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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2391883Generated: October 29, 2026

Sodium Bicarbonate → 8-(2,6-Difluoro-3,5-dimethoxy-phenyl)-quinoxaline-5-carboxylic acid {5-[(dimethylcarbamoylmethyl-methyl-amino)-methyl]-pyridin-2-yl}-amide

https://huagongshe.com/reaction/2391883

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium BicarbonateHCID 516892—
ReactantTrimethylaluminumHCID 16682925—
Reactant2-[(6-amino-pyridin-3-ylmethyl)-methyl-amino]-N,N-dimethyl-acetamideHCID 62182390—
Reactant8-(2,6-Difluoro-3,5-dimethoxyphenyl)quinoxaline-5-carboxylic acid ethyl esterHCID 86641145—
SolventDichloromethaneHCID 6344—
SolventDichloromethane methanolHCID 21226129—
Product8-(2,6-Difluoro-3,5-dimethoxy-phenyl)-quinoxaline-5-carboxylic acid {5-[(dimethylcarbamoylmethyl-methyl-amino)-methyl]-pyridin-2-yl}-amideHCID 59292823—

Reaction Conditions

Temperature80 °C

Reaction Steps

The title compound was prepared in analogy to the procedure described in Example 115 but using 8-(2,6-difluoro-3,5-dimethoxy-phenyl)-quinoxaline-5-carboxylic acid ethyl ester (Step 124.1), 2-[(6-amino-pyridin-3-ylmethyl)-methyl-amino]-N,N-dimethyl-acetamide (Step 119.1), 2 equiv of trimethyl aluminum, stirring the reaction mixture for 6 h at 80° C. and pouring it onto a saturated aqueous solution of NaHCO3 and DCM. The title compound: ESI-MS: 551.1 [M+H]+; tR=3.81 min (System 1); TLC: Rf=0.36 (DCM/MeOH/NH3aq, 94:5:1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08273882B2
Source datasetuspto-grants-2012_09
ORD IDord-1a1b6da3ce364207b3bf95d3aa9c9300
Source noteuspto-grants-2012_09