Preparation of 2,5-dimethylhexane-2,5-dihydroperoxide and deriva

Details Preparation of 2,5-dimethylhexane-2,5-dihydroperoxide and deriva Preparation of 2,5-dimethylhexane-2,5-dihydroperoxide and deriva

1992-08-17

1993-05-11

Lone, Werren B.

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

Organic compounds

Oxygen containing

568562, 568578, C07C40922

Patent

active

052103200

ABSTRACT:
A one-step process for preparing 2,5-dimethylhexane-2,5-dihydroperoxide and its alkyl derivatives comprises: (1) adding sulfuric acid to a 60-70% hydrogen peroxide solution to form a first reaction mixture where the first mixture is controlled at a temperature in the range of from about -10.degree. C. to about 10.degree. C.; (2) adding 2,5-dimethyl-2,5-dihydroxy hexane to the mixture held at a temperature in the range of from about -10.degree. C. to about 10.degree. C. or lower to form a second reaction mixture and maintaining the second mixture at a temperature in the range of from about 20.degree. C. to about 50.degree. C. for about 5 minutes to about 5 hours to form a slurry containing the solid product of 2,5-dimethylhexane-2,5-dihydroperoxide, unreacted reactants and impurities; (3) lowering the temperature of the slurry to the range of from about -10.degree. C. to about 10.degree. C.; (4) removing unreacted reactants and impurities from the solid product and optionally, washing the solid product; and (5) adding sulfated alkyl alcohol, which is prepared by adding the alkyl alcohol to sulfuric acid, to the solid product to form a third reaction mixture and maintaining the third mixture at about 30.degree. C. to about 60.degree. C. for about 1 to about 5 hours to prepare the alkyl derivatives.

REFERENCES:
patent: 3086966 (1963-04-01), Mageli et al.
patent: 3117166 (1964-01-01), Harrison et al.
patent: 3135805 (1964-06-01), Gilmont
patent: 3214422 (1965-10-01), Mageli et al.

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