Title:
【発明の名称】ピリダジノン誘導体の製造方法
Document Type and Number:
Japanese Patent JP2959840
Kind Code:
B2
Abstract:
A method for the preparation of a pyridazinone derivative having general formula (I), where: R<1> is a phenyl group, optionally substituted, R<2> is H, alkyl or carboxy, R<3> is H, alkyl or alkoxy and R<4> is alkyl; said method comprising reacting a hydrazone of glyoxylic acid halide having formula (VII) in which X is halogen, with an ester of formula (VIII) in the presence of an alkaline earth base.
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| WO/2012/107475 | MICROBIOCIDAL PYRAZOLE DERIVATIVES |
Inventors:
KOTSUKUSU BURAIAN JOFUREE
HAWAAZU MAIKERU SUKOTSUTO
HAWAAZU MAIKERU SUKOTSUTO
Application Number:
JP51288590A
Publication Date:
October 06, 1999
Filing Date:
August 29, 1990
Export Citation:
Assignee:
ZENEKA LTD
International Classes:
A01N43/58; C07D237/14; C07D237/24; (IPC1-7): C07D237/24; C07D237/14
Domestic Patent References:
| JP57102868A | ||||
| JP57102869A | ||||
| JP58162578A | ||||
| JP2131471A |
Attorney, Agent or Firm:
Shigeru Yagita (2 outside)