Patents by Inventor Denis Gribkov
Denis Gribkov has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20200392124Abstract: Compounds of formula (I) as defined herein, to processes for preparing them, to pesticidal, in particular insecticidal, acaricidal, molluscicidal and nematicidal compositions comprising them and to methods of using them to combat and control pests such as insect, acarine, mollusk and nematode pests.Type: ApplicationFiled: October 4, 2018Publication date: December 17, 2020Applicant: Syngenta Paticipations AGInventors: Aurelien BIGOT, Myriem EL QACEMI, Denis GRIBKOV, André STOLLER
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Publication number: 20200361907Abstract: Compounds of formula (I), as defined herein, to processes for preparing them, to pesticidal, in particular insecticidal, acaricidal, molluscicidal and nematicidal compositions comprising them and to methods of using them to combat and control pests such as insect, acarine, mollusc and nematode pests.Type: ApplicationFiled: August 9, 2018Publication date: November 19, 2020Applicant: SYNGENTA PARTICIPATIONS AGInventors: Denis GRIBKOV, Myriem EL QACEMI, André STOLLER, André JEANGUENAT, Aurelien BIGOT
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Publication number: 20200288713Abstract: Compounds of formula (I) as defined herein, to processes for preparing them, to pesticidal, in particular insecticidal, acaricidal, molluscicidal and nematicidal compositions comprising them and to methods of using them to combat and control pests such as insect, acarine, mollusc and nematode pests.Type: ApplicationFiled: August 9, 2018Publication date: September 17, 2020Applicant: SYNGENTA PARTICIPATIONS AGInventors: Denis GRIBKOV, Myriem EL QACEMI, André STOLLER, André JEANGUENAT, Aurelien BIGOT
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Publication number: 20200245624Abstract: Compounds of formula (I), as defined herein, to processes for preparing them, to pesticidal, in particular insecticidal, acaricidal, molluscicidal and nematicidal compositions comprising them and to methods of using them to combat and control pests such as insect, acarine, molluse and nematode pests.Type: ApplicationFiled: August 9, 2018Publication date: August 6, 2020Applicant: SYNGENTA PARTICIPATIONS AGInventors: Denis GRIBKOV, Myriem EL QACEMI, André STOLLER, André JEANGUENAT, Aurelien BIGOT
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Publication number: 20200196603Abstract: Compounds of formula (I) as defined herein, to processes for preparing them, to pesticidal, in particular insecticidal, acaricidal, molluscicidal and nematicidal compositions comprising them and to methods of using them to combat and control pests such as insect, acarine, mollusc and nematode pests.Type: ApplicationFiled: August 9, 2018Publication date: June 25, 2020Applicant: SYNGENTA PARTICIPATIONS AGInventors: Denis GRIBKOV, Myriem EL QACEMI, André STOLLER, André JEANGUENAT, Aurelien BIGOT
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Publication number: 20200128827Abstract: Compounds of formula (I), as defined herein, to processes for preparing them, to pesticidal, in particular insecticidal, acaricidal, molluscicidal and nematicidal compositions comprising them and to methods of using them to combat and control pests such as insect, acarine, mollusc and nematode pests.Type: ApplicationFiled: June 18, 2018Publication date: April 30, 2020Applicant: SYNGENTA PARTICIPATIONS AGInventors: André JEANGUENAT, Myriem EL QACEMI, André STOLLER, Aurelien BIGOT, Denis GRIBKOV
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Publication number: 20200048238Abstract: Compounds of formula (I) as defined herein, to processes for preparing them, to pesticidal, in particular insecticidal, acaricidal, molluscicidal and nematicidal compositions comprising them and to methods of using them to combat and control pests such as insect, acarine, mollusc and nematode pests.Type: ApplicationFiled: April 4, 2018Publication date: February 13, 2020Applicant: SYNGENTA PARTICIPATIONS AGInventors: Myriem EL QACEMI, Aurelien BIGOT, Andrew EDMUNDS, Julien Daniel Henri GAGNEPAIN, André JEANGUENAT, Thomas PITTERNA, André STOLLER, Davide SABBADIN, Regis Jean Georges MONDIERE, Denis GRIBKOV
