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Trimethylsilylacetylene → 1-(4,7-dimethoxy-1H-pyrrolo[2,3-c]pyridin-3-yl)-2-[4-(1-phenyl-3-trimethylsilyl-prop-2-ynylidene)-1-piperidyl]ethane-1,2-dione

HRID 1394433
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1394433
Br[C:2](=[C:9]1[CH2:14][CH2:13][N:12]([C:15](=[O:31])[C:16]([C:18]2[C:26]3[C:21](=[C:22]([O:29][CH3:30])[N:23]=[CH:24][C:25]=3[O:27][CH3:28])[NH:20][CH:19]=2)=[O:17])[CH2:11][CH2:10]1)[C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1.[CH3:32][Si:33]([C:36]#[CH:37])([CH3:35])[CH3:34]>N1CCCCC1.C1C=CC(C#N)=CC=1.C1C=CC(C#N)=CC=1.Cl[Pd]Cl.[Cu]I>[C:3]1([C:2](=[C:9]2[CH2:14][CH2:13][N:12]([C:15](=[O:31])[C:16]([C:18]3[C:26]4[C:21](=[C:22]([O:29][CH3:30])[N:23]=[CH:24][C:25]=4[O:27][CH3:28])[NH:20][CH:19]=3)=[O:17])[CH2:11][CH2:10]2)[C:37]#[C:36][Si:33]([CH3:35])([CH3:34])[CH3:32])[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1
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Komponenten

6

Edukt 2

HCID 66111TrimethylsilylacetyleneHCID 5279817Piperidine, 4-(bromophenylmethylene)-1-[2-(4,7-dimethoxy-1H-pyrrolo[2,3-c]pyridin-3-yl)-1,2-dioxoethyl]-

Produkt 1

HCID 52799201-(4,7-dimethoxy-1H-pyrrolo[2,3-c]pyridin-3-yl)-2-[4-(1-phenyl-3-trimethylsilyl-prop-2-ynylidene)-1-piperidyl]ethane-1,2-dioneAusbeute 39 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 24350
Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)
Katalysator
HCID 498840Bis(benzonitrile)palladium chlorideKatalysator
HCID 8082PiperidineLösungsmittel

Reaktionsbedingungen

Temperatur
60 °C

Versuchsvorschrift

As shown in Scheme 31 to a solution of 1-[4-(1-bromo-1-phenyl-methylene)-piperidin-1-yl]-2-(4,7-dimethoxy-6-azaindol-3-yl)-ethane-1,2-dione (0.094 g, 0.195 mmol), PdCl2(PhCN)2 (0.005 g, 0.0117 mmol), and CuI (0.005 g, 0.0252 mmol) in piperidine (1.5 mL) was added trimethylsilylacetylene (0.070 mL, 0.495 mmol). The mixture was heated at 60° C. for 2 h and the solvent removed in vacuo. The residue was diluted with EtOAc and H2O, the organic phase was separated and the aqueous phase was re-extracted with EtOAc (×2). The combined organic layers were washed, (H2O, brine), dried (Na2SO4) and evaporated, and the residue was purified by preparative HPLC to give the title compound as a colorless solid (0.038 g, 39%).

Aufarbeitung

  1. customthe solvent removed in vacuo
  2. additionThe residue was diluted with EtOAc and H2O
  3. customthe organic phase was separated
  4. extractionthe aqueous phase was re-extracted with EtOAc (×2)
  5. washThe combined organic layers were washed, (H2O, brine),
  6. dry with materialdried (Na2SO4)
  7. customevaporated
  8. customthe residue was purified by preparative HPLC

Quellen und Nachweise

ORD-Eintrag
ord-99a8b822239f4f92af7679ec56b5f586
Quelldatensatz
uspto-grants-2008_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07348337B2

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