Abstract: A process for at least partially reactivating the catalytic activity of at least a partially deactivated catalyst following a reaction cycle, the catalyst having been used in a catalytic reaction process for hydrogenating an aromatic epoxide to produce a hydrogenated aliphatic epoxide; said process including contacting the at least partially deactivated catalyst with an oxygen-containing source at a temperature of less than about 100° C. and in the presence of a reactivation solvent for a pre-determined period of time sufficient to at least partially re-oxidize and reactivate the catalyst for further use; and a catalytic reaction process for hydrogenating an aromatic epoxide to produce a hydrogenated aliphatic epoxide including the above reactivating process step; and optionally including a step for washing the deactivated catalyst with a solvent prior to re-oxidizing the deactivated catalyst.

Abstract: A novel byproduct compound having the following chemical formula B: wherein R is hydrogen or CH3; a composition including an admixture of: (A) a product having the following chemical formula A: wherein R is hydrogen or CH3; and (B) the above novel byproduct compound having the chemical formula B; and a composition including a reaction product of: (a) an aromatic epoxy resin; (b) hydrogen; (c) a catalyst; and (d) a solvent; wherein the reaction product produced is a cycloaliphatic epoxy resin admixture of the combination of (i) the above product having the chemical formula A and (ii) the novel byproduct compound having the chemical formula B; wherein the above product having the chemical formula A includes at least a cis-cis isomer, a cis-trans isomer, and a trans-trans isomer; and the novel byproduct compound having the chemical formula B includes at least a cis isomer and a trans isomer.

Abstract: A process for at least partially reactivating the catalytic activity of at least a partially deactivated catalyst following a reaction cycle, the catalyst having been used in a catalytic reaction process for hydrogenating an aromatic epoxide to produce a hydrogenated aliphatic epoxide; said process including contacting the at least partially deactivated catalyst with an oxygen-containing source at a temperature of less than about 100° C. and in the presence of a reactivation solvent for a pre-determined period of time sufficient to at least partially re-oxidize and reactivate the catalyst for further use; and a catalytic reaction process for hydrogenating an aromatic epoxide to produce a hydrogenated aliphatic epoxide including the above reactivating process step; and optionally including a step for washing the deactivated catalyst with a solvent prior to re-oxidizing the deactivated catalyst.

Abstract: A novel byproduct compound having the following chemical formula B: wherein R is hydrogen or CH3; a composition including an admixture of: (A) a product having the following chemical formula A: wherein R is hydrogen or CH3; and (B) the above novel byproduct compound having the chemical formula B; and a composition including a reaction product of: (a) an aromatic epoxy resin; (b) hydrogen; (c) a catalyst; and (d) a solvent; wherein the reaction product produced is a cycloaliphatic epoxy resin admixture of the combination of (i) the above product having the chemical formula A and (ii) the novel byproduct compound having the chemical formula B; wherein the above product having the chemical formula A includes at least a cis-cis isomer, a cis-trans isomer, and a trans-trans isomer; and the novel byproduct compound having the chemical formula B includes at least a cis isomer and a trans isomer.

Abstract: A process for conversion of aliphatic bicyclic amines to aliphatic diamines including contacting one or more bicyclic amines selected from the group consisting of 3-azabicyclo[3.3.1]nonane and azabicyclo[3.3.1]non-2-ene with ammonia and hydrogen, and alcohols in the presence of heterogeneous metal based catalyst systems, a metal selected from the group consisting of Co, Ni, Ru, Fe, Cu, Re, Pd, and their oxides at a temperature from 140° C. to 200° C. and a pressure from 1540 to 1735 psig for at least one hour reactor systems; forming a product mixture comprising aliphatic diamine(s), bicyclic amine(s), ammonia, hydrogen, and alcohol(s); removing said product mixture from the reactor system; removing at least some of the ammonia, hydrogen, water, alcohols, bicyclic amines from said product mixture; thereby separating the aliphatic diamines from said product mixture.

Abstract: A process for reductive amination of aliphatic cyanoaldehydes to aliphatic diamines comprising (1) providing a mixture of 1,3-cyanocyclohexane carboxaldehyde and/or 1,4-cyanocyclohexane carboxaldehyde; (2) contacting said mixture with a metal carbonate based solid bed or a weak base anion exchange resin bed at a temperature from 15 to 40 ° C. for a period of at least 1 minute; (3) thereby treating said mixture, wherein said treated mixture has a pH in the range of 6 to 9; (4) feeding said treated mixture, hydrogen, and ammonia into a continuous reductive amination reactor system; (6) contacting said treated mixture, hydrogen, and ammonia with each other in the presence of one or more heterogeneous metal based catalyst systems at a temperature from 80 ° C. to 160 ° C. and a pressure from 700 to 3500 psig; (7) thereby producing one or more cycloaliphatic diamines is provided.

Abstract: The present invention generally relates to a condensed process for producing terephthalic acid and terephthalic esters from a dialkyl cyclohexane-2,5-dione-1,4-dicarboxylate; a chemoselective process for preparing a substantially bicyclic-lactone-free dialkyl cyclohexane-2,5-diol-1,4-dicarboxylate; and compositions of matter prepared thereby.

Abstract: A process for production of an alkali metal borohydride. The process comprises three steps. The first step is combining a phenyl ester of a boric acid ester precursor with a compound of formula MAlH4-31 x(OPh)x, where x is from zero to three, M is an alkali metal and Ph is phenyl; to produce an alkali metal borohydride and Al(OPh)3. The second step is separating sodium borohydride from Al(OPh)3. The third step is heating Al(OPh)3 to produce diphenyl oxide.

