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Sodium Bicarbonate → 1-[1-(3-Chloro-2-pyridyl)-5-methyl-4-pyrazolyl]-3-[4-(3,5-difluorophenyl)-1-piperazinyl]-1-propanone

HRID 564860
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 564860
[C:1]([C:4]1[CH:5]=[N:6][N:7]([C:10]2[C:15]([Cl:16])=[CH:14][CH:13]=[CH:12][N:11]=2)[C:8]=1[CH3:9])(=[O:3])[CH3:2].[F:17][C:18]1[CH:19]=[C:20]([N:25]2[CH2:30][CH2:29][NH:28][CH2:27][CH2:26]2)[CH:21]=[C:22]([F:24])[CH:23]=1.Cl.[CH2:32](O)C.C(=O)([O-])O.[Na+]>C(O)C>[Cl:16][C:15]1[C:10]([N:7]2[C:8]([CH3:9])=[C:4]([C:1](=[O:3])[CH2:2][CH2:32][N:28]3[CH2:29][CH2:30][N:25]([C:20]4[CH:19]=[C:18]([F:17])[CH:23]=[C:22]([F:24])[CH:21]=4)[CH2:26][CH2:27]3)[CH:5]=[N:6]2)=[N:11][CH:12]=[CH:13][CH:14]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 516892Sodium BicarbonateHCID 109872191-(3,5-Difluorophenyl)piperazineHCID 118172064-Acetyl-1-(3-chloro-2-pyridyl)-5-methylpyrazoleHCID 21887872Ethanol hydrochloride

Produkt 1

HCID 112361741-[1-(3-Chloro-2-pyridyl)-5-methyl-4-pyrazolyl]-3-[4-(3,5-difluorophenyl)-1-piperazinyl]-1-propanone

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 702EthanolLösungsmittel

Versuchsvorschrift

In 40 ml of absolute ethanol was dissolved 0.72 g of 4-acetyl-1-(3-chloro-2-pyridyl)-5-methylpyrazole, and 1.38 g of 1-(3,5-difluorophenyl)piperazine, 7 ml of a 1N hydrochloric acid/ethanol solution, and 0.917 g of p-formaldehyde were added thereto, followed by refluxing for 20 hours. To the reaction mixture was further added 0.917 g of p-formaldehyde, followed by refluxing for 50 hours. After the reaction mixture was allowed to stand at room temperature for 21 hours, a saturated aqueous solution of sodium hydrogencarbonate was added thereto, and the mixture was extracted with chloroform three times. The organic layer was dried over anhydrous sodium sulfate, and the solvent was removed by evaporation. The residue was subjected to silica gel column chromatography using a mixture of chloroform-methanol (50:1 by volume) as a developing solvent. The fraction containing the desired compound was concentrated to yield 0.72 g of the title compound.

Aufarbeitung

  1. additionwere added
  2. temperatureby refluxing for 20 hours
  3. temperatureby refluxing for 50 hours
  4. extractionthe mixture was extracted with chloroform three times
  5. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  6. customthe solvent was removed by evaporation
  7. additiona mixture of chloroform-methanol (50:1 by volume) as a developing solvent
  8. additionThe fraction containing the desired compound
  9. concentrationwas concentrated

Quellen und Nachweise

ORD-Eintrag
ord-ad98858e9d7a4d1a9f344b2b5034749d
Quelldatensatz
uspto-grants-2001_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06169086A

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