Title:
【発明の名称】フエノ-ル類またはフエニルアミン類のオルトシアノ化法
Document Type and Number:
Japanese Patent JP2567621
Kind Code:
B2
Abstract:
A process for ortho-cyanation of phenols or phenylamines which comprises reacting a phenyl compound having a hydroxy group or an optionally substituted amino or cyclic amino group, of which the ortho position is vacant, with trichloroacetonitrile, a C1-C5 alkyl thiocyanate or a C6 - C12 aryl thiocyanate in the presence of a boron trihalide and treating the resultant product with an alkali is provided, and said process is useful in the synthesis of intermediates for medicinals or pesticides.
Inventors:
ADACHI MAKOTO
MATSUMURA HIROSHI
SUGASAWA TSUTOMU
MATSUMURA HIROSHI
SUGASAWA TSUTOMU
Application Number:
JP20770987A
Publication Date:
December 25, 1996
Filing Date:
August 20, 1987
Export Citation:
Assignee:
SHIONOGI SEIYAKU KK
International Classes:
C07B31/00; C07B43/08; C07C67/00; C07C253/00; C07C255/53; C07C255/54; C07C255/58; C07C313/00; C07C319/20; C07C323/45; C07C323/62; C07D207/09; C07D207/14; C07D209/08; C07D211/56; C07D211/58; C07D215/48; C07D241/38; C07D241/42; C07D265/36; C07D265/38; C07D279/16; C07D279/20; C07D401/04; C07D403/04; C07D403/06; (IPC1-7): C07B43/08; C07C253/00; C07C255/53; C07C255/58; C07C319/20; C07C323/62; C07D209/08; C07D211/58; C07D215/48; C07D241/42; C07D265/36; C07D265/38; C07D279/16; C07D401/04; C07D403/04; C07D403/06
Attorney, Agent or Firm:
Hiromitsu Takayama