Title:
HEXAHYDRO-3H-INDAZOLE DERIVATIVE AND PRODUCTION THEREOF
Document Type and Number:
Japanese Patent JPS62238268
Kind Code:
A
Abstract:
NEW MATERIAL:2-(2-Fluoro-5-nitrophenyl)-1, 2, 4, 5, 6, 7-hexahydro-3H-indazole-3- one.
USE: An intermediate for producing tetrahydro-1H-indazole derivatives, expressed by the formula (R is alkyl, alkenyl, alkynyl or alkoxyalkyl) and capable of exhibiting sufficient herbicidal efficacy against many weeds without showing phytotoxicity to main crops, e.g. corn, wheat, rice plant, soybean, cotton, etc.
PREPARATION: One equivalent 2-fluoro-5-nitrophenylhydrazine is reacted with 1.0W1.5 equivalents 2-cyclohexanonecarboxylic acid ester in a lower aliphatic carboxylic acid solvent, e.g. acetic acid, etc., at 20W120°C for 1W24hr to afford the aimed novel substance.
Inventors:
HAGA TORU
NAGANO HIDEYOSHI
SATO MAKOTO
MORITA KOICHI
NAGANO HIDEYOSHI
SATO MAKOTO
MORITA KOICHI
Application Number:
JP7966186A
Publication Date:
October 19, 1987
Filing Date:
April 07, 1986
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO
International Classes:
C07D231/56; (IPC1-7): C07D231/56
Attorney, Agent or Firm:
Moroishi Mitsuhiro