반응 #2888

ord-4897d8268b054a86a723074d1e00d03f

용매

반응 조건

상세 조건
See reaction.notes.procedure_details.

후처리

  1. 1
    workup.WAITAfter a few minutes
  2. 2
    여과is filtered
  3. 3
    세척washed with cold ethanol
  4. 4
    기타dried

실험 절차

2.5 ml of an 8.4N hydrochloric acid/ethanol solution are added to a solution, cooled in an ice bath, of 7.4 g (20.3 mmol) of 4,5-dichloro-2-methyl-1-[4-(4-phenyl-1,2,3,6-tetrahydro-1-pyridyl)butyl]-1H-imidazole in 15 ml of absolute ethanol. After a few minutes, a precipitate appears which is filtered, washed with cold ethanol and dried, 7.7 g (19.2 mmol) of 4,5-dichloro-2-methyl-1-[4-(4-phenyl-1,2,3,6-tetrahydro-1-pyridyl)-butyl]-1H-imidazole hydrochloride being obtained.

출처

DOI: 10.6084/m9.figshare.5104873.v1특허: US05731331uspto-grants-1998_03