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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 127715Generated: October 26, 2026

Sodium Carbonate → 3-Isoxazolamine, 5-(1,1-dimethylethyl)-

https://huagongshe.com/reaction/127715

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium CarbonateHCID 10340—
ReactantPentanenitrile, 4,4-dimethyl-3-oxo-HCID 108871—
ReactantHydroxylamine, sulfate (1:1)HCID 159255—
SolventWaterHCID 962—
Product3-Isoxazolamine, 5-(1,1-dimethylethyl)-HCID 171473124.4%

Reaction Steps

A suspension of pivaloylacetonitrile (12.52 g), sodium carbonate (8.74 g) and water (200 ml) is stirred and mixed with hydroxylamine sulfate (9.03 g) at 25° C. pH 7.11. The reaction mixture is treated as in Example 2 to give 3-amino-5-t-butylisoxazole (12.01 g). Yield, 85.7%. Purity, 95.8%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04256899
Source datasetuspto-grants-1981_03
ORD IDord-fb681df70af54e46886ea03fbdfbd7f2
Source noteuspto-grants-1981_03