Title:
【発明の名称】2,3,5,6―テトラフルオロ安息香酸の製造方法
Document Type and Number:
Japanese Patent JP2512478
Kind Code:
B2
Abstract:
2,3,5,6-Tetrafluorobenzoic acid is prepared from 4-trifluoromethyl-benzoyl fluoride by chlorination, fluorination, hydrolysis, decarboxylation and saponification. The new compounds 2,3,5,6-tetrachloro-4-trifluoromethyl-benzoyl chloride and 2,3,5,6-tetrafluoro-4-trifluoromethyl-benzoyl fluoride are produced during this as intermediates.
Inventors:
ERUNSUTO KIZERA
RUDORUFU BURAADEN
RUDORUFU BURAADEN
Application Number:
JP15458287A
Publication Date:
July 03, 1996
Filing Date:
June 23, 1987
Export Citation:
Assignee:
BAYER AG
International Classes:
C07C17/363; C07C25/13; C07B61/00; C07C51/04; C07C51/093; C07C51/305; C07C51/58; C07C51/60; C07C51/62; C07C63/70; C07C63/72; (IPC1-7): C07C63/70; C07C51/093
Attorney, Agent or Firm:
Heiyoshi Odashima