Reacción #64296

ord-473075b184e64b86bdfbb71dc68452bf

Condiciones de reacción

Condiciones detalladas
See reaction.notes.procedure_details.

Tratamiento posterior

  1. 1
    Otroprepared
  2. 2
    Otroas indicated in Stages C and D of Preparation 1

Procedimiento

The operation is carried out as in Example 5, starting with 0.6 g of ethyl 2-butyl-4-(methylthio)-1H-imidazole-5-carboxylate (prepared as indicated in Stages C and D of Preparation 1, replacing the ethanethiol with methanethiol), using 907 mg of methyl 4'-(bromomethyl)-(1,1'-biphenyl)-2 -carboxylate. After chromatography on silica (eluant: methylene chloride--ethyl acetate (97-3)), 0.8 g of the desired product is obtained.

Fuente

DOI: 10.6084/m9.figshare.5104873.v1Patente: US05412101uspto-grants-1995_05