Title:
アルコキシトリアゾリノン類の製造方法
Document Type and Number:
Japanese Patent JP4696258
Kind Code:
B2
Abstract:
A process for preparing alkoxytriazolinones of general formula (1):in which R1 and R2 independently represent an alkyl group, an aryl group, an arylalkyl group or cycloalkyl group. The alkoxytriazolinones are prepared by reacting, in a first stage, water-dissolved iminocarboxylic acid diesters in the presence of a mineral acid or by reacting a mixture of water with a water-miscible polar organic solvent and a carboxylic acid ester, yielding hydrazine carboxylic acid ester; and in a second stage, by further reacting the thus obtained reaction product with an amine, a polar organic solvent or mixtures thereof in the presence of water.
Inventors:
Fight, ulrich
Application Number:
JP2000514900A
Publication Date:
June 08, 2011
Filing Date:
October 08, 1998
Export Citation:
Assignee:
Lonza Age
International Classes:
C07D249/12; C07C281/04
Domestic Patent References:
| JP8099963A | ||||
| JP8311044A | ||||
| JP8325244A |
Attorney, Agent or Firm:
Sooo Suga