Title:
【発明の名称】アルカンスルホニル安息香酸の製法
Document Type and Number:
Japanese Patent JP2868614
Kind Code:
B2
Abstract:
A process for the production of alkane sulphonyl benzoic acids in which alkane sulphonyl alkyl benzoles of the formula (I) in which R?1 and R?2 are the same or different and are alkyl with 1 to 4 C atoms, but R?2 is not t-butyl, and X stands for H, F, Cl, Br or NO2?, are oxidised under high pressure at temperatures of over 120C with molecular oxygen in acetic and/or propionic acid in the presence of a catalyst soluble therein containing cobalt and bromine ions, and if R?2 is not methyl, manganese ions as well.
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Inventors:
REERUSHAITO FURAIMUNTO
Application Number:
JP50598990A
Publication Date:
March 10, 1999
Filing Date:
April 21, 1990
Export Citation:
Assignee:
KURARIANTO GMBH
International Classes:
B01J31/04; C07B61/00; C07C315/04; C07C317/44; (IPC1-7): C07C317/44; B01J31/04; C07C315/04
Attorney, Agent or Firm:
Mitsufumi Esaki (2 others)