GB1336218A - 6-chloropyridazinium compounds - Google Patents

6-chloropyridazinium compounds

Info

Publication number
GB1336218A
GB1336218A GB2641871*A GB2641871A GB1336218A GB 1336218 A GB1336218 A GB 1336218A GB 2641871 A GB2641871 A GB 2641871A GB 1336218 A GB1336218 A GB 1336218A
Authority
GB
United Kingdom
Prior art keywords
optionally substituted
pyridazines
april
additionally
formula
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.)
Expired
Application number
GB2641871*A
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.)
BASF SE
Original Assignee
BASF SE
Badische Anilin and Sodafabrik AG
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 BASF SE, Badische Anilin and Sodafabrik AG filed Critical BASF SE
Publication of GB1336218A publication Critical patent/GB1336218A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)

Abstract

1336218 Pyridazines BADISCHE ANILIN- & SODA-FABRIK AG 19 April 1971 [8 April 1970] 26418/71 Heading C2C Pyridazines of formula wherein X is chlorine and each of R<SP>1</SP>, R<SP>2</SP> and R<SP>3</SP> is an optionally substituted aliphatic, cycloaliphatic, araliphatic or aromatic hydrocarbon radical, or R<SP>1</SP> and R<SP>2</SP> may additionally be hydrogen, halogen, mercapto, nitro, an optionally substituted alkoxy or alkylmercapto group or an optionally substituted aromatic hydrocarbon group attached by an azo group, or R<SP>3</SP> may additionally be an optionally substituted heterocyclic radical, are obtained by reaction of a compound of formula with phosgene, thiophosgene or oxalyl chloride in an inert solvent. The products are dye intermediates.
GB2641871*A 1970-04-08 1971-04-19 6-chloropyridazinium compounds Expired GB1336218A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702016691 DE2016691A1 (en) 1970-04-08 1970-04-08 Process for the preparation of 6-chloropyridazinium compounds

Publications (1)

Publication Number Publication Date
GB1336218A true GB1336218A (en) 1973-11-07

Family

ID=5767419

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2641871*A Expired GB1336218A (en) 1970-04-08 1971-04-19 6-chloropyridazinium compounds

Country Status (4)

Country Link
AT (1) AT305301B (en)
CH (1) CH547292A (en)
DE (1) DE2016691A1 (en)
GB (1) GB1336218A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2245248C2 (en) * 1972-09-15 1983-06-09 Basf Ag, 6700 Ludwigshafen 1-phenyl-4-aminopyridazinium salts
DE10024938A1 (en) * 2000-05-19 2001-11-22 Bayer Ag New substituted iminoazine derivatives useful as herbicides, especially for weed control in crops

Also Published As

Publication number Publication date
DE2016691A1 (en) 1971-10-21
CH547292A (en) 1974-03-29
AT305301B (en) 1973-02-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee