Reaktion #1722276

ord-c85d9ddc9cb04eba93f66c39a505a5a1

Lösungsmittel

Reaktionsbedingungen

Temperatur
40°CELSIUS
Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    SonstigeThe solvent is evaporated
  2. 2
    workup.DISSOLUTIONthe residue dissolved in dichloromethane
  3. 3
    Waschenwashed with 1N hydrochloric acid
  4. 4
    Trocknendried over sodium sulfate

Vorschrift

Ethyl-8-chloro-1-ethyl-9-methoxy-4-oxo-4H-quinolizine-3-carboxylate (Precursor A) (0.151 g) and triethylamine (0.5 ml) are dissolved in acetonitrile (6 ml). To this solution 3-(N-boc-aminoethyl)pyrrolidine (Precursor D) (0.215 g) is added and the solution stirred at 40° C. for 18 hours. The solvent is evaporated and the residue dissolved in dichloromethane, washed with 1N hydrochloric acid and dried over sodium sulfate. The desired product is obtained by evaporation of the solvent.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US06509349B1uspto-grants-2003_01