Oxidation of isobutylene oxide to methacrylic acid and methacrol

Details Oxidation of isobutylene oxide to methacrylic acid and methacrol Oxidation of isobutylene oxide to methacrylic acid and methacrol

1981-04-27

1985-12-10

Lone, Werren B.

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

Organic compounds

Carboxylic acids and salts thereof

568470, 568483, C07C 5121, C07C 5123

Patent

active

045581541

ABSTRACT:
A novel synthesis of methacrylic acid and methacrolein from isobutylene oxide is provided. This method includes contacting isobutylene oxide with a catalyst, preferably a heteropolyacid catalyst, in the presence of oxygen. Using this method, isobutylene oxide conversion is nearly 100% complete. Depending upon the reaction temperature selected, yields of up to about 60% methacrolein and up to about 12% methacrylic acid may be obtained. A simple, inexpensive high yield process is thus provided for producing reaction mixtures containing methacrylic acid and methacrolein.

REFERENCES:
patent: 2075100 (1937-03-01), Dreyfus

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