Title:
【発明の名称】フルオルベンゼンの製法
Document Type and Number:
Japanese Patent JPH05500369
Kind Code:
A
Abstract:
PCT No. PCT/EP90/01762 Sec. 371 Date Apr. 24, 1992 Sec. 102(e) Date Apr. 24, 1992 PCT Filed Oct. 18, 1990 PCT Pub. No. WO91/06518 PCT Pub. Date May 16, 1991.Process for the preparation of fluorobenzenes having at least one hydrogen atom as ring substituent and, optionally, further substituents, which, independently of each other, can be chlorine, bromine, nitro, hydroxyl, C1-C3-alkoxy or C1-C3-alkyl, the number of nitro groups being not more than 2 and the number of hydroxyl groups and alkoxy groups being not more than 3 in each case, by heating the corresponding benzaldehydes, substituted by at least one flourine atom, in the presence of a catalyst, characterized in that the reaction product is immediately removed from the reaction zone.
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Inventors:
Gistig Frank Peter
Leupold Ernst Ingo
Ritteller Heinz
Leupold Ernst Ingo
Ritteller Heinz
Application Number:
JP51413490A
Publication Date:
January 28, 1993
Filing Date:
October 18, 1990
Export Citation:
Assignee:
HOECHST AKTIENGESELLSCHAFT
International Classes:
B01J31/24; C07B37/06; C07B61/00; C07C17/361; C07C25/13; C07C37/62; C07C201/12; C07C205/11; C07C205/12; (IPC1-7): C07C205/11; C07C201/12; C07C25/13; C07C17/33; C07B61/00; C07B37/06; B01J31/24
Domestic Patent References:
| JPS61260030A | 1986-11-18 | |||
| JPH0273025A | 1990-03-13 |
Attorney, Agent or Firm:
Mitsuyoshi Esaki (3 outside)