p-Toluenesulfonic acid → 3-(3',4'-Dichloro-4-biphenylyl)-2-butenoic acid

HRID 1439041Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1439041
[Cl:1][C:2]1[CH:3]=[C:4]([C:9]2[CH:14]=[CH:13][C:12]([C:15](O)([CH3:20])[CH2:16][C:17]([OH:19])=[O:18])=[CH:11][CH:10]=2)[CH:5]=[CH:6][C:7]=1[Cl:8].C1(C)C=CC(S(O)(=O)=O)=CC=1>C1(C)C=CC=CC=1>[Cl:1][C:2]1[CH:3]=[C:4]([C:9]2[CH:14]=[CH:13][C:12]([C:15]([CH3:20])=[CH:16][C:17]([OH:19])=[O:18])=[CH:11][CH:10]=2)[CH:5]=[CH:6][C:7]=1[Cl:8]

Komponenten

4

Versuchsvorschrift

1 g. of 3-(3',4'-dichloro-4-biphenylyl)-3-hydroxybutyric acid and 0.1 g. of p-toluenesulfonic acid in 35 ml. of toluene are heated under reflux for 3 hours and water by-product is removed. The reaction mixture is worked up to give 3-(3',4'-dichloro-4-biphenylyl)-2-butenoic acid.

Aufarbeitung

  1. temperatureunder reflux for 3 hours
  2. customwater by-product is removed

Quellen und Nachweise

ORD-Eintrag
ord-b92556c609bc4414900f9446889395fb
Quelldatensatz
uspto-grants-1977_11
Patentnummer
US04057647

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