5-tert-Butyl-indan-1,2-dione 2-oxime → 5-tert-Butyl-indan-2-ylamine

HRID 656450Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 656450
[C:1]([C:5]1[CH:6]=[C:7]2[C:11](=[CH:12][CH:13]=1)[C:10](=O)[C:9](=[N:15]O)[CH2:8]2)([CH3:4])([CH3:3])[CH3:2].[H][H]>[Pd].C(O)(=O)C.S(=O)(=O)(O)O>[C:1]([C:5]1[CH:6]=[C:7]2[C:11](=[CH:12][CH:13]=1)[CH2:10][CH:9]([NH2:15])[CH2:8]2)([CH3:4])([CH3:2])[CH3:3]

Komponenten

6

Edukt 2

HCID 865966735-tert-Butyl-indan-1,2-dione 2-oximeHCID 178418361HCID 178418361, Verbindung

Produkt 1

HCID 197101995-tert-Butyl-indan-2-ylamineAusbeute 34,4 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 23938PalladiumKatalysatorHCID 176Acetic AcidLösungsmittelHCID 1118Sulfuric AcidLösungsmittel

Versuchsvorschrift

5-tert-Butyl-indan-1,2-dione 2-oxime (11.67 g) was hydrogenated over 10% palladium on carbon catalyst (2.95 g) using a mixture of 233 ml acetic acid and 15.6 ml concentrated sulfuric acid as solvent. The reaction was run at ambient temperature for 17 hours, under 60 psi hydrogen. After removal of catalyst by filtration, the filtrate was quenched by dropwise addition of 30 ml conc. ammonium hydroxide. The quenched mixture was then extracted with ethyl ether, the organic extracts dried with magnesium sulfate, and the solvent removed under vacuum to give 3.50 g of the product which was used without further purification. 1H NMR (300 MHz, CDCl3) 7.17 (m, 3H), 3.84 (m, 1H), 3.14 (m, 2H), 2.67 (m, 2H), 1.31 (s, 9H). MS (CSI) m/e 190 (M+H)+.

Aufarbeitung

  1. customAfter removal of catalyst
  2. filtrationby filtration
  3. customthe filtrate was quenched by dropwise addition of 30 ml conc. ammonium hydroxide
  4. extractionThe quenched mixture was then extracted with ethyl ether
  5. dry with materialthe organic extracts dried with magnesium sulfate
  6. customthe solvent removed under vacuum

Quellen und Nachweise

ORD-Eintrag
ord-c2838e56d9da41e0996c1d801aba9198
Quelldatensatz
uspto-grants-2011_12
Patentnummer
US08071762B2

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