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1-Iodopropane → 5-[(Phenylmethyl)oxy]-1-(phenylsulfonyl)-2-propyl-1H-indole

HRID 1188520
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1188520
[C:1]1([CH2:7][O:8][C:9]2[CH:10]=[C:11]3[C:15](=[CH:16][CH:17]=2)[N:14]([S:18]([C:21]2[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=2)(=[O:20])=[O:19])[CH:13]=[CH:12]3)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[Li][CH2:28][CH2:29][CH2:30]C.C(I)CC>C1COCC1>[C:1]1([CH2:7][O:8][C:9]2[CH:10]=[C:11]3[C:15](=[CH:16][CH:17]=2)[N:14]([S:18]([C:21]2[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=2)(=[O:20])=[O:19])[C:13]([CH2:28][CH2:29][CH3:30])=[CH:12]3)[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 336431-IodopropaneHCID 118246245-(Phenylmethoxy)-1-phenylsulfonylindoleHCID 178418339Butyllithium

Produkt 1

HCID 578001035-[(Phenylmethyl)oxy]-1-(phenylsulfonyl)-2-propyl-1H-indoleAusbeute 71 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel

Reaktionsbedingungen

Temperatur
-78 °C

Versuchsvorschrift

To a solution of 5-[(phenylmethyl)oxy]-1-(phenylsulfonyl)-1H-indole (1.6 g, 4.4 mmol, synthesized as described in Example 22A) in THF (10 mL), under N2, at −78° C., was added n-BuLi (2.5 M solution in hexanes, 2.15 mL, 5.37 mmol) dropwise. After stirring at −78° C. for 30 min, propyl iodide (1.1 g, 6.6 mmol) was added. After 30 min, the −78° C. bath was removed. The solution was warmed to rt. 5% HCl (10 mL) was then added and the mixture was partitioned between EtOAc and water. The organic phase was washed with water and sat'd brine, dried (Na2SO4) and concentrated in vacuo. The residue was purified by flash chromatography (20-70% EtOAc-hexanes gradient) to afford the title compound (0.79 g, 71% yield): MS (ES) m/z 406 (M+1).

Aufarbeitung

  1. waitAfter 30 min
  2. customthe −78° C. bath was removed
  3. temperatureThe solution was warmed to rt
  4. addition5% HCl (10 mL) was then added
  5. customthe mixture was partitioned between EtOAc and water
  6. washThe organic phase was washed with water
  7. dry with materialdried (Na2SO4)
  8. concentrationconcentrated in vacuo
  9. customThe residue was purified by flash chromatography (20-70% EtOAc-hexanes gradient)

Quellen und Nachweise

ORD-Eintrag
ord-4f30feecc4ad4e77943fcffabae19f3d
Quelldatensatz
uspto-grants-2014_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08673948B2

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