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Publication number: 20200031814Abstract: Compounds of formula (I) as defined herein, to processes for preparing them, to pesticidal, in particular insecticidal, acaricidal, molluscicidal and nematicidal compositions comprising them and to methods of using them to combat and control pests such as insect, acarine, mollusc and nematode pests.Type: ApplicationFiled: April 4, 2018Publication date: January 30, 2020Applicant: SYNGENTA PARTICIPATIONS AGInventors: Myriem EL QACEMI, Aurelien BIGOT, Andrew EDMUNDS, Julien Daniel Henri GAGNEPAIN, André JEANGUENAT, Thomas PITTERNA, André STOLLER, Davide SABBADIN, Regis Jean Georges MONDIERE, Denis GRIBKOV
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Publication number: 20190322675Abstract: Compounds of formula (I), wherein the substituents are as defined in claim 1, and the agrochemically acceptable salts, stereoisomers, enantiomers, tautomers and N-oxides of those compounds, can be used as insecticides and can be prepared in a manner known per se.Type: ApplicationFiled: November 24, 2017Publication date: October 24, 2019Applicant: SYNGENTA PARTICIPATIONS AGInventors: Andrew EDMUNDS, Michel MUEHLEBACH, Pierre Joseph Marcel JUNG, Sebastian RENDLER, Vikas SIKERVAR, Girish RAWAL, Indira SEN, Régis Jean Georges MONDIERE, Tomas SMEJKAL, Sujit Kumar GHORAI, Denis GRIBKOV
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Publication number: 20190150441Abstract: Compounds of formula (I), as defined herein, to processes for preparing them, to pesticidal, in particular insecticidal, acaricidal, molluscicidal and nematicidal compositions comprising them and to methods of using them to combat and control pests such as insect, acarine, mollusc and nematode pests.Type: ApplicationFiled: February 16, 2017Publication date: May 23, 2019Applicant: SYNGENTA PARTICIPATIONS AGInventors: André Jeanguenat, Thomas Pitterna, Myriem El Qacemi, André Stoller, Régis Jean Georges Mondiere, Aurelien Bigot, Andrew Edmunds, Denis Gribkov
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Patent number: 10040745Abstract: A process for the preparation of a compound of formula (I) wherein R1 is hydrogen, fluoro or chloro; which process comprises: a) reacting a compound of formula (II) wherein R1 is hydrogen, fluoro or chloro; with a nitration agent to the compound of formula (III) wherein R1 is hydrogen, fluoro or chloro; b) reacting the compound of formula (III) with trichloroisocyanuric acid in the presence of sulfuric acid or fuming sulfuric acid to the compound of formula (IV) wherein R1 is hydrogen, fluoro or chloro; and c) reacting the compound of formula (III) with chlorine gas at a temperature from 180° C. to 250° C. to the compound of formula (I).Type: GrantFiled: October 7, 2015Date of Patent: August 7, 2018Assignee: SYNGENTA PARTICIPATIONS AGInventor: Denis Gribkov
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Patent number: 9878970Abstract: The present invention relates to a novel a process for the preparation of 9-dichloromethylene-1,2,3,4-tetrahydro-1,4-methano-naphthalen-5-ylamine which process comprises a) reacting cyclopentadiene in the presence of a radical initiator and CXCl3, wherein X is chloro or bromo, to a compound of formula I1, or aa) reacting cyclopentadiene with CXCl3, wherein X is chloro, in the presence of a metal catalyst to a compound of formula I1, wherein X is chloro, b) reacting the compound of formula I1 with a base in the presence of an appropriate solvent to the compound of formula III, c) and converting the compound of formula III in the presence of 1,2-dehydro-6-nitrobenzene to the compound of formula IV, and d) hydrogenating the compound of formula IV in the presence of a metal catalyst.Type: GrantFiled: September 27, 2017Date of Patent: January 30, 2018Assignee: Syngenta Crop Protection, LLCInventors: Denis Gribkov, Bjorn Antelmann, Fanny Bois, Harald Walter, Alain De Mesmaeker
