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Potassium Carbonate → N-{2-[1,1'-bi(cyclopropyl)-2-yl]cyclohexyl}-3-(difluoromethyl)-5-fluoro-1-methyl-1H-pyrazole-4-carboxamide

HRID 1411113
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1411113
[CH:1]1([CH:11]2[CH2:13][CH2:12]2)[CH2:3][CH:2]1[CH:4]1[CH2:9][CH2:8][CH2:7][CH2:6][CH:5]1[NH2:10].C(=O)([O-])[O-].[K+].[K+].[F:20][CH:21]([F:32])[C:22]1[C:26]([C:27](Cl)=[O:28])=[C:25]([F:30])[N:24]([CH3:31])[N:23]=1>C(#N)C>[CH:1]1([CH:11]2[CH2:13][CH2:12]2)[CH2:3][CH:2]1[CH:4]1[CH2:9][CH2:8][CH2:7][CH2:6][CH:5]1[NH:10][C:27]([C:26]1[C:22]([CH:21]([F:32])[F:20])=[N:23][N:24]([CH3:31])[C:25]=1[F:30])=[O:28]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 11430Potassium CarbonateHCID 529205085-fluoro-1-methyl-3-difluoromethyl-1H-pyrazole-4-carbonyl chlorideHCID 86685672HCID 86685672, Verbindung

Produkt 1

HCID 86685673N-{2-[1,1'-bi(cyclopropyl)-2-yl]cyclohexyl}-3-(difluoromethyl)-5-fluoro-1-methyl-1H-pyrazole-4-carboxamideAusbeute 41,2 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6342
Acetonitrile
Lösungsmittel

Versuchsvorschrift

To a mixture of 0.489 g (2.73 mmol) 2-[1,1′-bi(cyclopropyl)-2-yl]cyclohexanamine and 0.565 g (4.09 mmol) potassiumcarbonate in 30 ml Acetonitrile was added 0.638 g (3.00 mmol) 3-(difluoromethyl)-5-fluoro-1-methyl-1H-pyrazole-4-carbonyl chloride and stirred at ambient temperature over night. At the end of the reaction the reaction mixture was extracted with ethylacetate and water. The organic layer was dried with natriumsulfate and the solvent was removed by vacuum. The crude product was purified by column chromathography (Solvent: Cyclohexane/ethylacetate gradient). Finally 0.40 g (33%) of N-{2-[1,1′-bi(cyclopropyl)-2-yl]cyclohexyl}-3-(difluoromethyl)-5-fluoro-1-methyl-1H-pyrazole-4-carboxamide with a purity of 87% LC-MS was isolated. logP (acid) of 4.02.

Aufarbeitung

  1. customAt the end of the reaction the reaction mixture
  2. extractionwas extracted with ethylacetate and water
  3. dry with materialThe organic layer was dried with natriumsulfate
  4. customthe solvent was removed by vacuum
  5. customThe crude product was purified by column chromathography (Solvent: Cyclohexane/ethylacetate gradient)

Quellen und Nachweise

ORD-Eintrag
ord-5510be306e6648db928075437b574242
Quelldatensatz
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08921575B2

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