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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2391888Generated: October 30, 2026

Methanol → HCID 178493494, compound

https://huagongshe.com/reaction/2391888

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantMeOH tetrahydrofuranHCID 21899815—
Reactant8-(2,6-Difluoro-3,5-dimethoxyphenyl)quinoxaline-5-carboxylic acid ethyl esterHCID 86641145—
ReactantHCID 178516762HCID 178516762—
CatalystNickelHCID 935—
SolventDichloromethane methanolHCID 21226129—
ProductHCID 178493494HCID 178493494—

Reaction Steps

The title compound was prepared in analogy to the procedures described in Example 14 but using 8-(2,6-difluoro-3,5-dimethoxy-phenyl)-quinoxaline-5-carboxylic acid ethyl ester (Step 124.1), Raney nickel and MeOH/THF (1:1) instead of palladium on carbon and MeOH in Step 14.2, and 4-(2-nitro-1H-imidazol-4-ylmethyl)-piperazin-2-one (Step 142.1) instead of 2-nitroimidazole in Step 14.3. Title compound: ESI-MS: 524.1 [M+H]+; tR=3.10 min (System 1); TLC: Rf=0.23 (DCM/MeOH, 9:1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08273882B2
Source datasetuspto-grants-2012_09
ORD IDord-8dbfff597de9420a96df2c69d7bce6ba
Source noteuspto-grants-2012_09