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Nitrogen → tert-butyl (3-(3-(6-(isopropylamino)pyrazin-2-yl)-1-tosyl-1H-indol-5-yl)-1,2,4-thiadiazol-5-yl)carbamate

HRID 634266
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 634266
I[C:2]1[C:10]2[C:5](=[CH:6][CH:7]=[C:8]([C:11]3[N:15]=[C:14]([NH:16][C:17](=[O:23])[O:18][C:19]([CH3:22])([CH3:21])[CH3:20])[S:13][N:12]=3)[CH:9]=2)[N:4]([S:24]([C:27]2[CH:33]=[CH:32][C:30]([CH3:31])=[CH:29][CH:28]=2)(=[O:26])=[O:25])[CH:3]=1.[CH:34]([NH:37][C:38]1[CH:43]=[N:42][CH:41]=[C:40]([Sn](CCCC)(CCCC)CCCC)[N:39]=1)([CH3:36])[CH3:35].N#N>CN(C=O)C.[Cu]I.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[CH:34]([NH:37][C:38]1[N:39]=[C:40]([C:2]2[C:10]3[C:5](=[CH:6][CH:7]=[C:8]([C:11]4[N:15]=[C:14]([NH:16][C:17](=[O:23])[O:18][C:19]([CH3:20])([CH3:21])[CH3:22])[S:13][N:12]=4)[CH:9]=3)[N:4]([S:24]([C:27]3[CH:28]=[CH:29][C:30]([CH3:31])=[CH:32][CH:33]=3)(=[O:26])=[O:25])[CH:3]=2)[CH:41]=[N:42][CH:43]=1)([CH3:36])[CH3:35]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 3

HCID 947NitrogenHCID 68328197N-isopropyl-6-(tributylstannyl)pyrazin-2-amineHCID 86725113tert-butyl 3-(3-iodo-1-tosyl-1H-indol-5-yl)-1,2,4-thiadiazol-5-ylcarbamate

Produkt 1

HCID 86725115tert-butyl (3-(3-(6-(isopropylamino)pyrazin-2-yl)-1-tosyl-1H-indol-5-yl)-1,2,4-thiadiazol-5-yl)carbamateAusbeute 81 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 24350
Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)
Katalysator
HCID 178418397HCID 178418397, VerbindungKatalysator
HCID 6228DimethylformamideLösungsmittel

Reaktionsbedingungen

Temperatur
90 °C

Versuchsvorschrift

A mixture of tert-butyl (3-(3-iodo-1-tosyl-1H-indol-5-yl)-1,2,4-thiadiazol-5-yl)carbamate (0.6 g, 1.0 mmol) and N-isopropyl-6-(tributylstannyl)pyrazin-2-amine (0.429 g, 1.0 mmol) in DMF (10 mL) was bubbled N2 gas for 15 min. To the mixture was added CuI (95 mg, 0.5 mmol.) and Pd(PPh3)4 (12 mg, 0.1 mmol) and N2 gas was bubbled for another 15 min. The reaction was heated at 90° C. for 1 h. The mixture was quenched with H2O (10 mL) and extracted with CHCl3 (2×25 mL). The organic layer was dried over anhydrous Na2SO4 and concentrated under reduced pressure. The crude was purified by neutral alumina column chromatography (eluent: 20% EtOAc in petroleum ether) to give tert-butyl (3-(3-(6-(isopropylamino)pyrazin-2-yl)-1-tosyl-1H-indol-5-yl)-1,2,4-thiadiazol-5-yl)carbamate (0.49 g, 81%). MS (ESI, pos. ion) m/z: 606.1 (M+1).

Aufarbeitung

  1. customwas bubbled N2 gas for 15 min
  2. customwas bubbled for another 15 min
  3. customThe mixture was quenched with H2O (10 mL)
  4. extractionextracted with CHCl3 (2×25 mL)
  5. dry with materialThe organic layer was dried over anhydrous Na2SO4
  6. concentrationconcentrated under reduced pressure
  7. customThe crude was purified by neutral alumina column chromatography (eluent: 20% EtOAc in petroleum ether)

Quellen und Nachweise

ORD-Eintrag
ord-b1b8f7a2fd7d4f85a4da0cee7e948883
Quelldatensatz
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09321756B2

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