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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 43187Generated: October 27, 2026

Methanol → HCID 178493457, compound

https://huagongshe.com/reaction/43187

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantMeOH tetrahydrofuranHCID 21899815—
Reactant8-(2-Chloro-6-fluoro-3,5-dimethoxy-phenyl)-quinoxaline-5-carboxylic acid ethyl esterHCID 86641146—
ReactantHCID 178480844HCID 178480844—
CatalystNickelHCID 935—
SolventDichloromethane methanolHCID 21226129—
ProductHCID 178493457HCID 178493457—

Reaction Steps

The title compound was prepared in analogy to the procedures described in Example 14 but using 8-(2-chloro-6-fluoro-3,5-dimethoxy-phenyl)-quinoxaline-5-carboxylic acid ethyl ester (Step 144.1), 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: 540.0 [M+H]+; tR=3.07 min (System 1); TLC: Rf=0.23 (DCM/MeOH/NH3aq, 94:5:1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08536175B2
Source datasetuspto-grants-2013_09
ORD IDord-2d16b2cb220748c08f429267a668ad39
Source noteuspto-grants-2013_09