Reacción #354959

ord-44bce3965b8f4f6baac9fdac01e781a7

Disolventes

Condiciones de reacción

Condiciones detalladas
See reaction.notes.procedure_details.

Tratamiento posterior

  1. 1
    TemperaturaThe solution is cooled
  2. 2
    Extracciónextracted with diethyl ether

Procedimiento

3-Acetoxy-3-(N-acetylisopropylaminomethyl)-7-carbethoxyamino-3,4-dihydro-2H-1,5-benzodioxepin (4.1 g., 10 millimoles) is warmed five hours at 40°C. with 6 ml. of concentrated hydrochloric acid and 34 ml. of ethanol. The solution is cooled, taken to the basic side with sodium hydroxide, diluted with water, and extracted with diethyl ether to give 3-hydroxy-3-isopropylaminomethyl-7-carbethoxyamino-3,4-dihydro-2H-1,5-benzodioxepin.

Fuente

DOI: 10.6084/m9.figshare.5104873.v1Patente: US03944560uspto-grants-1976_03