Methylsuccinic anhydride → Sulfo-methyl-succinic anhydride

HRID 66429

Reaktionsgleichung

Reaktionsgleichung von HRID 66429
[CH3:1][CH:2]1[CH2:7][C:6](=[O:8])[O:5][C:3]1=[O:4].[S:9](=[O:12])(=[O:11])=[O:10]>C(OC)(=O)C(C)=C>[S:9]([C:2]1([CH3:1])[CH2:7][C:6](=[O:8])[O:5][C:3]1=[O:4])([OH:12])(=[O:11])=[O:10]

Komponenten

4

Edukt 2

HCID 20051Methylsuccinic anhydrideHCID 24682Sulfur trioxide2×

Produkt 1

HCID 54108120Sulfo-methyl-succinic anhydride

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6658Methyl MethacrylateLösungsmittel

Reaktionsbedingungen

Temperatur
110 °C

Versuchsvorschrift

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.

Aufarbeitung

  1. customfitted with a condenser adequate
  2. temperaturethe product is cooled to 25° C.

Quellen und Nachweise

ORD-Eintrag
ord-832b12499ece4446aaeabb70e1fd5422
Quelldatensatz
uspto-grants-1978_12
Patentnummer
US04131736

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