BR112018072613A2 - processo para preparação de ácido 3,6-dicloro-2-metoxibenzóico (dicamba) - Google Patents
processo para preparação de ácido 3,6-dicloro-2-metoxibenzóico (dicamba)Info
- Publication number
- BR112018072613A2 BR112018072613A2 BR112018072613-3A BR112018072613A BR112018072613A2 BR 112018072613 A2 BR112018072613 A2 BR 112018072613A2 BR 112018072613 A BR112018072613 A BR 112018072613A BR 112018072613 A2 BR112018072613 A2 BR 112018072613A2
- Authority
- BR
- Brazil
- Prior art keywords
- dicamba
- dichloro
- methoxybenzoic acid
- preparing
- purity
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
-
- 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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/10—Aromatic or araliphatic carboxylic acids, or thio analogues thereof; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C245/00—Compounds containing chains of at least two nitrogen atoms with at least one nitrogen-to-nitrogen multiple bond
- C07C245/20—Diazonium compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/01—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis
- C07C37/045—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis by substitution of a group bound to the ring by nitrogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/64—Preparation of O-metal compounds with O-metal group bound to a carbon atom belonging to a six-membered aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
- C07C37/74—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by distillation
- C07C37/78—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by distillation by azeotropic distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/15—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction of organic compounds with carbon dioxide, e.g. Kolbe-Schmitt synthesis
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C59/40—Unsaturated compounds
- C07C59/58—Unsaturated compounds containing ether groups, groups, groups, or groups
- C07C59/64—Unsaturated compounds containing ether groups, groups, groups, or groups containing six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/31—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by introduction of functional groups containing oxygen only in singly bound form
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plant Pathology (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
no processo da presente divulgação o ácido 3,6-dicloro-2-metoxibenzóico (dicamba) é preparado a partir de 2,5-dicloroanilina em pureza elevada e rendimento elevado. o dicamba é obtido com pureza superior a 98,5%.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN201621015588 | 2016-05-04 | ||
IN201621015588 | 2016-05-04 | ||
PCT/IB2017/052536 WO2017191554A1 (en) | 2016-05-04 | 2017-05-02 | Process for preparation of 3,6-dichloro-2-methoxybenzoic acid (dicamba) |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112018072613A2 true BR112018072613A2 (pt) | 2019-02-19 |
Family
ID=60202821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112018072613-3A BR112018072613A2 (pt) | 2016-05-04 | 2017-05-02 | processo para preparação de ácido 3,6-dicloro-2-metoxibenzóico (dicamba) |
Country Status (5)
Country | Link |
---|---|
US (1) | US10815180B2 (pt) |
EP (1) | EP3452439A4 (pt) |
AU (2) | AU2017260752B2 (pt) |
BR (1) | BR112018072613A2 (pt) |
WO (1) | WO2017191554A1 (pt) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107827735B (zh) * | 2017-11-23 | 2021-07-30 | 江苏联化科技有限公司 | 一种2-羟基-3,6-二氯苯甲酸的合成方法 |
CN109134232B (zh) * | 2018-10-22 | 2021-07-27 | 江苏长青农化股份有限公司 | 一种麦草畏的制备方法 |
CN109180439A (zh) * | 2018-10-22 | 2019-01-11 | 江苏长青农化股份有限公司 | 一种麦草畏的合成方法 |
CN109796331A (zh) * | 2019-02-18 | 2019-05-24 | 甘肃省化工研究院有限责任公司 | 一种用单一溶剂制备3,5-二叔丁基-4-羟基苯甲酸的方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3013054A (en) | 1958-08-04 | 1961-12-12 | Velsicol Chemical Corp | 2-methoxy-3, 6-dichlorobenzoates |
US3345157A (en) * | 1966-09-12 | 1967-10-03 | Velsicol Chemical Corp | Herbicidal composition and method |
BR112016014006A2 (pt) * | 2013-12-18 | 2017-08-08 | Monsanto Technology Llc | Processos para a diazotização de 2,5-dicloroanilinas |
-
2017
- 2017-05-02 EP EP17792579.9A patent/EP3452439A4/en active Pending
- 2017-05-02 US US16/098,855 patent/US10815180B2/en active Active
- 2017-05-02 AU AU2017260752A patent/AU2017260752B2/en active Active
- 2017-05-02 BR BR112018072613-3A patent/BR112018072613A2/pt not_active Application Discontinuation
- 2017-05-02 WO PCT/IB2017/052536 patent/WO2017191554A1/en unknown
-
2021
- 2021-08-09 AU AU2021212166A patent/AU2021212166A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
AU2021212166A1 (en) | 2021-08-26 |
EP3452439A4 (en) | 2020-01-08 |
WO2017191554A1 (en) | 2017-11-09 |
EP3452439A1 (en) | 2019-03-13 |
AU2017260752B2 (en) | 2021-08-26 |
US20190119189A1 (en) | 2019-04-25 |
AU2017260752A1 (en) | 2018-12-13 |
US10815180B2 (en) | 2020-10-27 |
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B06W | Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette] | ||
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B09B | Patent application refused [chapter 9.2 patent gazette] | ||
B12B | Appeal against refusal [chapter 12.2 patent gazette] |