Acetic Anhydride → 2,3-Dimethylsuccinic anhydride

HRID 924623

Reaktionsgleichung

Reaktionsgleichung von HRID 924623
[CH3:1][CH:2]([CH:6]([CH3:10])[C:7]([OH:9])=[O:8])[C:3](O)=[O:4].CC(OC(C)=O)=O>>[CH3:1][CH:2]1[CH:6]([CH3:10])[C:7](=[O:9])[O:8][C:3]1=[O:4]

Komponenten

3

Edukt 2

HCID 7918Acetic AnhydrideHCID 118482,3-Dimethylsuccinic acid

Produkt 1

HCID 1401452,3-Dimethylsuccinic anhydride

Versuchsvorschrift

2,3-Dimethyl succinic anhydride was prepared as described in Sutton, et al. OPPI 24 (1992) 39. Briefly, 7.1 g 2,3-dimethyl succinic acid and 6.9 ml acetanhydride were slowly heated up to 50° C. for 3 hours. Then acetanhydride was removed by distillation. The product was recrystallized from ethanol abs. and characterized by the melting point.

Aufarbeitung

  1. customThen acetanhydride was removed by distillation
  2. customThe product was recrystallized from ethanol abs

Quellen und Nachweise

ORD-Eintrag
ord-5403135eb5204daea138e61c612c7f0d
Quelldatensatz
uspto-grants-2016_03
Patentnummer
US09283186B2

Verknüpfte Notizen

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