Abstract: This application relates, in part, to novel salts represented by the following structure of Formula (1): wherein R1a is selected from the group consisting of hydrogen and optionally substituted alkyl (e.g., unsubstituted C1-6 alkyl, e.g., —CH3); R1b is optionally substituted alkyl (e.g., unsubstituted C1-6 alkyl, e.g., —CH3); each occurrence of R2 and R3 is independently selected from the group consisting of hydrogen, optionally substituted alkyl, optionally substituted cycloalkyl, and optionally substituted aryl; R2 and R3 can combine with each other to form optionally substituted cycloalkyl; each m and n is independently an integer ranging from 1 to 20 (e.g., m and n is independently an integer ranging from 1 to 5); and each of Q1? and Q2? is independently a counterion (e.g., each of Q1? and Q2? is independently a counterion selected from the group consisting of chloride, bromide, fluoride, iodide, acetate, carboxylate, hydrogen sulfate, nitrate, and phenolate, and sulfonate, e.g.

Abstract: Provided herein are silicon-containing recyclable polyamino compounds; epoxy resin compositions containing these silicon-containing reworkable or recyclable polyamino compounds; and methods of their use.

Abstract: A process for the production of dihydronepetalactone including hydrogenating nepetalactone in the presence of a catalytic metal is provided. The catalytic metal may include nickel. The process may be performed in an aqueous medium.

Abstract: The present invention relates to the reduction of polycyano compounds to produce polyamines, in particular diaminoacetal and diaminoketal compounds, and their use as curing agents in epoxy resin compositions. The reduction with molecular hydrogen can be carried out using a metal catalyst selected from GROUP VIII and a catalytic promoter. The reduction can include anhydrous or aqueous ammonia. The reaction can be carried out in continuous and batch modes with catalyst and solvent recycling. The epoxy resin composition consisting of an epoxy resin and a polyamine curing agent that can be used in fiber-reinforced composite materials, coating materials, and the like.

Abstract: Provided herein are silicon-containing recyclable polyamino compounds; epoxy resin compositions containing these silicon-containing reworkable or recyclable polyamino compounds; and methods of their use.

Abstract: This application relates, in part, to novel salts represented by the following structure of Formula (1): wherein R1a is selected from the group consisting of hydrogen and optionally substituted alkyl (e.g., unsubstituted C1-6 alkyl, e.g., —CH3); R1b is optionally substituted alkyl (e.g., unsubstituted C1-6 alkyl, e.g., —CH3); each occurrence of R2 and R3 is independently selected from the group consisting of hydrogen, optionally substituted alkyl, optionally substituted cycloalkyl, and optionally substituted aryl; R2 and R3 can combine with each other to form optionally substituted cycloalkyl; each m and n is independently an integer ranging from 1 to 20 (e.g., m and n is independently an integer ranging from 1 to 5); and each of Q1? and Q2? is independently a counterion (e.g., each of Q1? and Q2? is independently a counterion selected from the group consisting of chloride, bromide, fluoride, iodide, acetate, carboxylate, hydrogen sulfate, nitrate, and phenolate, and sulfonate, e.g.

Abstract: This application relates, in part, to novel salts represented by the following structure of Formula (1): wherein R1a is selected from the group consisting of hydrogen and optionally substituted alkyl (e.g., unsubstituted C1-6 alkyl, e.g., —CH3); R1b is optionally substituted alkyl (e.g., unsubstituted C1-6 alkyl, e.g., —CH3); each occurrence of R2 and R3 is independently selected from the group consisting of hydrogen, optionally substituted alkyl, optionally substituted cycloalkyl, and optionally substituted aryl; R2 and R3 can combine with each other to form optionally substituted cycloalkyl; each m and n is independently an integer ranging from 1 to 20 (e.g., m and n is independently an integer ranging from 1 to 5); and each of Q1? and Q2? is independently a counterion (e.g., each of Q1? and Q2? is independently a counterion selected from the group consisting of chloride, bromide, fluoride, iodide, acetate, carboxylate, hydrogen sulfate, nitrate, and phenolate, and sulfonate, e.g.

Abstract: An epoxy resin composition comprises about 70 wt % to about 95 wt % by weight of the composition of an epoxy component; and a curing component comprising about 5 wt % to about 30 wt % by weight of the composition, wherein the curing component is includes an imidazole; wherein the epoxy component and the curing component react together at a temperature of about 100 C to about 130 C to form a substantially cured reaction product in about 10 minutes or less and the cured product shows high tensile and flexural strength.

Abstract: Provided herein are silicon-containing recyclable polyamino compounds; epoxy resin compositions containing these silicon-containing reworkable or recyclable polyamino compounds; and methods of their use.

Abstract: The present invention relates to the reduction of polycyano compounds to produce polyamines, in particular diaminoacetal and diaminoketal compounds, and their use as curing agents in epoxy resin compositions. The reduction with molecular hydrogen can be carried out using a metal catalyst selected from GROUP VIII and a catalytic promoter. The reduction can include anhydrous or aqueous ammonia. The reaction can be carried out in continuous and batch modes with catalyst and solvent recycling. The epoxy resin composition consisting of an epoxy resin and a polyamine curing agent that can be used in fiber-reinforced composite materials, coating materials, and the like.

