Reaktion #747937

ord-a69ea8861a2c43cdba995fd6e072b23b

Lösungsmittel

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    FiltrationThe catalyst is filtered
  2. 2
    Sonstigethe filtrate evaporated
  3. 3
    WaschenThe residue is washed with 1N HCl
  4. 4
    Sonstigethe residue is purified by preparative HPLC

Vorschrift

A mixture of (E)-4-[3-benzyloxy-4-(1,1,4-trioxo-1,2,5-thiadiazolidin-2-yl)-phenyl]-2-methyl-but-3-enenitrile (10 mg) and Pd(OH)2 (1 mg) in EtOAc/EtOH (3 mL) is hydrogenated at 1 atm for 2 h. The catalyst is filtered and the filtrate evaporated. The residue is washed with 1N HCl and the residue is purified by preparative HPLC to give the title compound: (M−1)−=308; HPLC retention time=0.78 min (method A).

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US08084448B2uspto-grants-2011_12