromo-2-(trichloromethyl)-1H-1,3-benzodiazol-1-yl]pyrimidin-2-amine (1.5 g, 3.68 mmol) and cesium carbonate (2.5 g, 7.67 mmol) in 2-methoxyethan-1-amine (15 mL) was stirred under nitrogen for 3 days at room temperature. The reaction mixture was concentrated under vacuum and the residue was purified on a C18 column (acetonitrile/water, 5:95-80:20) to give 0.55 g (39%) of 1-(2-aminopyrimidin-4-yl)-6-bromo-N-(2-methoxyethyl)-1H-1,3-benzodiazol-2-amine as a yellow solid. LC-MS: m/z=+363 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08901313B2
Source datasetuspto-grants-2014_12
ORD IDord-c66b0c08f1964160b6e3a132f6f8eb3d
Source noteuspto-grants-2014_12