PL422886A1 - Phenoxy carboxylates with 1-dodecyl-3-carbamoylpyridinium cation, methods for obtaining them and application as herbicides - Google Patents

Phenoxy carboxylates with 1-dodecyl-3-carbamoylpyridinium cation, methods for obtaining them and application as herbicides

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Publication number
PL422886A1
PL422886A1 PL422886A PL42288617A PL422886A1 PL 422886 A1 PL422886 A1 PL 422886A1 PL 422886 A PL422886 A PL 422886A PL 42288617 A PL42288617 A PL 42288617A PL 422886 A1 PL422886 A1 PL 422886A1
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PL
Poland
Prior art keywords
carbamoylpyridinium
dodecyl
product
herbicides
cation
Prior art date
Application number
PL422886A
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Polish (pl)
Other versions
PL233296B1 (en
Inventor
Juliusz Pernak
Michał NIEMCZAK
Agnieszka Biedziak
Karolina Hoffa
Katarzyna Marcinkowska
Tadeusz Praczyk
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Politechnika Poznańska
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Application filed by Politechnika Poznańska filed Critical Politechnika Poznańska
Priority to PL422886A priority Critical patent/PL233296B1/en
Publication of PL422886A1 publication Critical patent/PL422886A1/en
Publication of PL233296B1 publication Critical patent/PL233296B1/en

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  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Pyridine Compounds (AREA)

Abstract

Przedmiotem zgłoszenia są fenoksykarboksylany z kationem 1-dodecylo-3-karbamoilopirydyniowym, sposoby ich otrzymywania oraz zastosowanie jako herbicydy. Fenoksykarboksylany z kationem 1-dodecylo-3-karbamoilopirydyniowym, opisany jest wzorem ogólnym 1, gdzie A oznacza anion 4-chloro-2-metylofenoksyoctanowy lub 2-(2,4-dichlorofenoksy)propionianowy lub 2,4-dichlorofenoksyoctanowy o wzorze ogólnym 2, sposoby ich otrzymywania oraz zastosowanie jako herbicydy. Sposób otrzymywania przedmiotowych związków polega na tym, że czwartorzędowy halogenek 1-dodecylo-3-karbamoilopirydyniowy o wzorze ogólnym 3, poddaje się reakcji wymiany anionu z solą sodową lub potasową kwasu 4-chloro-2-metylofenoksyoctowego lub 2-(2,4-dichlorofenoksy)propionowego lub 2,4-dichlorofenoksyoctowego, w stosunku molowym czwartorzędowej soli pirydyniowej do soli kwasu od 1:0,9 do 1:1,1, korzystnie 1:1, w temperaturze 20 - 35°C, korzystnie 30°C, w środowisku wodnym lub rozpuszczalniku organicznym z grupy: metanol, etanol, izopropanol, po czym produkt reakcji wydziela się z warstwy wodnej techniką ekstrakcji dwufazowej za pomocą rozpuszczalnika organicznego z grupy: chloroform lub toluen lub dichlorometan, dalej oddziela się fazę organiczną, rozpuszczalnik usuwa, a pozostałość będącą produktem suszy się w temperaturze korzystnie 40°C albo produkt rozpuszczony w ochłodzonym do temperatury -20°C rozpuszczalniku organicznym oddziela się od nieorganicznego produktu ubocznego techniką sączenia próżniowego, następnie odparowuje rozpuszczalnik, a pozostałość będącą produktem suszy się w temperaturze korzystnie 40°C.The subject of the application are phenoxycarboxylates with a 1-dodecyl-3-carbamoylpyridinium cation, methods of their preparation and use as herbicides. Phenoxycarboxylates with a 1-dodecyl-3-carbamoylpyridinium cation are described by the general formula 1, where A is 4-chloro-2-methylphenoxyacetate or 2- (2,4-dichlorophenoxy) propionate or 2,4-dichlorophenoxyacetate with general formula 2, methods of their preparation and use as herbicides. The method of preparation of the subject compounds is that the 1-dodecyl-3-carbamoylpyridinium quaternary halide of general formula 3 is subjected to an anion exchange reaction with the sodium or potassium salt of 4-chloro-2-methylphenoxyacetic acid or 2- (2,4-dichlorophenoxy ) propionic or 2,4-dichlorophenoxyacetic acid, in a molar ratio of the quaternary pyridinium salt to the acid salt from 1: 0.9 to 1: 1.1, preferably 1: 1, at 20 - 35 ° C, preferably 30 ° C, at aqueous medium or organic solvent from the group: methanol, ethanol, isopropanol, after which the reaction product is separated from the aqueous layer by two-phase extraction technique using an organic solvent from the group: chloroform or toluene or dichloromethane, the organic phase is further separated, the solvent is removed and the residue the product being dried at a temperature of preferably 40 ° C or the product dissolved in an organic solvent cooled to -20 ° C is separated from inorganics by-product by vacuum filtration, then the solvent is evaporated and the product residue is dried at a temperature of preferably 40 ° C.

