Reaktion #2862

ord-da66f9befd2a4203a17ae478295b584e

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    SonstigeThe crude product is purified by column chromatography
  2. 2
    Wascheneluting with a gradient of 10% EtOAc/CH2Cl2 to 25% EtOAc/CH2Cl2
  3. 3
    Sonstigeto afford a white solid

Vorschrift

The title compound is prepared from 4-amino-3-(3-(S)-amino-2-oxo-pyrrolidin-1-ylmethyl)-benzonitrile dihydrochloride as described in EXAMPLE 17, Part F using 5-chlorothieno[3,2-b]pyridine-2-sulfonyl chloride in place of 4,6-dichlorobenzo[b]thiophene-2-sulfonyl chloride. The crude product is purified by column chromatography eluting with a gradient of 10% EtOAc/CH2Cl2 to 25% EtOAc/CH2Cl2 to afford a white solid.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US05731315uspto-grants-1998_03