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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2305229Generated: November 1, 2026

Hydrochloric Acid → (+/-)-{3-{[2-(4,5-Diphenyloxazol-2-yl)-2-cyclohexen-1-yl]methyl}benzoylamino}acetic acid

https://huagongshe.com/reaction/2305229

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantLithium hydroxide, monohydrateHCID 168937—
ReactantHCID 9892894HCID 9892894—
SolventTetrahydrofuranHCID 8028—
SolventMethanol--water (1/1)HCID 22242641—
Product(+/-)-{3-{[2-(4,5-Diphenyloxazol-2-yl)-2-cyclohexen-1-yl]methyl}benzoylamino}acetic acidHCID 9913581100%

Reaction Steps

To a solution of ethyl (±)-{3-{[2-(4,5-diphenyloxazol-2-yl)-2-cyclohexen-1-yl]methyl}benzoylamino}acetate (136.8 mg, 0.263 mmol) in tetrahydrofuran (4 ml) was added a solution of lithium hydroxide-water (22.1 mg, 0.526 mmol) in MeOH-water (1:1) (2.8 ml) at 5° C. and the mixture was stirred at room temperature for 2 hours. To the reaction mixture was added 1N-hydrochloric acid (0.8 ml) at 5° C. and extracted with EtOAc. The organic layer was washed with water and brine successively, dried over magnesium sulfate, and evaporated in vacuo to give (±)-{3-{[2-(4,5-diphenyloxazol-2-yl)-2-cyclohexen-1-yl]methyl}benzoylamino}acetic acid (129.0 mg, 100%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06437146B1
Source datasetuspto-grants-2002_08
ORD IDord-25bd1906430e49c681eb0b5ddbe753bf
Source noteuspto-grants-2002_08