Piperidinium acetate → HCID 178463637, compound

To a solution of 4-(ethylamino)-1,3-thiazol-2(5H)-one (310 mg) and 1-[2,4-bis(trifluoromethyl)benzyl]piperidine-4-carbaldehyde (802 mg) in 2-propanol (10 mL) was added piperidinium acetate (312 mg). The reaction mixture was stirred at 75° C. for 4 hr and concentrated under reduced pressure. Water was added to the residue, and the mixture was extracted with ethyl acetate. The extract was washed with saturated brine, and dried over anhydrous magnesium sulfate, and the solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (ethyl acetate/hexane), and the obtained solid was washed with diisopropyl ether to give the title compound (110 mg).

1. concentrationconcentrated under reduced pressure
2. additionWater was added to the residue
3. extractionthe mixture was extracted with ethyl acetate
4. washThe extract was washed with saturated brine
5. dry with materialdried over anhydrous magnesium sulfate
6. customthe solvent was evaporated under reduced pressure
7. customThe residue was purified by silica gel column chromatography (ethyl acetate/hexane)
8. washthe obtained solid was washed with diisopropyl ether

ORD record

ord-dd80c8d118f84dbe82874d58cc0598b7

Source dataset

uspto-grants-2014_07

DOI

10.6084/m9.figshare.5104873.v1

Patent number

US08772277B2