Реакция #2972

ord-3ae2e96f1f8c4014ac444d242c55c3da

Растворители

Условия реакции

Подробные условия
See reaction.notes.procedure_details.

Обработка

  1. 1
    ДругоеThe solvent was evaporated in vacuo
  2. 2
    Другоеthe solid crystallized from EtOH

Методика

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.

Источник

DOI: 10.6084/m9.figshare.5104873.v1Патент: US05731322uspto-grants-1998_03