PL422886A 2017-09-18 2017-09-18 Phenoxy carboxylates with 1-dodecyl-3-carbamoylpyridinium cation, methods for obtaining them and application as herbicides PL233296B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL422886A PL233296B1 (en) 2017-09-18 2017-09-18 Phenoxy carboxylates with 1-dodecyl-3-carbamoylpyridinium cation, methods for obtaining them and application as herbicides

Applications Claiming Priority (1)

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PL422886A PL233296B1 (en) 2017-09-18 2017-09-18 Phenoxy carboxylates with 1-dodecyl-3-carbamoylpyridinium cation, methods for obtaining them and application as herbicides

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PL422886A1 true PL422886A1 (en) 2019-03-25
PL233296B1 PL233296B1 (en) 2019-09-30

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000159607A (en) * 1998-11-27 2000-06-13 Aquas Corp Agent for controlling algae and control of algae
PL344620A1 (en) * 2000-12-15 2002-06-17 Politechnika Poznanska 1-alkoxymethyl-3-y-pyridinium salts and method of obtaining them _
PL384003A1 (en) * 2007-12-10 2009-06-22 Politechnika Poznańska New ionic pairs containing penicilin anion and 1-alkyl-3-carbamoilopyridine cation and methods of obtaining it
PL402385A1 (en) * 2013-01-08 2014-07-21 Przedsiębiorstwo Produkcyjno-Consultingowe Adop Spółka Z Ograniczoną Odpowiedzialnością Spółka Komandytowa New monofunctional poly(diallyldimethylammonium herbicidal ionic liquids), process for their preparation and use as herbicides

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000159607A (en) * 1998-11-27 2000-06-13 Aquas Corp Agent for controlling algae and control of algae
PL344620A1 (en) * 2000-12-15 2002-06-17 Politechnika Poznanska 1-alkoxymethyl-3-y-pyridinium salts and method of obtaining them _
PL384003A1 (en) * 2007-12-10 2009-06-22 Politechnika Poznańska New ionic pairs containing penicilin anion and 1-alkyl-3-carbamoilopyridine cation and methods of obtaining it
PL402385A1 (en) * 2013-01-08 2014-07-21 Przedsiębiorstwo Produkcyjno-Consultingowe Adop Spółka Z Ograniczoną Odpowiedzialnością Spółka Komandytowa New monofunctional poly(diallyldimethylammonium herbicidal ionic liquids), process for their preparation and use as herbicides

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JULIUSZ PERNAK ET AL., 2,4-D BASED HERBICIDALIONIC LIQUIDS, TETRAHEDRON 68, 2012 *
MICHAŁ NIEMCZAK ET AL., HERBICYDOWE CIECZE JONOWE Z ANIONEM 2-(2,4-DICHLOROFENOKSY), CHEMIK, 2016 *

Also Published As

Publication number Publication date
PL233296B1 (en) 2019-09-30

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