Reacción #648887

ord-5f4298e58ef545c0ad6d0888a78ecbf3

Condiciones de reacción

Temperatura
80°CELSIUS
Condiciones detalladas
See reaction.notes.procedure_details.

Tratamiento posterior

  1. 1
    workup.STIRRINGstirring for an additional 16 h
  2. 2
    Otro65 mg (75% purity, 3% of theory) of the target compound were obtained

Procedimiento

The title compound was prepared starting from 750 mg (4.23 mmol) of the compound from Example 8A and 1.15 g (4.23 mmol) of the compound from Example 181A in analogy to the synthesis of the compound from Example 278. A difference was that stirring at 80° C. for two days was followed by addition of 0.33 ml (4.23 mmol) of trifluoroacetic acid and stirring for an additional 16 h. 65 mg (75% purity, 3% of theory) of the target compound were obtained.

Fuente

DOI: 10.6084/m9.figshare.5104873.v1Patente: US08063234B2uspto-grants-2011_11