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Piperidinium acetate → HCID 178521294, Verbindung

HRID 1620663
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1620663
[F:1][C:2]([F:23])([F:22])[C:3]1[CH:17]=[C:16]([C:18]([F:21])([F:20])[F:19])[CH:15]=[CH:14][C:4]=1[CH2:5][N:6]1[CH2:11][CH2:10][CH:9]([CH:12]=O)[CH2:8][CH2:7]1.[CH:24]1([NH:27][C:28](=[O:37])[CH2:29][NH:30][C:31]2[CH2:35][S:34][C:33](=[O:36])[N:32]=2)[CH2:26][CH2:25]1.C([O-])(=O)C.[NH2+]1CCCCC1>CC(O)C>[F:23][C:2]([F:1])([F:22])[C:3]1[CH:17]=[C:16]([C:18]([F:21])([F:20])[F:19])[CH:15]=[CH:14][C:4]=1[CH2:5][N:6]1[CH2:11][CH2:10][CH:9](/[CH:12]=[C:35]2/[C:31]([NH:30][CH2:29][C:28]([NH:27][CH:24]3[CH2:25][CH2:26]3)=[O:37])=[N:32][C:33](=[O:36])[S:34]/2)[CH2:8][CH2:7]1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 3014295Piperidinium acetateHCID 866786631-[2,4-Bis(trifluoromethyl)benzyl]piperidine-4-carbaldehydeHCID 178521297HCID 178521297, Verbindung

Produkt 1

HCID 178521294HCID 178521294, VerbindungAusbeute 63,2 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 3776IsopropanolLösungsmittel

Reaktionsbedingungen

Temperatur
80 °C

Versuchsvorschrift

To a solution of 1-[2,4-bis(trifluoromethyl)benzyl]piperidine-4-carbaldehyde (2.65 g) and N-cyclopropyl-N2-(2-oxo-2,5-dihydro-1,3-thiazol-4-yl)glycinamide (2 g) in 2-propanol (20 mL) was added piperidinium acetate (1.14 g). The reaction mixture was stirred at 80° C. for 3.5 hr and concentrated. Water and THF were added to the residue, and the mixture was extracted with ethyl acetate. The extract was washed with water and 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 (methanol/ethyl acetate) and recrystallized from ethyl acetate/water/heptane to give the title compound (2.64 g).

Aufarbeitung

  1. concentrationconcentrated
  2. additionWater and THF were added to the residue
  3. extractionthe mixture was extracted with ethyl acetate
  4. washThe extract was washed with water and 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 (methanol/ethyl acetate)
  8. customrecrystallized from ethyl acetate/water/heptane

Quellen und Nachweise

ORD-Eintrag
ord-2c8eabb501cb46908eea8e96eac717dc
Quelldatensatz
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08772277B2

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