Abstract: This invention relates to a method for preparing a cyclic anhydride such as succinic anhydride and methyl succinic anhydride from an unsaturated carboxylic acid such as acrylic acid or crotonic acid. This method can also be used in the manufacture of food additives, plasticisers, polymers of interest, in particular polyurethanes and elastanes, resins, coatings and pharmaceutical products.

Abstract: The present invention relates to a method for preparing cyclic anhydride, in particular succinic anhydride and methylsuccinic anhydride from a ?-lactone, in particular ?-propiolactone and ?-butyrolactone, respectively, in the presence of carbon monoxide, catalyzed by dicobalt octacarbonyl [Co2(CO)8], in an organic solvent. The invention also relates to the use of this method in the manufacture of food additives, plasticizers, polymers of interest in particular polyesters, polyurethanes and elastanes, resins, coatings, pharmaceutical products.

Abstract: The present invention relates to a method for preparing organic compounds of formula (I) by reaction between a silylated formiate of formula (II) and an organic compound in the presence of a catalyst and optionally of an additive. The invention also relates to use of the method for preparing organic compounds of formula (I) for the preparation of reagents for fine chemistry and for heavy chemistry, as well as in the production of vitamins, pharmaceutical products, adhesives, acrylic fibres, synthetic leathers, and pesticides.

Abstract: The present invention relates to a method for depolymerising oxygenated polymer materials, in particular by nucleophilic catalysis and to the use of said method in the recycling of plastic materials and the preparation of aromatic and aliphatic compounds that can be used as fuel, synthesis intermediates, raw materials in the construction sector, and in the petrochemical, electrical, electronic, textile, aeronautical, pharmaceutical, cosmetic and agrochemical industry. The present invention also relates to a method for manufacturing fuels, electronic components, plastic polymers, rubber, medicines, vitamins, cosmetics, perfumes, food products, synthetic yarns and fibres, synthetic leathers, glues, pesticides, fertilisers comprising (i) a step of depolymerisation of oxygenated polymer materials according to the method of the invention and optionally (ii) a step of hydrolysis, and optionally (iii) a step of functionalisation and/or defunctionalisation.

Abstract: A method is for preparing acrylic acid from ?-propiolactone and for using ?-propiolactone. The process is based on a specific reactivity of ?-propiolactone whereby acrylic acid is formed under operating conditions that are mild, especially in terms of temperature.

Abstract: The present invention concerns a method of production for carbon monoxide using a derivative of formic acid, in particular an alkyl formate. It also concerns a method chosen from among, the method of production of methanol, the method of production of acetic acid (Monsanto and Cativa methods), the method of hydroformylation of olefins (oxo and aldox method, the method of production of hydrocarbons (Fischer-Tropsch method), or the method of carbonylation of nickel (Mond method), comprising a step of production of carbon monoxide using an alkyl formate of formula (I) by the method according to the invention. It further concerns a “CO pump” or “CO liquid storage” method comprising a step of production of carbon monoxide using an alkyl formate of formula (I) according to the method of the invention.

Abstract: The present invention relates to a method for preparing organic compounds of formula (I) by reaction between a silylated formiate of formula (II) and an organic compound in the presence of a catalyst and optionally of an additive. The invention also relates to use of the method for preparing organic compounds of formula (I) for the preparation of reagents for fine chemistry and for heavy chemistry, as well as in the production of vitamins, pharmaceutical products, adhesives, acrylic fibres, synthetic leathers, and pesticides.

Abstract: The present invention relates to a method for preparing alkylamines using carbon monoxide and the use of this method in the manufacturing of vitamins, pharmaceutical products, adhesives, acrylic fibres and synthetic leathers, pesticides, surfactants, detergents and fertilisers. It also relates to a method for manufacturing vitamins, pharmaceutical products, adhesives, acrylic fibres, synthetic leathers, pesticides, surfactants, detergents and fertilisers, comprising a step of preparing alkylamines by the method according to the invention. The present invention further relates to a method for preparing marked alkylamines and uses thereof.

Abstract: The present invention relates to a method for depolymerising oxygenated polymer materials, in particular by nucleophilic catalysis and to the use of said method in the recycling of plastic materials and the preparation of aromatic and aliphatic compounds that can be used as fuel, synthesis intermediates, raw materials in the construction sector, and in the petrochemical, electrical, electronic, textile, aeronautical, pharmaceutical, cosmetic and agrochemical industry. The present invention also relates to a method for manufacturing fuels, electronic components, plastic polymers, rubber, medicines, vitamins, cosmetics, perfumes, food products, synthetic yarns and fibres, synthetic leathers, glues, pesticides, fertilisers comprising (i) a step of depolymerisation of oxygenated polymer materials according to the method of the invention and optionally (ii) a step of hydrolysis, and optionally (iii) a step of functionalisation and/or defunctionalisation.

Abstract: The present invention concerns a method of production for carbon monoxide using a derivative of formic acid, in particular an alkyl formate. It also concerns a method chosen from among, the method of production of methanol, the method of production of acetic acid (Monsanto and Cativa methods), the method of hydroformylation of olefins (oxo and aldox method, the method of production of hydrocarbons (Fischer-Tropsch method), or the method of carbonylation of nickel (Mond method), comprising a step of production of carbon monoxide using an alkyl formate of formula (I) by the method according to the invention. It further concerns a “CO pump” or “CO liquid storage” method comprising a step of production of carbon monoxide using an alkyl formate of formula (I) according to the method of the invention.