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Publication number: 20180016211Abstract: The present invention relates to a novel a process for the preparation of 9-dichloromethylene-1,2,3,4-tetrahydro-1,4-methano-naphthalen-5-ylamine which process comprises a) reacting cyclopentadiene in the presence of a radical initiator and CXCl3, wherein X is chloro or bromo, to a compound of formula II, or aa) reacting cyclopentadiene with CXCl3, wherein X is chloro, in the presence of a metal catalyst to a compound of formula II, wherein X is chloro, b) reacting the compound of formula II with a base in the presence of an appropriate solvent to the compound of formula III, c) and converting the compound of formula III in the presence of 1,2-dehydro-6-nitrobenzene to the compound of formula IV, and d) hydrogenating the compound of formula IV in the presence of a metal catalyst.Type: ApplicationFiled: September 27, 2017Publication date: January 18, 2018Applicant: Syngenta Crop Protection, LLCInventors: Denis GRIBKOV, Bjorn ANTELMANN, Fanny BOIS, Harald WALTER, Alain DE MESMAEKER
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Patent number: 9862937Abstract: The invention relates to a process for the preparation of a compound of formula I (I), wherein R1 is hydrogen, fluoro or chloro; which process comprises a) reacting a compound of formula II (II), wherein R1 is hydrogen, fluoro or chloro; with a nitration agent to the compound of formula (III), wherein R1 is hydrogen, fluoro or chloro; and b) reacting the compound of formula III with chlorine gas at temperature from 180° C. to 250° C. to the compound of formula I.Type: GrantFiled: October 7, 2015Date of Patent: January 9, 2018Assignee: Syngenta Participations AGInventor: Denis Gribkov
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Patent number: 9796646Abstract: The present invention relates to a novel process for the preparation of 9-dichloromethylene-1,2,3,4-tetrahydro-1,4-methano-naphthalen-5-ylamine which process comprises a) reacting cyclopentadiene in the presence of a radical initiator and CXCl3, wherein X is chloro or bromo, to a compound of formula II aa) reacting cyclopentadiene with CXCl3, wherein X is chloro, in the presence of a metal catalyst to a compound of formula II wherein X is chloro, b) reacting the compound of formula II with a base in the presence of an appropriate solvent to the compound of formula III c) and converting the compound of formula III in the presence of 1,2-dehydro-6-nitrobenzene to the compound of formula IV and d) hydrogenating the compound of formula IV in the presence of a metal catalyst.Type: GrantFiled: January 23, 2015Date of Patent: October 24, 2017Assignee: Syngenta Crop Protection, LLCInventors: Denis Gribkov, Bjorn Antelmann, Fanny Giordano, Harald Walter, Alain De Mesmaeker
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Publication number: 20170218347Abstract: The invention relates to a process for the preparation of a compound of formula I (I), wherein R1 is hydrogen, fluoro or chloro; which process comprises a) reacting a compound of formula II (II), wherein R1 is hydrogen, fluoro or chloro; with a nitration agent to the compound of formula (III), wherein R1 is hydrogen, fluoro or chloro; and b) reacting the compound of formula III with chlorine gas at temperature from 180° C. to 250° C. to the compound of formula I.Type: ApplicationFiled: October 7, 2015Publication date: August 3, 2017Applicant: Syngenta Participations AGInventor: Denis GRIBKOV
