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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 34394Generated: October 26, 2026

Hydrochloric Acid → 2,6-Dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylic acid monomethyl ester

https://huagongshe.com/reaction/34394

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant(+)-1-(2-Methoxyethoxymethyl)-2,6-dimethyl-3-carbomethoxy-4-(3-nitrophenyl)-5-carboxy-1,4-dihydropyridineHCID 14208794—
SolventAcetoneHCID 180—
SolventTetrahydrofuranHCID 8028—
Product2,6-Dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylic acid monomethyl esterHCID 173322—

Reaction Steps

hydrolyzing said (+)-1-(2-methoxyethoxymethyl)-2,6-dimethyl-3-carbomethoxy-4-(3-nitrophenyl)-5-carboxy-1,4-dihydropyridine with 1N hydrochloric acid in acetone or tetrahydrofuran to produce (-)-2,6-dimethyl-3-carbomethoxy-4-(3-nitrophenyl)-5-carboxy-1,4-dihydropyridine.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04761420
Source datasetuspto-grants-1988_08
ORD IDord-cb4feb221eff4c8daad150ed98abe15f
Source noteuspto-grants-1988_08