ZA922624B - Process for the preparation of 2-pyridylsulfonylureas,and thiadiazolopyridines as intermediates in this process - Google Patents

Process for the preparation of 2-pyridylsulfonylureas,and thiadiazolopyridines as intermediates in this process

Info

Publication number
ZA922624B
ZA922624B ZA922624A ZA922624A ZA922624B ZA 922624 B ZA922624 B ZA 922624B ZA 922624 A ZA922624 A ZA 922624A ZA 922624 A ZA922624 A ZA 922624A ZA 922624 B ZA922624 B ZA 922624B
Authority
ZA
South Africa
Prior art keywords
thiadiazolopyridines
pyridylsulfonylureas
intermediates
preparation
Prior art date
Application number
ZA922624A
Other languages
English (en)
Inventor
Heinz Kehne
Kehne Heinz
Original Assignee
Hoechst 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 Hoechst Ag filed Critical Hoechst Ag
Publication of ZA922624B publication Critical patent/ZA922624B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D521/00—Heterocyclic compounds containing unspecified hetero rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D513/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
    • C07D513/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains two hetero rings
    • C07D513/04—Ortho-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Pyridine Compounds (AREA)
ZA922624A 1991-04-11 1992-04-10 Process for the preparation of 2-pyridylsulfonylureas,and thiadiazolopyridines as intermediates in this process ZA922624B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4111800 1991-04-11

Publications (1)

Publication Number Publication Date
ZA922624B true ZA922624B (en) 1992-11-25

Family

ID=6429340

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA922624A ZA922624B (en) 1991-04-11 1992-04-10 Process for the preparation of 2-pyridylsulfonylureas,and thiadiazolopyridines as intermediates in this process

Country Status (9)

Country Link
US (2) US5235050A (xx)
EP (1) EP0508348B1 (xx)
JP (1) JPH05117269A (xx)
AU (1) AU646941B2 (xx)
CA (1) CA2065802A1 (xx)
DE (1) DE59208670D1 (xx)
HU (1) HU210517B (xx)
IL (1) IL101552A (xx)
ZA (1) ZA922624B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5663118A (en) * 1992-06-08 1997-09-02 Hoechst Schering Agrevo Gmbh Fluoromethylsulfonyl-substituted pyridylsulfonylureas as herbicides, process for their preparation, and their use
DK0582021T3 (da) * 1992-07-30 1994-08-22 Ciba Geigy Ag Sulfonylurinstoffer som herbicider
JP3187249B2 (ja) 1994-05-17 2001-07-11 本田技研工業株式会社 スラッジ除去装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK468979A (da) * 1978-12-04 1980-06-05 Du Pont Agrikulturelle pyridinsulfonamider
US4435206A (en) * 1978-12-04 1984-03-06 E. I. Du Pont De Nemours And Company Agricultural pyridinesulfonamides
BR8003393A (pt) * 1979-06-04 1980-12-30 Du Pont Processo para preparar um isocianato de arilsulfonila
US4744814A (en) * 1984-12-06 1988-05-17 Ishihara Sangyo Kaisha N-[(4,6-dimethoxypyrimidin-2-yl)aminocarbonyl]-3-trifluoromethylpyridine-2-sulfonamide or salts thereof, herbicidal composition containing the same
US4789393A (en) * 1986-03-07 1988-12-06 E. I. Du Pont De Nemours And Company Herbicidal pyridine sulfonamides
US4746356A (en) * 1986-05-23 1988-05-24 E. I. Dupont De Nemours And Company Herbicidal sulfonamides
CA1308101C (en) * 1986-12-08 1992-09-29 Paul Hsiao-Tseng Liang Herbicidal pyridinesulfonylureas
WO1989002700A2 (en) * 1987-09-28 1989-04-06 E.I. Du Pont De Nemours And Company Herbicidal o-carbomethoxysulfonylureas
EP0308371A1 (de) * 1987-09-18 1989-03-22 Ciba-Geigy Ag 4-Azasaccharine, 4-Aza-dihydro-oder-tetrahydrosaccharine und Verfahren zu deren Herstellung
EP0400013A1 (en) * 1987-11-20 1990-12-05 E.I. Du Pont De Nemours And Company Herbicidal alkanoylpyridinesulfonylureas
DE3811777A1 (de) * 1988-04-08 1989-10-19 Hoechst Ag Heterocyclisch substituierte alkyl- und alkenylsulfonylharnstoffe, verfahren zu ihrer herstellung und ihre verwendung als herbizide oder pflanzenwachstumsregulatoren
DE4000503A1 (de) * 1990-01-10 1991-07-11 Hoechst Ag Pyridylsulfonylharnstoffe als herbizide und pflanzenwachstumsregulatoren
JPH04234850A (ja) * 1990-02-20 1992-08-24 Ishihara Sangyo Kaisha Ltd 置換ピリジンスルホンアミド系化合物及びそれらを含有する除草剤

Also Published As

Publication number Publication date
IL101552A (en) 1995-10-31
EP0508348B1 (de) 1997-07-09
US5284945A (en) 1994-02-08
JPH05117269A (ja) 1993-05-14
DE59208670D1 (de) 1997-08-14
HU9201237D0 (en) 1992-07-28
CA2065802A1 (en) 1992-10-12
IL101552A0 (en) 1992-12-30
HUT61010A (en) 1992-11-30
HU210517B (en) 1995-04-28
AU646941B2 (en) 1994-03-10
EP0508348A1 (de) 1992-10-14
AU1482392A (en) 1992-10-15
US5235050A (en) 1993-08-10

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