반응 #55179

ord-34cf583e09c244a5ad2473ff8ed3f4c8

반응 조건

상세 조건
See reaction.notes.procedure_details.

후처리

  1. 1
    workup.ADDITIONpoured onto ice

실험 절차

1 g. of 3-(2',4'-difluoro-4-biphenylyl)-3-hydroxybutyric acid is dissolved in 5 ml. of acetic acid. 1 ml. of concentrated hydrochloric acid is added and the mixture is allowed to stand for 2 hours at 20° and poured onto ice. After the customary work up, 3-(2',4'-difluoro-4-biphenylyl)-2-butenoic acid, m.p. 193-195°, is obtained.

출처

DOI: 10.6084/m9.figshare.5104873.v1특허: US04151302uspto-grants-1979_04