Reacción #321001

ord-29726a74e17e48d5a7f010d9cd0a5ccb

Disolventes

Condiciones de reacción

Condiciones detalladas
See reaction.notes.procedure_details.

Tratamiento posterior

  1. 1
    OtroThe reaction mixture is evaporated in vacuo
  2. 2
    OtroThe layers are separated
  3. 3
    Secadothe diethyl ether layer is dried over sodium sulfate
  4. 4
    Filtraciónfiltered
  5. 5
    OtroGaseous hydrogen chloride is bubbled into the filtered diethyl ether solution
  6. 6
    Otrothe desired product is collected

Procedimiento

A solution of product from Example 20 in ethyl alcohol is stirred at room temperature for 20 hours with an excess of methoxyethylamine. The reaction mixture is evaporated in vacuo and combined with a sodium carbonate solution and diethyl ether. The layers are separated and the diethyl ether layer is dried over sodium sulfate and filtered. Gaseous hydrogen chloride is bubbled into the filtered diethyl ether solution and the desired product is collected.

Fuente

DOI: 10.6084/m9.figshare.5104873.v1Patente: US05594027uspto-grants-1997_01