EP4073049A4 - Novel crystalline forms of flufenacet, methods for their preparation and use of the same - Google Patents

Novel crystalline forms of flufenacet, methods for their preparation and use of the same

Info

Publication number
EP4073049A4
EP4073049A4 EP21731371.7A EP21731371A EP4073049A4 EP 4073049 A4 EP4073049 A4 EP 4073049A4 EP 21731371 A EP21731371 A EP 21731371A EP 4073049 A4 EP4073049 A4 EP 4073049A4
Authority
EP
European Patent Office
Prior art keywords
flufenacet
preparation
methods
same
crystalline forms
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.)
Pending
Application number
EP21731371.7A
Other languages
German (de)
French (fr)
Other versions
EP4073049A1 (en
Inventor
James Timothy Bristow
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.)
Jiangsu Rotam Chemical Co Ltd
Original Assignee
Jiangsu Rotam Chemical 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 Jiangsu Rotam Chemical Co Ltd filed Critical Jiangsu Rotam Chemical Co Ltd
Publication of EP4073049A1 publication Critical patent/EP4073049A1/en
Publication of EP4073049A4 publication Critical patent/EP4073049A4/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
    • C07D285/01—Five-membered rings
    • C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
    • C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
    • C07D285/12—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
    • C07D285/125—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical
    • C07D285/13—Oxygen atoms
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/82—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with three ring hetero atoms
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P13/00—Herbicides; Algicides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
EP21731371.7A 2019-12-13 2021-01-20 Novel crystalline forms of flufenacet, methods for their preparation and use of the same Pending EP4073049A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1918401.9A GB2592888A (en) 2019-12-13 2019-12-13 Novel crystalline forms of Flufenacet, methods for their preparation and use of the same
PCT/CN2021/072800 WO2021115494A1 (en) 2019-12-13 2021-01-20 Novel crystalline forms of flufenacet, methods for their preparation and use of the same

Publications (2)

Publication Number Publication Date
EP4073049A1 EP4073049A1 (en) 2022-10-19
EP4073049A4 true EP4073049A4 (en) 2024-01-03

Family

ID=69186830

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21731371.7A Pending EP4073049A4 (en) 2019-12-13 2021-01-20 Novel crystalline forms of flufenacet, methods for their preparation and use of the same

Country Status (3)

Country Link
EP (1) EP4073049A4 (en)
GB (1) GB2592888A (en)
WO (1) WO2021115494A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2589919A (en) * 2019-12-13 2021-06-16 Rotam Agrochem Int Co Ltd Novel crystalline forms of flufenacet, methods for their preparation and use of the same
CN113575577A (en) * 2021-08-17 2021-11-02 京博农化科技有限公司 Auxiliary agent combination for preparing suspending agent, flufenacet water suspending agent and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4968342A (en) * 1988-06-27 1990-11-06 Bayer Aktiengesellschaft Herbicidal N-isopropylheteroaryloxyacetanilides
WO2021115493A2 (en) * 2019-12-13 2021-06-17 Jiangsu Rotam Chemistry Co., Ltd Novel crystalline forms of flufenacet, methods for their preparation and use of the same

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5792872A (en) * 1997-12-12 1998-08-11 Bayer Corporation Process for producing N-(4-fluorophenyl)-N-(1-methylethyl)-2- (5-trifluoromethyl-1,3,4-thiadiazol-2-yl)oxy!acetamide
US5852202A (en) * 1997-12-12 1998-12-22 Bayer Corporation Process for isolating N-(4-fluorophenyl)-N-(1-methylethyl)-2- (5-trifluoromethyl)-1,3,4-thiadiazol-2-yl)oxy!acetamide
US5895818A (en) * 1997-12-12 1999-04-20 Bayer Corporation Process for making N-(4-fluorophenyl)-N-(1-methylethyl)-2- (5-trifuloromethyl)-1,3,4-thiadiazol-2-yl)oxy!acetamide using an aprotic, aromatic solvent
DK201300088U1 (en) * 2013-05-31 2013-07-12 Andersen Tine A product with useful properties
CN103664824A (en) * 2013-11-19 2014-03-26 泸州东方农化有限公司 Preparation method of thiadiazole carboxamide compounds
DK201300188U1 (en) * 2013-12-03 2013-12-13 Refsgaard Anne Marie Viktoria Chemical compound with useful properties
CN105646397A (en) * 2014-11-27 2016-06-08 孙智华 Preparation method of flufenacet
EP3415506A1 (en) * 2017-06-13 2018-12-19 Solvay Sa Process for the manufacture of haloalkyl substituted thiadiazole compounds
EP3415507A1 (en) * 2017-06-13 2018-12-19 Solvay Sa Process for the manufacture of aryl-thiadiazole-acetamide compounds

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4968342A (en) * 1988-06-27 1990-11-06 Bayer Aktiengesellschaft Herbicidal N-isopropylheteroaryloxyacetanilides
WO2021115493A2 (en) * 2019-12-13 2021-06-17 Jiangsu Rotam Chemistry Co., Ltd Novel crystalline forms of flufenacet, methods for their preparation and use of the same

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
QING YE ET AL: "Synthesis and Herbicidal Activity of N-Aryl-2-heteroaryloxy-N-isopropyl acetamide", ASIAN JOURNAL OF CHEMISTRY, vol. 25, no. 12, 2013, IN, pages 6931 - 6934, XP055410265, ISSN: 0970-7077, DOI: 10.14233/ajchem.2013.15239 *
See also references of WO2021115494A1 *

Also Published As

Publication number Publication date
GB201918401D0 (en) 2020-01-29
GB2592888A (en) 2021-09-15
WO2021115494A1 (en) 2021-06-17
EP4073049A1 (en) 2022-10-19

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Ipc: C07D 285/13 20060101AFI20231128BHEP