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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1646570Generated: October 31, 2026

O-Methylhydroxylamine hydrochloride → HCID 54092853, compound

https://huagongshe.com/reaction/1646570

Reaction equation

Participants

RoleNameHCIDCharge
ReactantO-Methylhydroxylamine hydrochlorideHCID 521874—
Reactant3-Amino-5-(1-(3-benzoylphenyl)ethyl)-1,2,4-oxadiazoleHCID 15676094—
SolventPyridineHCID 1049—
ProductHCID 54092853HCID 54092853105.2%

Reaction Steps

To 3-amino-5-(1-(3-benzoylphenyl)ethyl)-1,2,4-oxadiazole (0.60 g, 2.0 mmol) in pyridine (10 ml) was added methoxyamine hydrochloride (0.224 g, 2.7 mol). After reflux with stirring for 18 h, the mixture was poured upon ice water, extracted with ethylacetate. The extracts were washed with water, dried and anhydrous sodium sulfate, and evaporated under reduced pressure to a residue, which was chromatographed to afford 3-amino-5-(1-(3-(α-methoxyiminobenzyl)phenyl)ethyl)-1,2,4-oxadiazole (0.678 g, quantitive yield) as oily substance: NMR(CDCl3)δ1.70 (d, 3H), 3.97(s, 3H), 4.24(q, 1H), 4.48(broad singlet, 2H), 7.21-7.58(m, 9H) ppm; IR(neat) 3310, 3220, 1625, 1585, 1410, 1050 cm-1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05180731
Source datasetuspto-grants-1993_01
ORD IDord-3e837b4d55fc420abe5086578c328eb0
Source noteuspto-grants-1993_01