Réaction #2972

ord-3ae2e96f1f8c4014ac444d242c55c3da

Solvants

Conditions de réaction

Conditions détaillées
See reaction.notes.procedure_details.

Traitement

  1. 1
    AutreThe solvent was evaporated in vacuo
  2. 2
    Autrethe solid crystallized from EtOH

Mode opératoire

0.5 g (1.25 mmol) of (±)trans-2-dimethylaminocarbonyl-6-ethyl-8a-(3-methoxyphenyl)-3-methyl-4,4a,5,6,7,8,8a,9-octahydro-1H-pyrrolo[2,3-g] isoquinoline were treated with 0.725 ml (7.5 mmol) of boron tribromide as described in example 2. The etude product was dissolved in MeOH and the solution brought to acidic pH with HCl/Et2O. The solvent was evaporated in vacuo and the solid crystallized from EtOH, yielding 0.15 g of the title compound. M.p.=305° C. dec.

Source

DOI: 10.6084/m9.figshare.5104873.v1Brevet: US05731322uspto-grants-1998_03