Title:
置換アミノトリアゾリノンの製造法
Document Type and Number:
Japanese Patent JP4001398
Kind Code:
B2
Abstract:
Prepn. of substd. aminotriazolinone herbicide intermediates of formula (I) comprises slowly adding the corresp. oxadiazolone of formula (II) to hydrazine hydrate which has been mixed with a base (which is opt. dissolved in water) and a polar organic solvent. The reaction takes place at 50-150 degrees C and the temp. is maintained until the reaction is almost complete. R = alkyl, alkoxy, alkylthio, alkylamino or dialkylamino.
Inventors:
Hans-Joachim Dahl
Klaus-Helmut Michelle
Reinhard Ranchille
Klaus-Helmut Michelle
Reinhard Ranchille
Application Number:
JP22946096A
Publication Date:
October 31, 2007
Filing Date:
August 13, 1996
Export Citation:
Assignee:
Bayer Aktiengesellschaft
International Classes:
C07D249/12; A01N43/653; A01P13/00
Domestic Patent References:
| JP3133966A | ||||
| JP1197474A |
Attorney, Agent or Firm:
Heikichi Odashima