Process for making allyl succinic anhydride

Details Process for making allyl succinic anhydride Process for making allyl succinic anhydride

2005-09-06

2005-09-06

Dentz, Bernard (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

06939976

ABSTRACT:
A process for the production of allyl succinic anhydride comprising reacting a mixture of propene with maleic anhydride in the presence of a catalyst comprised of an alkyl tin chloride as provided. The process can be run efficiently at temperatures below about 200° C. without and the formation of polymer or decomposition by-products.

REFERENCES:
patent: 2297039 (1942-09-01), van Melsen
patent: 3243480 (1966-03-01), Anderson et al.
patent: 3819660 (1974-06-01), Cahill et al.
patent: 4317744 (1982-03-01), Levi
Phillips et al., “Polynuclear Aromatic Hydrocarbons. VIII1The Reaction Between Allylsuccinic Anhydride and Benzene,” J. Am. Chem. Soc., vol. 80 (1958), 3663-3667.
Barry B. Snider, “Lewis-Acid-Catalyzed Ene Reactions,” Acc. Chem. Res., (1980), 13, pp. 426-432.
Alder et al., Uber die Anlagerung von Maleinsäure-anhydrid und Azodicarbon-säure-ester an einfach ungesättigte Kohlenwasserstoffe. Zur Kenntnis von Substitutionsvorgängen in der Allyl-Stellung, Chemische Berichte, 1943, vol. 76, pp. 27-53.

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