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JPS54119488A - S-triazolo4,3-bpyridazine derivatives - Google Patents

S-triazolo4,3-bpyridazine derivatives

Info

Publication number
JPS54119488A
JPS54119488A JP2496978A JP2496978A JPS54119488A JP S54119488 A JPS54119488 A JP S54119488A JP 2496978 A JP2496978 A JP 2496978A JP 2496978 A JP2496978 A JP 2496978A JP S54119488 A JPS54119488 A JP S54119488A
Authority
JP
Japan
Prior art keywords
halogen
triazolo
pyridazine
blight
trichloromethyl
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2496978A
Other languages
Japanese (ja)
Other versions
JPS5614113B2 (en
Inventor
Takayuki Akita
Kunihiro Yabutani
Michihiro Yasui
Tatsuo Harada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nihon Nohyaku Co Ltd
Original Assignee
Nihon Nohyaku Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nihon Nohyaku Co Ltd filed Critical Nihon Nohyaku Co Ltd
Priority to JP2496978A priority Critical patent/JPS54119488A/en
Publication of JPS54119488A publication Critical patent/JPS54119488A/en
Publication of JPS5614113B2 publication Critical patent/JPS5614113B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

NEW MATERIAL:s-Triazolo[4,3-b]pyridazine derivative of formula I(R2 is halogen, trichloromethyl; when R2 is halogen, R1 is 3-5C lower lakoxy, and when R2 is trichloromethyl, R1 is halogen).
EXAMPLE: 3-Chloro-6-isopropoxy-s-triazolo[4,3-b]pyridazine.
USE: Fungicides, insecticides or their intermediates. Effective to serious blight of crops, esp. to rice blast and sheatn blight of rice plant. Also effective to noxious lepidopteron larvae.
PROCESS: Reaction of a compound II (hal is halogen) with trichloroacetic acid in a solvent such as dioxane, benzene, etc., at a temperature between room temp. and reflux temp. of the solvent affords the objective compound III, i.e. 3-trichloro-6- halo-s-triazolo[4,3-b]pyridazine.
COPYRIGHT: (C)1979,JPO&Japio
JP2496978A 1978-03-07 1978-03-07 S-triazolo4,3-bpyridazine derivatives Granted JPS54119488A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2496978A JPS54119488A (en) 1978-03-07 1978-03-07 S-triazolo4,3-bpyridazine derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2496978A JPS54119488A (en) 1978-03-07 1978-03-07 S-triazolo4,3-bpyridazine derivatives

Publications (2)

Publication Number Publication Date
JPS54119488A true JPS54119488A (en) 1979-09-17
JPS5614113B2 JPS5614113B2 (en) 1981-04-02

Family

ID=12152789

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2496978A Granted JPS54119488A (en) 1978-03-07 1978-03-07 S-triazolo4,3-bpyridazine derivatives

Country Status (1)

Country Link
JP (1) JPS54119488A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0556671A2 (en) * 1992-02-18 1993-08-25 Bayer Ag Triazolopyridine derivatives, process for their preparation and their use as microbicides

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0556671A2 (en) * 1992-02-18 1993-08-25 Bayer Ag Triazolopyridine derivatives, process for their preparation and their use as microbicides

Also Published As

Publication number Publication date
JPS5614113B2 (en) 1981-04-02

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