Reaktion #94707

ord-832b12499ece4446aaeabb70e1fd5422

Reaktionsgleichung

CC1CC(=O)OC1=O
methyl-succinic anhydride
O=S(=O)=O
sulfur trioxide
O=S(=O)=O
sulfur trioxide
→
CC1(S(=O)(=O)O)CC(=O)OC1=O
SULFO-METHYL-SUCCINIC ANHYDRIDE

Edukte

CC1CC(=O)OC1=O
methyl-succinic anhydride
O=S(=O)=O
sulfur trioxide
O=S(=O)=O
sulfur trioxide

Reagenzien

Keine

Lösungsmittel

C=C(C)C(=O)OC
methyl methacrylate

Reaktionsbedingungen

Temperatur
110°CELSIUS
Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    Sonstigefitted with a condenser adequate
  2. 2
    Temperaturthe product is cooled to 25° C.

Vorschrift

114 g. of methyl-succinic anhydride and 80 g. of liquid sulfur trioxide are stirred and heated to 110° C. in an apparatus fitted with a condenser adequate to contain the low boiling sulfur trioxide. After 1 hour, the product is cooled to 25° C. and has an equivalent weight of about 65. It is stored as a solution in methyl methacrylate.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US04131736uspto-grants-1978_12