Patents by Inventor Denis Jacoby
Denis Jacoby 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: 20230265025Abstract: The present invention relates to the field of organic synthesis and more specifically it concerns a process for preparing compound of formula (I) catalyzed by a nickel complex. The compound of formula (II) is also part of the invention.Type: ApplicationFiled: July 26, 2021Publication date: August 24, 2023Inventors: Denis JACOBY, Philippe DUPAU, Lucia BONOMO, Simone CHAPPUIS, Virginie BLANCHARD
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Patent number: 11339113Abstract: Described herein is a process for the preparation of a mixture of compounds of formula having a weight ratio of the cis-diastereomers to trans-diastereoisomers higher than 1:1, where R1 represents a C1-8 alkyl group, a C2-8 alkenyl group or a C2-8 alkynyl group, each optionally substituted with one or two of a C1-4 alkyl alkoxy ether group and/or a C1-4 alkyl carboxylester group and R2 represents a C1-6 alkyl, a C2-6 alkenyl or a C2-6 alkynyl group, each optionally substituted with a C1-4 alkyl alkoxy ether group, a carboxylic acid group or a C1-4 alkyl carboxylester group and compounds suitable in the process.Type: GrantFiled: December 16, 2019Date of Patent: May 24, 2022Assignee: Firmenich SAInventors: Denis Jacoby, Lucia Bonomo
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Publication number: 20220056042Abstract: Described herein is a process for preparing a compound of formula (I) starting from a compound of formula (II) where the process is catalyzed by a metal complex.Type: ApplicationFiled: April 9, 2020Publication date: February 24, 2022Inventors: Denis Jacoby, Catherine Gandara
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Publication number: 20210323904Abstract: Described herein is a process for the preparation of a mixture of compounds of formula having a weight ratio of the cis-diastereomers to trans-diastereoisomers higher than 1:1, where R1 represents a C1-8 alkyl group, a C2-8 alkenyl group or a C2-8 alkynyl group, each optionally substituted with one or two of a C1-4 alkyl alkoxy ether group and/or a C1-4 alkyl carboxylester group and R2 represents a C1-6 alkyl, a C2-6 alkenyl or a C2-6 alkynyl group, each optionally substituted with a C1-4 alkyl alkoxy ether group, a carboxylic acid group or a C1-4 alkyl carboxylester group and compounds suitable in the process.Type: ApplicationFiled: December 16, 2019Publication date: October 21, 2021Inventors: Denis Jacoby, Lucia Bonomo
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Patent number: 10899694Abstract: The present invention relates to the field of organic synthesis and more specifically it concerns a process for the dehydrogenation of compound of formula (I) catalyzed by palladium (Pd0) in elemental metallic form.Type: GrantFiled: June 26, 2017Date of Patent: January 26, 2021Assignee: Firmenich SAInventors: Denis Jacoby, Jean-Jacques Riedhauser, Philippe Miranda, Harvey Randall, Fabrice Keller
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Patent number: 10858370Abstract: Described herein is a process for preparing a compound of formula (I) starting from a compound of formula (II), where the process is catalyzed by a Ruthenium complex.Type: GrantFiled: October 8, 2018Date of Patent: December 8, 2020Assignee: Firmenich SAInventors: Denis Jacoby, Peter Fankhauser
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Publication number: 20200255443Abstract: Described herein is a process for preparing a compound of formula (I) starting from a compound of formula (II), where the process is catalyzed by a Ruthenium complex.Type: ApplicationFiled: October 8, 2018Publication date: August 13, 2020Inventors: Denis Jacoby, Peter Fankhauser
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Publication number: 20190345088Abstract: The present invention relates to the field of organic synthesis and more specifically it concerns a process for the dehydrogenation of compound of formula (I) catalyzed by palladium (Pd0) in elemental metallic form.Type: ApplicationFiled: June 26, 2017Publication date: November 14, 2019Applicant: Firmenich SAInventors: Denis JACOBY, Jean-Jacques RIEDHAUSER, Philippe MIRANDA, Harvey RANDALL, Fabrice KELLER
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Patent number: 8314271Abstract: A method for producing certain 2-alkoxy-ethanol derivatives by depolymerising oligomeric or polymeric polyglycol derivatives in the presence of alcoholate or 1,3-diketonate derivatives of zirconium, titanium, aluminum or molybdenum.Type: GrantFiled: September 8, 2008Date of Patent: November 20, 2012Assignee: Firmenich SAInventor: Denis Jacoby
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Publication number: 20100197973Abstract: A method for producing certain 2-alkoxy-ethanol derivatives by depolymerising oligomeric or polymeric polyglycol derivatives in the presence of alcoholate or 1,3-diketonate derivatives of zirconium, titanium, aluminium or molybdenum.Type: ApplicationFiled: September 8, 2008Publication date: August 5, 2010Applicant: Firmenich SAInventor: Denis Jacoby
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Patent number: 7279605Abstract: The invention relates to a process for the preparation, in a single step, of substituted 2-cyclopenten-1-ones by reacting a substituted enone with an aldehyde in the presence of a catalytic system. The catalytic system consists of a metal complex, such as a Ti(Cl)3(alkoxy), and a co-ingredient, such as a carboxylic acid anhydride or an anhydrous salt.Type: GrantFiled: April 19, 2007Date of Patent: October 9, 2007Assignee: Firmenich SAInventors: Denis Jacoby, Fabrice Keller