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Publication number: 20170217865Abstract: A process for the preparation of a compound of formula (I) wherein R1 is hydrogen, fluoro or chloro; which process comprises: a) reacting a compound of formula (II) wherein R1 is hydrogen, fluoro or chloro; with a nitration agent to the compound of formula (III) wherein R1 is hydrogen, fluoro or chloro; b) reacting the compound of formula (III) with trichloroisocyanuric acid in the presence of sulfuric acid or fuming sulfuric acid to the compound of formula (IV) wherein R1 is hydrogen, fluoro or chloro; and c) reacting the compound of formula (III) with chlorine gas at a temperature from 180° C. to 250° C. to the compound of formula (I).Type: ApplicationFiled: October 7, 2015Publication date: August 3, 2017Applicant: Syngenta Participations AGInventor: Denis GRIBKOV
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Patent number: 9115043Abstract: The present invention relates to a novel a process for the preparation of 9-dichloromethylene-1,2,3,4-tetrahydro-1,4-methano-naphthalen-5-ylamine which process comprises a) reacting cyclopentadiene in the presence of a radical initiator and CXCI3, wherein X is chloro or bromo, to a compound of formula I1, or aa) reacting cyclopentadiene with CXCI3, wherein X is chloro, in the presence of a metal catalyst to a compound of formula I1, wherein X is chloro, b) reacting the compound of formula I1 with a base in the presence of an appropriate solvent to the compound of formula III, c) and converting the compound of formula III in the presence of 1,2-dehydro-6-nitrobenzene to the compound of formula IV, and d) hydrogenating the compound of formula IV in the presence of a metal catalyst.Type: GrantFiled: September 28, 2009Date of Patent: August 25, 2015Assignee: Syngenta Crop Protection, LLCInventors: Denis Gribkov, Bjorn Antelmann, Fanny Giordano, Harald Walter, Alain De Mesmaeker
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Publication number: 20150141712Abstract: The present invention relates to a novel a process for the preparation of 9-dichloromethylene-1,2,3,4-tetrahydro-1,4-methano-naphthalen-5-ylamine which process comprises a) reacting cyclopentadiene in the presence of a radical initiator and CXCl3, wherein X is chloro or bromo, to a compound of formula I1, or aa) reacting cyclopentadiene with CXCl3, wherein X is chloro, in the presence of a metal catalyst to a compound of formula I1, wherein X is chloro, b) reacting the compound of formula I1 with a base in the presence of an appropriate solvent to the compound of formula III, c) and converting the compound of formula III in the presence of 1,2-dehydro-6-nitrobenzene to the compound of formula IV, and d) hydrogenating the compound of formula IV in the presence of a metal catalyst.Type: ApplicationFiled: January 23, 2015Publication date: May 21, 2015Applicants: SYNGENTA PARTICIPATIONS AG, SYNGENTA CROP PROTECTION LLCInventors: Denis Gribkov, Bjorn Antelmann, Fanny Giordano, Harald Walter, Alain De Mesmaeker
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Patent number: 8519151Abstract: The invention relates to a process for the preparation of formula (I) which process comprises a) reacting a compound of formula (II), wherein X is chloro or bromo, with an organometallic species to (III), wherein X is chloro or bromo; reacting the halobenzyne with a fulvene (IV), to a compound of formula (V) wherein X is chloro or bromo; b) hydrogenating V in the presence of a suitable metal catalyst to a compound of formula (VI) wherein X is chloro or bromo; and either c1) reacting the compound of formula VI with NH3 in the presence of a catalyst comprising palladium and at least one ligand to the compound of formula (VII); and d) reacting the compound of formula VII in the presence of a base with a compound of formula (VIII), to the compound of formula I; or c2 reacting the compound of formula (VI) in the presence of a copper catalyst and a ligand with the compound of formula (VIIIa), to the compound of formula (I).Type: GrantFiled: April 14, 2011Date of Patent: August 27, 2013Assignee: Syngenta Crop Protection LLCInventors: Denis Gribkov, Remo Stohler, Thomas Vettiger, Michael Rommel