Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Organic compound containing
Patent
1998-02-11
2000-06-06
Wood, Elizabeth D.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Organic compound containing
502150, 502161, 502167, B01J 3100, B01J 3104
Patent
active
06071848&
ABSTRACT:
The invention relates to a process for the hydroxylation of aromatic hydrocarbons by direct oxidation with hydrogen peroxide. The process is carried out in the presence of a catalyst comprising:
REFERENCES:
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patent: 4859646 (1989-08-01), Drent
patent: 5028576 (1991-07-01), Drent
patent: 5124300 (1992-06-01), Drent
Seizo Tamagaki, et al., "Hydroxylation of Benzene by Hydrogen Peroxide Catalyzed by an Fe.sup.3+ -Catechol Catalyst Supported on Silica Gel," Chemistry Letters, The Chemical Society of Japan, No. 5, (May 1982), pp. 651-652.
Kazuhiko Hotta, et al., "Hydroxylation of Benzene With Hydrogen Peroxide By The Use of Hydrophobic Catechols and Fe.sup.3+ Complexes as The Catalyst," Chemistry Letters, The Chemistry Society of Japan, No. 6, (Jun. 1981), pp. 789-790.
Derwent Abstracts, Accession No. 96-207693, Prodn. of Pyrocatechol and Hydroquinone--Comprises Reacting Phenol With Aq. Hydrogen Peroxide in Presence of Bivalent Iron Sulphate As Catalyst, RU2043331, Sep. 10, 1995.
Derwent Abstracts, Accession No. 95-281983, Prepn. of Prod. of Pyrocatechol and Hydroquinone For Use As Dye Intermediate--Includes Reacting Phenol @ With Aq. Hydrogen Peroxide With Di:Valent Iron Sulphate As Catalyst, RU2028287, Feb. 9, 1995.
Battistel Ezio
Bianchi Daniele
Bortolo Rossella
Tassinari Roberto
Vignola Rodolfo
Enichem S.p.A.
Wood Elizabeth D.
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