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Diisopropylethylamine → (2S)-4-({4-[(Difluoromethyl)oxy]phenyl}sulfonyl)-2-methyl-1-[(6-methyl-3-pyridinyl)carbonyl]piperazine

HRID 2066136
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2066136
[CH3:1][C@H:2]1[CH2:7][NH:6][CH2:5][CH2:4][N:3]1[C:8]([C:10]1[CH:11]=[N:12][C:13]([CH3:16])=[CH:14][CH:15]=1)=[O:9].[F:17][CH:18]([F:30])[O:19][C:20]1[CH:25]=[CH:24][C:23]([S:26](Cl)(=[O:28])=[O:27])=[CH:22][CH:21]=1.CCN(C(C)C)C(C)C>CN(C=O)C>[F:30][CH:18]([F:17])[O:19][C:20]1[CH:21]=[CH:22][C:23]([S:26]([N:6]2[CH2:5][CH2:4][N:3]([C:8]([C:10]3[CH:11]=[N:12][C:13]([CH3:16])=[CH:14][CH:15]=3)=[O:9])[C@@H:2]([CH3:1])[CH2:7]2)(=[O:28])=[O:27])=[CH:24][CH:25]=1
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Komponenten

5

Edukt 3

HCID 81531DiisopropylethylamineHCID 27782234-(Difluoromethoxy)benzenesulfonyl chlorideHCID 59161378(2S)-2-Methyl-1-[(6-methyl-3-pyridinyl)carbonyl]piperazine

Produkt 1

HCID 59161383(2S)-4-({4-[(Difluoromethyl)oxy]phenyl}sulfonyl)-2-methyl-1-[(6-methyl-3-pyridinyl)carbonyl]piperazineAusbeute 37,1 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228
Dimethylformamide
Lösungsmittel

Versuchsvorschrift

To a solution of (2S)-2-methyl-1-[(6-methyl-3-pyridinyl)carbonyl]piperazine (Description 13) (100 mg, 0.456 mmol) in DMF (10 ml) was added 4-[(difluoromethyl)oxy]benzenesulfonyl chloride (133 mg, 0.547 mmol). Finally DIPEA (0.239 ml, 1.368 mmol) was added and the reaction mixture was stirred at room temperature for 20 h. Solvent was removed by evaporation, the residue was dissolved in ethyl acetate and the solution washed with saturated aqueous NaHCO3. The organic layer was dried over MgSO4, filtered and evaporated to dryness and the residue was purified by MDAP to yield the title compound (72 mg) as a white powder.

Aufarbeitung

  1. customSolvent was removed by evaporation
  2. dissolutionthe residue was dissolved in ethyl acetate
  3. washthe solution washed with saturated aqueous NaHCO3
  4. dry with materialThe organic layer was dried over MgSO4
  5. filtrationfiltered
  6. customevaporated to dryness
  7. customthe residue was purified by MDAP

Quellen und Nachweise

ORD-Eintrag
ord-818de637db354d99a3cac08117645c09
Quelldatensatz
uspto-grants-2012_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08288388B2

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