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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1077005Generated: October 29, 2026

Acetone → 2,2,6,6-Tetramethyl-4-piperidone

https://huagongshe.com/reaction/1077005

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetoneHCID 180—
ReactantAmmonium BromideHCID 25514—
ReactantPyrimidine, 1,2,5,6-tetrahydro-2,2,4,6,6-pentamethyl-HCID 68396—
SolventWaterHCID 962—
Product2,2,6,6-Tetramethyl-4-piperidoneHCID 13220—

Reaction Steps

5.0 g. of Acetonine and 3.2 g. of ammonium bromide were heated at 44°C. for 15 hours in a mixed solvent comprising acetone and water in various ratios as shown hereinbelow to effect the reaction. After completion of the reaction, the reaction mixture was purified in the same manner as in Example 5 to obtain triacetonamine in a yield as shown hereinbelow.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03959298
Source datasetuspto-grants-1976_05
ORD IDord-a4f25fe6529c4151aa3cb1aae7419dea
Source noteuspto-grants-1976_05