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Patent Searching and Data


Title:
【発明の名称】芳香族アルコール、特にフェノールの製造方法
Document Type and Number:
Japanese Patent JP2003529582
Kind Code:
A
Abstract:
The invention relates to a process for preparing phenol derivatives by catalytic oxidation of an aromatic hydrocarbon to the hydroperoxide and subsequent cleavage of the hydroperoxide to give the phenol derivative and a ketone, wherein a compound of the formula I where R1, R2=H, aliphatic or aromatic alkoxy radical, carboxyl radical, alkoxycarbonyl radical or hydrocarbon radical, in each case having from 1 to 20 carbon atoms, SO3H, NH2, OH, F, Cl, Br, I and/or NO2, where R1 and R2 are identical or different radicals or R1 and R2 may be joined to one another via a covalent bond, and X, Z=C, S, CH2 Y=O, OH k=0, 1, 2 l=0, 1, 2 m=1-3; is used as oxidation catalyst in the presence of a free-radical initiator, where the molar ratio of the catalyst to the aromatic hydrocarbon is less than 10 mol %.

Inventors:
Adolf Künle
Mark Duda
Uwe Tanger
Roger Arthur Sheldon
Isabella Way Sa Arenz
Manicham Sashidaran
Application Number:
JP2001572462A
Publication Date:
October 07, 2003
Filing Date:
March 22, 2001
Export Citation:
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Assignee:
Degussa Actien Gezel Shaft
International Classes:
B01J31/02; C07B61/00; C07C27/12; C07C37/08; C07C39/04; C07C45/53; C07C49/08; C07C49/385; C07C49/413; C07C409/08; C07C409/10; C07C409/14; (IPC1-7): C07C27/12; B01J31/02; C07C37/08; C07C39/04; C07C45/53; C07C49/08; C07C49/385; C07C49/413
Attorney, Agent or Firm:
Toshio Yano (4 outside)