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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1761318Generated: November 1, 2026

Hydrochloric Acid → HCID 20043928, compound

https://huagongshe.com/reaction/1761318

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantHCID 13557219HCID 13557219—
SolventMethanolHCID 887—
ProductHCID 20043928HCID 20043928146%

Reaction Steps

A solution of 2.0 grams (0.008 mole) of 2-[(4-amino-2-chlorophenyl)methyl]-4,4-dimethyl-3-isoxazolidinone in 25 mL of methanol was stirred, and 0.78 gram (0.008 mole) of concentrated hydrochloric acid was added dropwise. Upon completion of addition the reaction mixture was stirred for 20 minutes. Analysis of the reaction mixture by thin layer chromatography (TLC) indicated the presence of unreacted amine. An additional 0.5 gram of concentrated hydrochloric acid was added, and the reaction mixture was stirred for 30 minutes more. The reaction mixture was concentrated under reduced pressure to a residue. The residue was dissolved in 20 mL of ethanol. A solid was precipitated from the solution by the addition of 20 mL of diethyl ether. The solid was collected by filtration and was dried to yield 1.7 grams of 2-[(4-amino-2-chlorophenyl)methyl]-4,4-dimethyl-3-isoxazolidinone hydrochloride as a solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04826527
Source datasetuspto-grants-1989_05
ORD IDord-91a5319e2f444893aa50258899d5885f
Source noteuspto-grants-1989_05