Reaktion #1489335

ord-dfa33627bc3b4b2f8b462f8682c460dc

Lösungsmittel

Reaktionsbedingungen

Temperatur
60°CELSIUS
Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    TemperaturAfter cooling the mixture
  2. 2
    Extraktionextracted with EtOAc (3×50 mL)
  3. 3
    WaschenThe combined organics were washed with brine (50 mL)
  4. 4
    Trocknendried (MgSO4)
  5. 5
    Sonstigeevaporated in vacuo
  6. 6
    SonstigeThe residue was purified by FCC

Vorschrift

(1S,3S)-3-Amino-indan-1-ol (110 mg, 0.74 mmol) was added to a suspension of NaH (60% in mineral oil, 87 mg, 2.17 mmol) in anhydrous DMF (5 mL) at RT and stirred for 20 min. Intermediate 5b (160 mg, 0.72 mmol) was then added in one portion and the mixture heated at 60° C. for 3 h. After cooling the mixture was diluted with water (20 mL) and extracted with EtOAc (3×50 mL). The combined organics were washed with brine (50 mL), dried (MgSO4) and evaporated in vacuo. The residue was purified by FCC, using 0-10% MeOH in DCM, to give the title compound as give a foam (132 mg, 52%). LCMS (Method 1): Rt 0.34 min, m/z 350 [MH+]. 1H NMR (300 MHz, CDCl3): 1.95-2.16 (6H, m), 2.24 (3H, s), 2.26-2.45 (2H, m), 2.77 (1H, ddd, J 14.1, 7.0, 2.0), 3.23-3.30 (1H, m), 4.02-4.09 (1H, m), 4.71 (1H, t, J 6.8), 5.68 (1H, dd, J 6.2, 1.9), 7.04 (1H, dd, J 9.9, 2.2), 7.29-7.50 (4H, m), 7.64 (1H, dd, J 9.9, 0.9), 8.35 (1H, d, J 2.2).

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US08907094B2uspto-grants-2014_12