Reaktion #81282

ord-7f16cd4f59bc4767a55ae3b5c60eb4cb

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    Sonstigepurifying the product by column chromatography through silica gel using a 1:2
  2. 2
    workup.ADDITIONby volume mixture of hexane and ethyl acetate as the eluent

Vorschrift

Following a procedure similar to that described in Example 82(a), but using 230 mg of methyl 4-(1-hydroxy-1-methylethyl)-2-methoxymethylimidazole-5-carboxylate [prepared as described in Preparation 42(v)], 119 mg of potassium t-butoxide and 420 mg of 4-[2-(t-butoxycarbonyl)phenyl]benzyl bromide and then purifying the product by column chromatography through silica gel using a 1:2 by volume mixture of hexane and ethyl acetate as the eluent, 468 mg of the title compound were obtained as a syrup.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US05616599uspto-grants-1997_04