Reaktion #513316

ord-ebbaaf84dc164411b4d03c10b2057de2

Lösungsmittel

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    Filtrationthe white precipitate was collected by filtration
  2. 2
    Waschenwashed with cold water
  3. 3
    Sonstigedried in high vacuo

Vorschrift

Compound (60) (2.0 g, 5.6 mmol) was refluxed with conc. HCl (30 ml) for 3 hr. After cooling to room temperature, the white precipitate was collected by filtration, washed with cold water, and dried in high vacuo to afford 1.6 g (87%) of the title compound as a white solid. m.p. 252-253° C.; 1H NMR (200 MHz, CDCl3/CD3OD) δ 1.11 (6H, d, J=6.9 Hz), 2.33 (1H, m), 7.61-7.73 (3H, m); HRMS (EI) Calcd. 326.0225, Found 326.0240.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US08106064B2uspto-grants-2012_01