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Publication number: 20070197833Abstract: The invention relates to a process for the preparation, in a single step, of substituted 2-cyclopenten-1-ones by reacting a substituted enone with an aldehyde in the presence of a catalytic system. The catalytic system consists of a metal complex, such as a Ti(Cl)3(alkoxy), and a co-ingredient, such as a carboxylic acid anhydride or an anhydrous salt.Type: ApplicationFiled: April 19, 2007Publication date: August 23, 2007Inventors: Denis Jacoby, Fabrice Keller
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Patent number: 7250536Abstract: The present invention relates to a process for the carbon-carbon double bond isomerisation of a 2-alkyl-cyclohex-3-enyl alkyl or alkenyl ketone into a mixture comprising the corresponding 2-alkyl-cyclohex-2-enyl ketones and the corresponding 2-alkylene-cyclohexyl ketones, using as catalyst a ruthenium complex obtainable by the reaction of an appropriate ruthenium organometallic precursor and an acid.Type: GrantFiled: May 22, 2006Date of Patent: July 31, 2007Assignee: Firmenich SAInventors: Denis Jacoby, Bessaa Neffah, Christian Chapuis
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Publication number: 20060211889Abstract: The present invention relates to a process for the carbon-carbon double bond isomerisation of a 2-alkyl-cyclohex-3-enyl alkyl or alkenyl ketone into a mixture comprising the corresponding 2-alkyl-cyclohex-2-enyl ketones and the corresponding 2-alkylene-cyclohexyl ketones, using as catalyst a ruthenium complex obtainable by the reaction of an appropriate ruthenium organometallic precursor and an acid.Type: ApplicationFiled: May 22, 2006Publication date: September 21, 2006Inventors: Denis Jacoby, Bessaa Neffah, Christian Chapuis
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Patent number: 7091151Abstract: The invention relates to a catalytic system for use in a process for the preparation, in a single step, of enones by an aldol condensation of a ketone, such as a gem-dimethyl cyclohexylethanone or gem-dimethyl cyclohexenylethanone derivative, with an aldehyde in the presence of a novel catalytic system and a co-ingredient, such as a carboxylic acid anhydride or an anhydrous salt, and without the pre-formation of an enolate. The catalytic system is a metal complex, such as a [(Cl)n(alkoxy)4-nTi] or [(Cl)n(alkoxy)4-nZr] complex where n is 1 to 3.Type: GrantFiled: December 2, 2004Date of Patent: August 15, 2006Assignee: Firmenich SAInventor: Denis Jacoby
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Publication number: 20050080297Abstract: The invention relates to a catalytic system for use in a process for the preparation, in a single step, of enones by an aldol condensation of a ketone, such as a gem-dimethyl cyclohexylethanone or gem-dimethyl cyclohexenylethanone derivative, with an aldehyde in the presence of a novel catalytic system and a co-ingredient, such as a carboxylic acid anhydride or an anhydrous salt, and without the pre-formation of an enolate. The catalytic system is a metal complex, such as a [(Cl)n(alkoxy)4-nTi] or [(Cl)n(alkoxy)4-nZr] complex where n is 1 to 3.Type: ApplicationFiled: December 2, 2004Publication date: April 14, 2005Applicant: FIRMENICH SAInventor: Denis Jacoby
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Patent number: 6838575Abstract: The invention relates to a process for the preparation, in a single step, of enones by an aldol condensation of a ketone, such as a gem-dimethyl cyclohexylethanone or gemdimethyl cyclohexenylethanone derivative, with an aldehyde in the presence of a novel catalytic system and a co-ingredient, such as a carboxylic acid anhydride or an anhydrous salt, and without the pre-formation of an enolate. The catalytic system is a metal complex, such as a [(Cl)n(alkoxy)4-nTi] or [(Cl)n(alkoxy)4-nZr] complex where n is 1 to 3.Type: GrantFiled: October 17, 2003Date of Patent: January 4, 2005Assignee: Firmenich SAInventor: Denis Jacoby
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Publication number: 20040082818Abstract: The invention relates to a process for the preparation, in a single step, of enones by an aldol condensation of a ketone, such as a gem-dimethyl cyclohexylethanone or gemdimethyl cyclohexenylethanone derivative, with an aldehyde in the presence of a novel catalytic system and a co-ingredient, such as a carboxylic acid anhydride or an anhydrous salt, and without the pre-formation of an enolate. The catalytic system is a metal complex, such as a [(Cl)n(alkoxy)4−nTi] or [(Cl)n(alkoxy)4−nZr] complex where n is 1 to 3.Type: ApplicationFiled: October 17, 2003Publication date: April 29, 2004Inventor: Denis Jacoby
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Patent number: 6686498Abstract: The present invention relates to the field of organic synthesis and more specifically to a process for the preparation of Michael-adducts, as defined below, by reacting a &bgr;,&bgr;- or a &agr;,&bgr;-disubstituted, or a &agr;,&bgr;,&bgr;-trisubstituted, &agr;,&bgr;-unsaturated ketone (I) with a &bgr;-ketoester or a &bgr;-diketone (II) in presence of a suitable catalyst of formula M(X)n, according to scheme 1:Type: GrantFiled: February 14, 2002Date of Patent: February 3, 2004Assignee: Firmenich SAInventor: Denis Jacoby
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Publication number: 20020128504Abstract: The present invention relates to the field of organic synthesis and more specifically to a process for the preparation of Michael-adducts, as defined below, by reacting a &bgr;,&bgr;- or a &agr;,&bgr;-disubstituted, or a &agr;,&bgr;,&bgr;-trisubstituted, &agr;,&bgr;-unsaturated ketone (I) with a &bgr;-ketoester or a &bgr;-diketone (II) in presence of a suitable catalyst of formula M(X)n, according to scheme 1: 1Type: ApplicationFiled: February 14, 2002Publication date: September 12, 2002Inventor: Denis Jacoby