EP4073050A4 - Nouvelles formes cristallines de flufénacet, son procédé de préparation et son utilisation - Google Patents

Nouvelles formes cristallines de flufénacet, son procédé de préparation et son utilisation Download PDF

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Publication number
EP4073050A4
EP4073050A4 EP21731373.3A EP21731373A EP4073050A4 EP 4073050 A4 EP4073050 A4 EP 4073050A4 EP 21731373 A EP21731373 A EP 21731373A EP 4073050 A4 EP4073050 A4 EP 4073050A4
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
EP21731373.3A
Other languages
German (de)
English (en)
Other versions
EP4073050A2 (fr
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 EP4073050A2 publication Critical patent/EP4073050A2/fr
Publication of EP4073050A4 publication Critical patent/EP4073050A4/fr
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

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
EP21731373.3A 2019-12-13 2021-01-20 Nouvelles formes cristallines de flufénacet, son procédé de préparation et son utilisation Pending EP4073050A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1918391.2A GB2589919A (en) 2019-12-13 2019-12-13 Novel crystalline forms of flufenacet, methods for their preparation and use of the same
PCT/CN2021/072799 WO2021115493A2 (fr) 2019-12-13 2021-01-20 Nouvelles formes cristallines de flufénacet, son procédé de préparation et son utilisation

Publications (2)

Publication Number Publication Date
EP4073050A2 EP4073050A2 (fr) 2022-10-19
EP4073050A4 true EP4073050A4 (fr) 2024-01-03

Family

ID=69186883

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21731373.3A Pending EP4073050A4 (fr) 2019-12-13 2021-01-20 Nouvelles formes cristallines de flufénacet, son procédé de préparation et son utilisation

Country Status (3)

Country Link
EP (1) EP4073050A4 (fr)
GB (1) GB2589919A (fr)
WO (1) WO2021115493A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2592888A (en) * 2019-12-13 2021-09-15 Rotam Agrochem Int Co Ltd Novel crystalline forms of Flufenacet, methods for their preparation and use of the same

Citations (3)

* 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
EP0922701A1 (fr) * 1997-12-12 1999-06-16 Bayer Corporation Un procédé pour la préparation du N-(4-fluorophényl)-N-(1-méthyléthyl)-2-[(5-(trifluorométhyl)-1,3,4-thiadiazol-2-yl)-oxy]-acétamide
WO2021115494A1 (fr) * 2019-12-13 2021-06-17 Jiangsu Rotam Chemistry Co., Ltd Nouvelles formes cristallines de flufénacet, leurs procédés de préparation et leur utilisation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (da) * 2013-05-31 2013-07-12 Andersen Tine Et produkt med nyttige egenskaber
CN103664824A (zh) * 2013-11-19 2014-03-26 泸州东方农化有限公司 噻二唑酰胺类化合物的制备方法
DK201300188U1 (da) * 2013-12-03 2013-12-13 Refsgaard Anne Marie Viktoria Kemisk forbindelse med nyttige egenskaber
CN105646397A (zh) * 2014-11-27 2016-06-08 孙智华 一种氟噻草胺的制备方法
EP3415506A1 (fr) * 2017-06-13 2018-12-19 Solvay Sa Procédé de fabrication de composés de thiadiazole à substitution haloalkyle
EP3415507A1 (fr) * 2017-06-13 2018-12-19 Solvay Sa Procédé de fabrication de composés d'acétamides aryl-thiadiazole

Patent Citations (3)

* 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
EP0922701A1 (fr) * 1997-12-12 1999-06-16 Bayer Corporation Un procédé pour la préparation du N-(4-fluorophényl)-N-(1-méthyléthyl)-2-[(5-(trifluorométhyl)-1,3,4-thiadiazol-2-yl)-oxy]-acétamide
WO2021115494A1 (fr) * 2019-12-13 2021-06-17 Jiangsu Rotam Chemistry Co., Ltd Nouvelles formes cristallines de flufénacet, leurs procédés de préparation et leur utilisation

Non-Patent Citations (1)

* 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 *

Also Published As

Publication number Publication date
WO2021115493A3 (fr) 2021-07-15
WO2021115493A2 (fr) 2021-06-17
EP4073050A2 (fr) 2022-10-19
GB2589919A (en) 2021-06-16
GB201918391D0 (en) 2020-01-29

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Ipc: A01N 43/82 20060101ALI20231128BHEP

Ipc: C07D 285/13 20060101AFI20231128BHEP