Reaktion #95085

ord-72d282b3d6794572b68a7101fcbda5f4

Lösungsmittel

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    workup.ADDITIONA mixture of 50 g
  2. 2
    Temperaturunder reflux for 2.5 hours
  3. 3
    FiltrationThe cooled solution was filtered
  4. 4
    Sonstigeit was evaporated in vacuo
  5. 5
    SonstigeThe residue was recrystallized from carbon tetrachloride
  6. 6
    Sonstigeto give 49.9 g

Vorschrift

A mixture of 50 g. of 3-(3-nitrophenyl)propenoic acid, 24.54 ml. of thionyl chloride and 300 ml. of benzene were heated under reflux for 2.5 hours. The cooled solution was filtered and then it was evaporated in vacuo. The residue was recrystallized from carbon tetrachloride, to give 49.9 g. (91% yield) of the title compound, m.p. 81°-83.5° C.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US04343813uspto-grants-1982_08