Reacción #44350

ord-4d43f8afcb5d4b9f9222be483f1f66a8

Condiciones de reacción

Condiciones detalladas
See reaction.notes.procedure_details.

Tratamiento posterior

  1. 1
    OtroThe solvent was removed in vacuo, water
  2. 2
    workup.ADDITIONwas added
  3. 3
    Extracciónthe mixture was extracted with dichloromethane (three times)
  4. 4
    SecadoThe organic extracts were dried (MgSO4)
  5. 5
    Otroevaporated
  6. 6
    Otrotriturated with ether

Procedimiento

A solution of the product from step d) (73 mg) in TFA (3 ml) was stirred for 2 h. The solvent was removed in vacuo, water was added and the mixture was extracted with dichloromethane (three times). The organic extracts were dried (MgSO4), evaporated and triturated with ether to give the title compound (46 mg) as a white solid. M.p. 140-2° C.

Fuente

DOI: 10.6084/m9.figshare.5104873.v1Patente: US07737135B2uspto-grants-2010_06