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N,N-Dimethylglycine → N-{(2S)-5-[(6-methyl-3-pyridinyl)oxy]-2,3-dihydro-1H-inden-2-yl}-2-propanesulfonamide

HRID 1922300
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1922300
Br[C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)[CH2:7][C@H:6]([NH:11][S:12]([CH:15]([CH3:17])[CH3:16])(=[O:14])=[O:13])[CH2:5]2.[CH3:18][C:19]1[N:24]=[CH:23][C:22]([OH:25])=[CH:21][CH:20]=1.C(=O)([O-])[O-].[Cs+].[Cs+].CN(C)CC(O)=O>CS(C)=O.[Cu]I>[CH3:18][C:19]1[N:24]=[CH:23][C:22]([O:25][C:2]2[CH:3]=[C:4]3[C:8](=[CH:9][CH:10]=2)[CH2:7][C@H:6]([NH:11][S:12]([CH:15]([CH3:17])[CH3:16])(=[O:14])=[O:13])[CH2:5]3)=[CH:21][CH:20]=1
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Komponenten

7

Edukt 4

HCID 673N,N-DimethylglycineHCID 10796Cesium carbonateHCID 142752-Methyl-5-hydroxypyridineHCID 46899974(S)-N-(5-bromo-2,3-dihydro-1H-inden-2-yl)propane-2-sulfonamide

Produkt 1

HCID 44124719N-{(2S)-5-[(6-methyl-3-pyridinyl)oxy]-2,3-dihydro-1H-inden-2-yl}-2-propanesulfonamideAusbeute 23,3 %

Reagenzien, Katalysatoren, Lösungsmittel

2
HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)KatalysatorHCID 679Dimethyl SulfoxideLösungsmittel

Reaktionsbedingungen

Temperatur
190 °C

Versuchsvorschrift

A reaction mixture of N-[(2S)-5-bromo-2,3-dihydro-1H-inden-2-yl]-2-propanesulfonamide (100 mg, 0.31 mmol, Description 1), 6-methyl-3-pyridinol (35 mg, 0.32 mmol), caesium carbonate (308 mg, 0.94 mmol), copper(I) iodide (66 mg, 0.35 mmol) and N,N-dimethylglycine (39 mg, 0.38 mmol) in DMSO (1.5 ml) was heated in a microwave at 190° C. for 30 minutes. The reaction mixture was then partitioned between dichloromethane and water and the organic solution was dried (MgSO4) and evaporated under reduced pressure to yield the crude product. The crude product was purified using MDAP. The resulting solution was diluted with saturated aqueous sodium bicarbonate solution and extracted with dichloromethane. The organic solution was dried (MgSO4) and evaporated under reduced pressure to obtain the title compound as a yellow gum (25 mg).

Aufarbeitung

  1. customThe reaction mixture was then partitioned between dichloromethane and water
  2. dry with materialthe organic solution was dried (MgSO4)
  3. customevaporated under reduced pressure
  4. customto yield the crude product
  5. customThe crude product was purified
  6. additionThe resulting solution was diluted with saturated aqueous sodium bicarbonate solution
  7. extractionextracted with dichloromethane
  8. dry with materialThe organic solution was dried (MgSO4)
  9. customevaporated under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-cb9298a86c6e4bd8bb0ebb49d3354dbb
Quelldatensatz
uspto-grants-2012_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08173820B2

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