Dimethyl Sulfate → HCID 20515167, Verbindung

HRID 236829Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 236829
[SH:1][C:2]1[CH:3]=[C:4]([C:14](=[O:20])[C:15]([O:17][CH2:18][CH3:19])=[O:16])[CH:5]=[CH:6][C:7]=1[CH:8]1[CH2:13][CH2:12][CH2:11][CH2:10][CH2:9]1.[OH-].[Na+].S(OC)(O[CH3:27])(=O)=O>O>[CH3:27][S:1][C:2]1[CH:3]=[C:4]([C:14](=[O:20])[C:15]([O:17][CH2:18][CH3:19])=[O:16])[CH:5]=[CH:6][C:7]=1[CH:8]1[CH2:13][CH2:12][CH2:11][CH2:10][CH2:9]1

Komponenten

5

Reaktionsbedingungen

Temperatur
40 °C

Versuchsvorschrift

To 3.85 g. of ethyl 3-mercapto-4-cyclohexylphenylglyoxylate in 40 ml. of water containing 0.65 g. of sodium hydroxide is added 2 ml. of dimethyl sulfate with stirring. The reaction mixture is gradually warmed to 40° C. and stirred for 2 hours. The mixture is cooled and extracted with ether which is washed with water, dried and evaporated in vacuo. The residue is distilled to obtain ethyl 3-methylthio-4-cyclohexylphenylglyoxylate.

Aufarbeitung

  1. temperatureThe mixture is cooled
  2. extractionextracted with ether which
  3. washis washed with water
  4. customdried
  5. customevaporated in vacuo
  6. distillationThe residue is distilled

Quellen und Nachweise

ORD-Eintrag
ord-44ff73496f994bad9deeee82ae734cca
Quelldatensatz
uspto-grants-1979_06
Patentnummer
US04157449

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