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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1824484Generated: November 1, 2026

Water → HCID 10634126, compound

https://huagongshe.com/reaction/1824484

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantPiperidineHCID 8082—
ReactantPotassium CarbonateHCID 11430—
ReactantHCID 22149717HCID 22149717—
SolventDimethylformamideHCID 6228—
ProductHCID 10634126HCID 1063412695%

Reaction Conditions

Temperature120 °C

Reaction Steps

A mixture of isobutyl-(2-fluoro-phenyl)-ketone 13 (0.928 gm, 5 mmole), piperidine (0.645 gm, 7.82 mole) and potassium carbonate (1.08 gm, 7.82 mmole) in 4 ml of DMF was heated for 4 hrs at 120° C. After completion of the reaction (monitored by TLC), the reaction mixture was cooled and water (30 ml) was added to the reaction mixture and then extracted with ethyl acetate (1×15 ml, 2×7 ml). The combined organic layers were washed with a saturated ammonium chloride solution (2×15 ml) and subsequently dried over sodium sulphate. The solvent was removed under reduced pressure to obtain isobutyl-(2-piperidino-phenyl)-ketone 10 in 95% yield (GC showed 90% Purity). 1HNMR CDCl3, (spectrum 13): 0.92(d, 6H), 1.60(m, 6H), 2.07(m, 1H), 2.95(m, 6H), 7.05(m, 2H). 7.35(m, 2H). IR (spectrum 14) (Neat): 2841, 1657(C═O), 1570, 1435, 1345, 738

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07041830B2
Source datasetuspto-grants-2006_05
ORD IDord-0190ea449e9044a8b9fe895b031163a3
Source noteuspto-grants-2006_05