Reaction of olefins with maleic anhydride

Details Reaction of olefins with maleic anhydride Reaction of olefins with maleic anhydride

1985-03-28

1986-07-08

Jiles, Henry R.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30760

Patent

active

045994331

ABSTRACT:
Olefinically unsaturated hydrocarbons, in particular dimeric or polymeric isobutene derivatives, which have a mean number average molecular weight M.sub.n of from 100 to 3000, are reacted with maleic anhydride in a molar ratio of maleic anhydride to olefin of from 0.2 to 3.0, in the presence of from 1 to 5000 ppm by weight of an alkoxide of titanium, of zirconium, of vanadium or of aluminum, at from 150.degree. to 280.degree. C., with formation of the corresponding succinic anhydride. These products are used for the preparation of anticorrosive agents or oil additives.

REFERENCES:
patent: 2297039 (1942-09-01), van Melsen
patent: 3855251 (1974-12-01), Cahill et al.
patent: 3935249 (1976-01-01), Puskas et al.
patent: 3953475 (1976-04-01), Puskas et al.
patent: 4278604 (1981-07-01), Powell
patent: 4388471 (1983-06-01), Wollenberg

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