BR8907766A - Processo para a interconversao de duas formas cristalinas distintas de uma piridina sulfonamida herbicida - Google Patents

Processo para a interconversao de duas formas cristalinas distintas de uma piridina sulfonamida herbicida

Info

Publication number
BR8907766A
BR8907766A BR898907766A BR8907766A BR8907766A BR 8907766 A BR8907766 A BR 8907766A BR 898907766 A BR898907766 A BR 898907766A BR 8907766 A BR8907766 A BR 8907766A BR 8907766 A BR8907766 A BR 8907766A
Authority
BR
Brazil
Prior art keywords
interconversion
pyridine
sulphonamide
herbicide
crystalline forms
Prior art date
Application number
BR898907766A
Other languages
English (en)
Inventor
Ngoc Le-Si
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of BR8907766A publication Critical patent/BR8907766A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D521/00—Heterocyclic compounds containing unspecified hetero rings
    • 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
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof

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)
  • Pyridine Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
BR898907766A 1988-11-21 1989-11-17 Processo para a interconversao de duas formas cristalinas distintas de uma piridina sulfonamida herbicida BR8907766A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US27446388A 1988-11-21 1988-11-21
PCT/US1989/005052 WO1990005728A1 (en) 1988-11-21 1989-11-17 Process for the interconversion of two separate crystal forms of a herbicidal pyridine sulfonamide

Publications (1)

Publication Number Publication Date
BR8907766A true BR8907766A (pt) 1991-08-27

Family

ID=23048300

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898907766A BR8907766A (pt) 1988-11-21 1989-11-17 Processo para a interconversao de duas formas cristalinas distintas de uma piridina sulfonamida herbicida

Country Status (9)

Country Link
EP (1) EP0444101B1 (pt)
JP (2) JP2986207B2 (pt)
AT (1) ATE143015T1 (pt)
AU (1) AU633033B2 (pt)
BR (1) BR8907766A (pt)
CA (1) CA2003498A1 (pt)
DE (1) DE68927231T2 (pt)
ES (1) ES2092999T3 (pt)
WO (1) WO1990005728A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102993176A (zh) * 2012-11-02 2013-03-27 安徽丰乐农化有限责任公司 一种烟嘧磺隆的合成新工艺
CN108299392B (zh) * 2017-12-01 2020-08-11 天津大学 一种烟嘧磺隆晶型及其制备方法
CN107954984B (zh) * 2017-12-01 2020-10-13 天津大学 烟嘧磺隆的一种晶型的晶体及其制备方法
CN108947965B (zh) * 2018-07-03 2021-07-27 天津大学 一种烟嘧磺隆n,n-二甲基甲酰胺溶剂化合物晶体及其制备方法
CN110330480A (zh) * 2019-07-30 2019-10-15 淄博新农基作物科学有限公司 一种烟嘧磺隆结晶水合物及其制备方法和应用
CN113387928B (zh) * 2021-06-15 2022-06-24 淄博新农基作物科学有限公司 利用副产物苯酚循环生产烟嘧磺隆原药的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8430455D0 (en) * 1984-12-03 1985-01-09 Fujisawa Pharmaceutical Co Fr-900506 substance
IN164880B (pt) * 1986-01-30 1989-06-24 Ishihara Sangyo Kaisha
US4789393A (en) * 1986-03-07 1988-12-06 E. I. Du Pont De Nemours And Company Herbicidal pyridine sulfonamides
CA1301761C (en) * 1987-07-10 1992-05-26 Takahiro Haga Mercapto-substituted pyridine compounds and process for preparing the same

Also Published As

Publication number Publication date
AU633033B2 (en) 1993-01-21
EP0444101B1 (en) 1996-09-18
DE68927231T2 (de) 1997-03-27
ATE143015T1 (de) 1996-10-15
ES2092999T3 (es) 1996-12-16
DE68927231D1 (de) 1996-10-24
WO1990005728A1 (en) 1990-05-31
AU4635189A (en) 1990-06-12
CA2003498A1 (en) 1990-05-21
JP2000026461A (ja) 2000-01-25
JP3253289B2 (ja) 2002-02-04
JP2986207B2 (ja) 1999-12-06
EP0444101A1 (en) 1991-09-04
JPH04503207A (ja) 1992-06-11

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Legal Events

Date Code Title Description
EG Technical examination (opinion): publication of technical examination (opinion)
FC Decision: refusal
CKFC Appeal: appeal against refusal
FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 26/06/2011