1,3-Cyclohexanedione → HCID 19030881, compound

Participants

Reaction Steps

1,3-Cyclohexanedione (10.0 g) is dissolved in toluene (100 ml) with heating and thereto is added 4-amino-1-benzylpiperidine (18.6 ml). The mixture is refluxed for 2 hours by using Dean-Stark apparatus. After cooling, the precipitated crystal is washed with diethyl ether, and recrystallized from toluene to give 1-(1-benzyl-4-piperidinylamino)-1-cyclohexen-3-on (24.2 g) as light yellow prisms, m.p.: 171°-172° C.

Provenance & Evidence