Title:
ベンゾフェノンの調製
Document Type and Number:
Japanese Patent JP2006515586
Kind Code:
A
Abstract:
A process for preparing benzophenones of the formula I, where X may be chlorine, hydroxyl, methoxy or C1-C6-alkylcarbonyloxy, and Y may be chlorine or bromine, by reacting an acid chloride of the formula II where X and Y are as defined above with 3,4,5-trimethoxytoluene, which comprises carrying out the reaction in the presence of a) an aromatic hydrocarbon as a diluent and b) from 0.01 to 0.2 mol % of an iron catalyst, based on the acid chloride, c) at a temperature between 60° C. and the boiling point of the particular diluent.
Inventors:
My Waldo, Volker
Hoffman, Nico
Kyle, Michael
Fogelbacher, Uwe, Joseph
Wevers, Jan, Hendrik
Hoffman, Nico
Kyle, Michael
Fogelbacher, Uwe, Joseph
Wevers, Jan, Hendrik
Application Number:
JP2004559732A
Publication Date:
June 01, 2006
Filing Date:
December 01, 2003
Export Citation:
Assignee:
BASF Aktiengesellschaft
International Classes:
C07C45/46; C07C45/81; C07C49/84; C07C51/363; C07C51/60; C07B61/00
Domestic Patent References:
| JPH11171818A | 1999-06-29 | |||
| JPS4885560A | 1973-11-13 | |||
| JPH11171818A | 1999-06-29 | |||
| JPS4885560A | 1973-11-13 |
Foreign References:
| WO2001051440A1 | 2001-07-19 | |||
| WO2001051440A1 | 2001-07-19 |
Attorney, Agent or Firm:
Yusuke Hiraki
Ishii Teiji
Satoshi Fujita
Ai Fujii
Ishii Teiji
Satoshi Fujita
Ai Fujii