Abstract: The present invention generally relates to a condensed process for producing terephthalic acid and terephthalic esters from a dialkyl cyclohexane-2,5-di-one-1,4-dicarboxylate; a chemoselective process for preparing a substantially bicyclic-lactone-free dialkyl cyclohexane-2,5-diol-1,4-dicarboxylate; and compositions of matter prepared thereby.

Abstract: The present disclosure relates to compositions, systems, and methods of forming an amine (e.g., methylenedianiline (MDA)) using an acid catalyst including, for example, a metal oxide-silica catalyst calcined at temperature(s) of about ?500° C. to form a solid acid silica-metal oxide catalyst. A metal oxide of a solid acid silica-metal oxide catalyst may comprise alumina. A process for making a solid acid silica-metal oxide catalyst may comprise calcining an amorphous alumina-silica material at temperature(s) of about ?500° C. and/or under an anhydrous and/or inert atmosphere. A rearrangement reaction of the condensation product of aniline and formaldehyde in the presence of a solid acid silica-metal oxide catalyst may yield more MDA and/or more desirable isomer(s) of MDA than reactions performed with a corresponding catalyst calcined at temperature(s) of less than 500° C.

Abstract: The present invention provides an improved hydrogenation processes wherein heat is efficiently managed so that catalyst productivity is optimized. More particularly, in the processes of the present invention, a nonaqueous solvent is added to a reactant to provide a nonaqueous solvent/reactant mixture that can act as a heat sink and absorb at least a portion of the heat generated within the reactor. Desirably, a reaction product, or a solvent with a minimal number of hydroxyl groups, is utilized so that the formation of unwanted byproducts can be minimized.

Abstract: The present invention relates to selective partial oxidation of methane in the absence of a solvent such as sulfuric acid or oleum.

Abstract: The instant invention provides a process for improving catalytic activity of catalyst systems for reductive amination of aliphatic cyanoaldehydes to aliphatic diamines. The process for improving catalytic activity of catalyst systems for reductive amination of aliphatic cyanoaldehydes to aliphatic diamines comprises the steps of: (1) feeding ammonia, optionally hydrogen, and optionally one or more solvents over one or more heterogeneous metal based catalyst systems having a reduced catalytic activity for a period of greater than 1 hour at a temperature in the range of from 50° C. to 500° C.; wherein said one or more heterogeneous metal based catalyst systems have a yield of less than 90 percent based on the molar conversion of cyanoaldehydes to diamines; and (2) thereby improving the catalytic activity of said one or more heterogeneous metal based catalyst systems.

Abstract: The instant invention is a process for the conversion of aliphatic cyclic amines to aliphatic diamines. The process for conversion of aliphatic cyclic amines to aliphatic diamines comprises the steps of: (1) selecting one or more cyclic amines; (2) contacting said one or more cyclic amines with ammonia and hydrogen, optionally water, and optionally one or more solvents in the presence of one or more heterogeneous metal based catalyst systems at a temperature in the range of from 120° C. to about 250° C.

Abstract: The instant invention provides a process for reductive amination of aliphatic cyanoaldehydes to aliphatic diamines, and aliphatic diamines produced via such method. The process for reductive amination of aliphatic cyanoaldehydes to aliphatic diamines comprises the steps of: (1) providing a mixture of one or more cycloaliphatic cyanoaldehydes, optionally water, and optionally one or more solvents, wherein said one or more cycloaliphatic cyanoaldehydes are selected from the group consisting of 1,3-cyanocyclohexane carboxaldehyde, 1,4-cyanocyclohexane carboxaldehyde, mixtures thereof, and combinations thereof; (2) contacting said mixture with a metal carbonate based solid bed or a weak base anion exchange resin bed at a temperature in the range of 15 to 40° C.

Abstract: The present disclosure relates to compositions, systems, and methods of forming an amine (e.g., methylenedianiline (MDA)) using an acid catalyst including, for example, a metal oxide-silica catalyst calcined at temperature(s) of about ?500° C. to form a solid acid silica-metal oxide catalyst. A metal oxide of a solid acid silica-metal oxide catalyst may comprise alumina. A process for making a solid acid silica-metal oxide catalyst may comprise calcining an amorphous alumina-silica material at temperature(s) of about ?500° C. and/or under an anhydrous and/or inert atmosphere. A rearrangement reaction of the condensation product of aniline and formaldehyde in the presence of a solid acid silica-metal oxide catalyst may yield more MDA and/or more desirable isomer(s) of MDA than reactions performed with a corresponding catalyst calcined at temperature(s) of less than 500° C.

Abstract: The present invention provides an improved hydrogenation processes wherein heat is efficiently managed so that catalyst productivity is optimized. More particularly, in the processes of the present invention, a nonaqueous solvent is added to a reactant to provide a nonaqueous solvent/reactant mixture that can act as a heat sink and absorb at least a portion of the heat generated within the reactor. Desirably, a reaction product, or a solvent with a minimal number of hydroxyl groups, is utilized so that the formation of unwanted byproducts can be minimized.

Abstract: The present invention relates to selective partial oxidation of methane in the absence of a solvent such as sulfuric acid or oleum.

Abstract: Spinetoram is selectively produced in excellent yields by hydrogenating a mixture of 3?-O-ethyl spinosyn J and 3?-O-ethyl spinosyn L in a water miscible organic solvent using hydrogen gas and a heterogeneous catalyst.

Abstract: A process for the preparation of aromatic carbamates comprising contacting one or more organic carbonates with an aromatic amine or urea in the presence of a catalyst and recovering the resulting aromatic carbamate product, characterized in that the catalyst is a heterogeneous catalyst comprising a Group 12-15 metal compound supported on a substrate.