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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1726900Generated: November 2, 2026

Diethyl Oxalate → HCID 57565048, compound

https://huagongshe.com/reaction/1726900

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiethyl OxalateHCID 7268—
ReactantSodium hydrideHCID 24758—
ReactantEthyl 2-(benzyloxy)acetateHCID 290299—
ReactantHCID 12491144HCID 12491144—
ProductHCID 57565048HCID 5756504818.7%

Reaction Steps

Reaction of the adduct of diethyl oxalate (7.66 g, 52.4 mmol), ethyl benzyloxyacetate (10.2 g, 52.5 mmol) and sodium hydride (2.31 g of a 60% dispersion in mineral oil, 57.9 mmol) with 1-benzyl-4,5-dihydro-1H-imidazol-2-amine hydrobromide (13.39 g, 52.5 mmol) as described for intermediate 1 gave 3.98 g (18% yield) of the title ester as white crystals; mp 93° C. (ethyl acetate-hexane).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07494984B2
Source datasetuspto-grants-2009_02
ORD IDord-a723c6e116a94c27b673ecb17278b68f
Source noteuspto-grants-2009_02