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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 257617Generated: October 30, 2026

Methanol → HCID 15232720, compound

https://huagongshe.com/reaction/257617

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
Reactant4,5-Diphenyl-2-oxazolenonanoic acidHCID 131960—
CatalystSulfuric AcidHCID 1118—
SolventDiethyl EtherHCID 3283—
ProductHCID 15232720HCID 1523272096%

Reaction Steps

A mixture of 4,5-diphenyl-2-oxazole nonanoic acid (800 mg, 2 mmol), methanol (2 mL) and concentrated sulfuric acid (2 drops) was heated to reflux. After 2 hours, the solvent was evaporated and the residue partitioned between CH2Cl2 and water. The organic phase was separated, washed with saturated NaHCO3 solution, dried over sodium sulfate and concentrated in vacuo to leave an oil. Chromatography on a column of silica gel using a mixture of hexanes and diethyl ether (4:1) as eluent gave methyl 4,5-diphenyl-2-oxazolenonanoate (800 mg, 96%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05262540
Source datasetuspto-grants-1993_11
ORD IDord-78f90e43addb4234ade53f9ce9039d2e
Source noteuspto-grants-1993_11