Compounds by addition of hydroperoxides to .alpha.-.beta.-unsatu

Details Compounds by addition of hydroperoxides to .alpha.-.beta.-unsatu Compounds by addition of hydroperoxides to .alpha.-.beta.-unsatu

1968-05-07

1981-03-24

Trousof, Natalie

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

Organic compounds

Oxygen containing

568311, 568385, 568414, C07C 49213, C07C 4904, C07C 4564

Patent

active

042579856

ABSTRACT:
Compounds containing at least one keto group and at least one peroxy group, each peroxy oxygen being joined to a tertiary carbon atom.
Examples: 2-Methyl-2-(t-butylperoxy)-4-pentanone. 2,6-Dimethyl-2,6-bis(t-butylperoxy)-4-heptanone. 3,5,5-Trimethyl-3-(t-butylperoxy)cyclohexanone.
The compounds are prepared by the strong acid catalyzed addition of a tertiary hydroperoxide to an .alpha.,.beta.-unsaturated ketone. Illustration: Mesityl oxide and pinanyl hydroperoxide, in slight excess, were reacted at 0.degree. C. in the presence of 77% sulfuric acid; the reaction mix was stirred for 16 hours at 25.degree. C. Product 2-methyl-2-pinanylperoxy-4-pentanone was recovered.

REFERENCES:
patent: 2455569 (1948-12-01), Dickey
patent: 2508256 (1950-05-01), Harman
patent: 2818437 (1957-12-01), Wildi
patent: 3308163 (1967-03-01), McKellin

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