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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2391887Generated: October 29, 2026

Methanol → HCID 178493493, compound

https://huagongshe.com/reaction/2391887

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantMeOH tetrahydrofuranHCID 21899815—
Reactant8-(2,6-Difluoro-3,5-dimethoxyphenyl)quinoxaline-5-carboxylic acid ethyl esterHCID 86641145—
ReactantHCID 178480844HCID 178480844—
CatalystNickelHCID 935—
SolventDichloromethane methanolHCID 21226129—
ProductHCID 178493493HCID 178493493—

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 1-methyl-4-(2-nitro-1H-imidazol-4-ylmethyl)-piperazine (Step 20.1) instead of 2-nitroimidazole in Step 14.3. Title compound: ESI-MS: 524.1 [M+H]+; tR=3.03 min (System 1); TLC: Rf=0.22 (DCM/MeOH/NH3aq, 94:5:1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08273882B2
Source datasetuspto-grants-2012_09
ORD IDord-7c8d043b5b7d41aca242a0d1bd28835e
Source noteuspto-grants-2012_09