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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1067769Generated: October 31, 2026

Hydrochloric Acid → HCID 54188747, compound

https://huagongshe.com/reaction/1067769

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantDiethyl OxalateHCID 7268—
ReactantHCID 10802515HCID 10802515—
ReactantPotassium ethoxideHCID 23670592—
SolventDiethyl EtherHCID 3283—
ProductHCID 54188747HCID 5418874753.5%

Reaction Steps

Diethyl oxalate, 1.20 g (7.92 mmol), was added dropwise to a suspension of 0.67 g (7.92 mmol) of potassium ethoxide in diethyl ether (50 ml) at room temperature. Subsequently 2.00 g (7.20 mmol) of 3-benzyloxy-6-chloro-2-nitrotoluene was added to the mixture followed by stirring for 4 hours at room temperature. The reaction solution was poured onto 1N hydrochloric acid and the mixture was extracted twice with diethyl ether. The combined extracts were washed with saturated sodium chloride solution. After drying over anhydrous magnesium sulfate, the solvent was distilled off under reduced pressure. The residue was isolated and purified by silica gel column chromatography to give 1.60 g (53.5%) of ethyl (3-benzyloxy-6-chloro-2-nitrophenyl)pyruvate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06248772B1
Source datasetuspto-grants-2001_06
ORD IDord-b08d6fe72a0548ab8d2327565ca07783
Source noteuspto-grants-2001_06