Abstract: The present invention relates to the reduction of polycyano compounds to produce polyamines, in particular diaminoacetal and diaminoketal compounds, and their use as curing agents in epoxy resin compositions. The reduction with molecular hydrogen can be carried out using a metal catalyst selected from GROUP VIII and a catalytic promoter. The reduction can include anhydrous or aqueous ammonia. The reaction can be carried out in continuous and batch modes with catalyst and solvent recycling. The epoxy resin composition consisting of an epoxy resin and a polyamine curing agent that can be used in fiber-reinforced composite materials, coating materials, and the like.

Abstract: The present invention relates to the reduction of polycyano compounds to produce polyamines, in particular diaminoacetal and diaminoketal compounds, and their use as curing agents in epoxy resin compositions. The reduction with molecular hydrogen can be carried out using a metal catalyst selected from GROUP VIII and a catalytic promoter. The reduction can include anhydrous or aqueous ammonia. The reaction can be carried out in continuous and batch modes with catalyst and solvent recycling. The epoxy resin composition consisting of an epoxy resin and a polyamine curing agent that can be used in fiber-reinforced composite materials, coating materials, and the like.

Abstract: This application relates, in part, to novel salts represented by the following structure of Formula (1): wherein R1a is selected from the group consisting of hydrogen and optionally substituted alkyl (e.g., unsubstituted C1-6 alkyl, e.g., —CH3); R1b is optionally substituted alkyl (e.g., unsubstituted C1-6 alkyl, e.g., —CH3); each occurrence of R2 and R3 is independently selected from the group consisting of hydrogen, optionally substituted alkyl, optionally substituted cycloalkyl, and optionally substituted aryl; R2 and R3 can combine with each other to form optionally substituted cycloalkyl; each m and n is independently an integer ranging from 1 to 20 (e.g., m and n is independently an integer ranging from 1 to 5); and each of Q1? and Q2? is independently a counterion (e.g., each of Q1? and Q2? is independently a counterion selected from the group consisting of chloride, bromide, fluoride, iodide, acetate, carboxylate, hydrogen sulfate, nitrate, and phenolate, and sulfonate, e.g.

Abstract: Provided herein are silicon-containing recyclable polyamino compounds; epoxy resin compositions containing these silicon-containing reworkable or recyclable polyamino compounds; and methods of their use.

Abstract: Novel processes for the purification of an imino or amino sugar, such as D-1-deoxygalactonojirimycin (DGJ). Particularly, there are described processes for the purification of multi-kilogram scale sugars using hydrochloric acid.

Abstract: Methods are disclosed for inhibiting or disrupting Janus tyrosine kinase 3 (Jak3) dependent function in cells of lymphoid or myeloid origin, especially for blocking proliferation and function of lymphocytes (e.g., T-cells, B-cells). A Mannich base compound, or a derivative or modified compound, is employed which is capable of selectively inhibiting Jak3 while affecting other protein tyrosine kinase activities to a lesser extent or not at all, to provide beneficial effects such as mitigation of transplant rejection and alleviation of allergic responses with fewer side effects than with conventional immunosuppressive agents.

Abstract: Methods are disclosed for inhibiting or disrupting Janus tyrosine kinase 3 (Jak3) dependent function in cells of lymphoid or myeloid origin, especially for blocking proliferation and function of lymphocytes (e.g., T-cells, B-cells). A Mannich base compound, or a derivative or modified compound, is employed which is capable of selectively inhibiting Jak3 while affecting other protein tyrosine kinase activities to a lesser extent or not at all, to provide beneficial effects such as mitigation of transplant rejection and alleviation of allergic responses with fewer side effects than with conventional immunosuppressive agents.

Abstract: Methods are disclosed for inhibiting or disrupting Janus tyrosine kinase 3 (Jak3) dependent function in cells of lymphoid or myeloid origin, especially for blocking proliferation and function of lymphocytes (e.g., T-cells, B-cells). A Mannich base compound, or a derivative or modified compound, is employed which is capable of selectively inhibiting Jak3 while affecting other protein tyrosine kinase activities to a lesser extent or not at all, to provide beneficial effects such as mitigation of transplant rejection and alleviation of allergic responses with fewer side effects than with conventional immunosuppressive agents.

Abstract: Described are novel processes for the synthesis triflated sugars. These sugars are useful for the production of compounds, such as D-1-deoxynojirimycin (DNJ) and D-1-deoxygalactonojirimycin (DGJ). In particular, described is a multi-kilogram scale stabilization method for the synthesis of imino sugars.

Abstract: Novel processes for the purification of an imino or amino sugar, such as D-1-deoxygalactonojirimycin (DGJ). Particularly, there are described processes for the purification of multi-kilogram scale sugars using hydrochloric acid.