Abstract: A process for the synthesis of a carbon labeled organic compound containing a carbon labeled carboxyl group is described. A method of using carbon labeled organic compounds containing a carbon labeled carboxyl group according to the present disclosure; a process for manufacturing labeled pharmaceuticals and agrochemicals comprising synthesis of carbon labeled organic compounds containing a carbon labeled carboxyl group according to the present disclosure; and a process for producing tracers comprising synthesis of carbon labeled organic compounds containing a carbon labeled carboxyl group according to the present disclosure are also described.

Abstract: A method of depolymerizing lignin and to the use of this method in the production of fuels, electronic components, plastic polymers, rubber, medicines, vitamins, cosmetic products, perfumes, foodstuffs, synthetic threads and fibers, synthetic leathers, adhesives, pesticides and fertilizers is provided. It also relates to a method of producing fuels, electronic components, plastic polymers, rubber, medicines, vitamins, cosmetic products, perfumes, foodstuffs, synthetic threads and fibers, synthetic leathers, adhesives, pesticides and fertilizers, including a step of depolymerizing lignin using the method according to the invention.

Abstract: The present invention relates to a method for reducing unsaturated organic compounds chosen from the group formed by the aldehydes, the ketones, the imines, the carboxylic acids, the amides, and the esters with a boron formate having the formula (I) in the presence of a solvent and optionally a base. The invention also relates to the use of the method for reducing unsaturated organic compounds chosen from the group formed by the aldehydes, the ketones, the imines, the carboxylic acids, the amides, and the esters according to the invention in the preparation of methanol, methylated amines, formaldehyde and alcohols; for the preparation of reactants for Suzuki coupling reactions; and in the manufacturing of vitamins, pharmaceutical products, glues, acrylic fibers, synthetic leather, pesticides.

Abstract: The present invention relates to a method for preparing alkylamines using carbon monoxide and the use of this method in the manufacturing of vitamins, pharmaceutical products, adhesives, acrylic fibres and synthetic leathers, pesticides, surfactants, detergents and fertilisers. It also relates to a method for manufacturing vitamins, pharmaceutical products, adhesives, acrylic fibres, synthetic leathers, pesticides, surfactants, detergents and fertilisers, comprising a step of preparing alkylamines by the method according to the invention. The present invention further relates to a method for preparing marked alkylamines and uses thereof.

Abstract: The present invention concerns a method for depolymerizing oxygenated polymer materials and the use of said method in the recycling of plastic materials and the preparation of aromatic compounds that can be used as fuel, synthesis intermediates and raw materials in the construction sectors and in the petrochemical, electrical, electronic, textile, aeronautical, pharmaceutical, cosmetics and agrochemical industries. The present invention also concerns the use of aromatic compounds obtained by the method for depolymerizing oxygenated polymer materials according to the invention, in the production of fuels, electronic components, plastic polymers, rubber, drugs, vitamins, cosmetic products, perfumes, food products, synthetic threads and fibers, synthetic leathers, glues, pesticides and fertilizers.

Abstract: A one pot single step process is described for the synthesis of a compound, including a labeled compound, containing a sulfonyl functional group comprising the step of mixing together a silane, an SO2 source, an electrophilic compound, an activating compound and optionally a metal catalyst. A process for producing tracers from a labeled sulfonyl containing compound prepared by the described process is also included.

Abstract: The present invention relates to a method for reducing unsaturated organic compounds chosen from the group formed by the aldehydes, the ketones, the imines, the carboxylic acids, the amides, and the esters with a boron formate having the formula (I) in the presence of a solvent and optionally a base. The invention also relates to the use of the method for reducing unsaturated organic compounds chosen from the group formed by the aldehydes, the ketones, the imines, the carboxylic acids, the amides, and the esters according to the invention in the preparation of methanol, methylated amines, formaldehyde and alcohols; for the preparation of reactants for Suzuki coupling reactions; and in the manufacturing of vitamins, pharmaceutical products, glues, acrylic fibres, synthetic leather, pesticides.

Abstract: The present disclosure relates to a method for preparing methoxyboranes by dismutation of formic acid or at least one of the derivatives thereof or a mixture of formic acid and at least one of the derivatives thereof, in the presence of an organoborane, and optionally an organic or inorganic base.

Abstract: The invention relates to a method of preparing monocyclic aromatic compounds from lignin and to the use of the method and/or the aromatic compounds obtained by the method according to the invention in the production of fuels, electronic components, plastic polymers, rubber, medicines, vitamins, cosmetic products, perfumes, foodstuffs, synthetic threads and fibers, synthetic leathers, adhesives, pesticides and fertilizers. The invention also relates to a method of producing fuels, electronic components, plastic polymers, rubber, medicines, vitamins, cosmetic products, perfumes, foodstuffs, synthetic threads and fibers, synthetic leathers, adhesives, pesticides and fertilizers, including a step of preparing aromatic compounds from lignin using the method according to the invention.

Abstract: A method for preparing oxyborane compounds of formula (I): using carbon dioxide, and the use of the oxyborane compounds obtained in this way for preparing methane derivatives, in particular oxygenated, halogenated or amino derivatives of methane. The methane derivatives obtained in this way can then be used in the production of vitamins, pharmaceutical products, glues, acrylic fibers and synthetic leathers, pesticides, and fertilizers, for example. Also provided is a method for producing vitamins, pharmaceutical products, glues, acrylic fibers, synthetic leathers, pesticides, and fertilizers, for example, including a step of preparing methane derivatives, in particular oxygenated, halogenated or amino derivatives of methane, from oxyborane compounds obtained by the method according to the invention. Further provided is a method of preparing labelled oxyborane compounds and the use of same.