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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 715212Generated: October 25, 2026

1-(6-(2,2-Difluoroethoxy)-5-methylpyridin-3-yl)ethanamine hydrochloride → 4-chloro-2-(1-(6-(2,2-difluoroethoxy)-5-methylpyridin-3-yl)ethyl)-2,3-dihydro-1H-pyrrolo[3,4-c]pyridin-1-one

https://huagongshe.com/reaction/715212

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(6-(2,2-Difluoroethoxy)-5-methylpyridin-3-yl)ethanamine hydrochlorideHCID 87426335—
ReactantEthyl 3-(bromomethyl)-2-chloroisonicotinateHCID 89874240—
Product4-chloro-2-(1-(6-(2,2-difluoroethoxy)-5-methylpyridin-3-yl)ethyl)-2,3-dihydro-1H-pyrrolo[3,4-c]pyridin-1-oneHCID 8987452948%

Reaction Steps

The title compound is prepared in 48% yield (178 mg, pale yellow oil) from ethyl 3-(bromomethyl)-2-chloroisonicotinate (279 mg, 1.0 mmol, Step-1 of Intermediate-1) and 1-(6-(2,2-difluoroethoxy)-5-methylpyridin-3-yl)ethanamine hydrochloride (253 mg, 1.0 mmol, Amine-5, single enantiomer) in a similar manner to Step-2 of Intermediate-1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09187475B2
Source datasetuspto-grants-2015_11
ORD IDord-9b1c4182f54c46aa9fc6b1f386261d30
Source noteuspto-grants-2015_11