Reacción #70339

ord-5f9f7668ae5242c081121df1294b9a7b

Disolventes

Condiciones de reacción

Temperatura
60°CELSIUS
Condiciones detalladas
See reaction.notes.procedure_details.

Tratamiento posterior

  1. 1
    Otrothe solvent was evaporated
  2. 2
    Otrothe solid obtained
  3. 3
    Extracciónextracted with CHCl3
  4. 4
    OtroThe crude mixture was purified over a SiO2 eluting with DCM/MeOH 2%

Procedimiento

The solid residue obtained in step A was dissolved in methanol (3 ml) and aqueous solution 2N NaOH (1 ml) was added. The mixture was heated at 60° C. for 2 hours, the solvent was evaporated and the solid obtained was suspended in water. The pH was taken to 6.5 and extracted with CHCl3. The crude mixture was purified over a SiO2 eluting with DCM/MeOH 2% affording 0.170 g (yield 81%) of the expected product.

Fuente

DOI: 10.6084/m9.figshare.5104873.v1Patente: US08536165B2uspto-grants-2013_09