Abstract: A process of hydrolyzing a monodentate, bidentate or tridentate phosphorus-based phosphite ester ligand or ligand blend for a transition metal catalyst comprising contacting the ligand or ligand blend with a hydrolysis catalyst of the formula (R11X11)nP(OH)3-n where n is 0, 1 or 2 wherein the ligand or ligand blend comprises one or more of (i) a bidentate biphosphite ligand of formula (III), (R12—X12)(R13—X13)P—X14—Y—X24—P(X22—R22)(X23—R23), (ii) a tridentate triphosphite ligand of formula (IIIA) (R12—X12)(R13—X13)P—X14—Y—X32—P(X34—R34)—(X33—Y2—K24—P(X23—R23)—(X22—R22) or (iii) a monodentate phosphite ligand of formula (IV) P(X1—R1)(X2—R2)(X3—R3) where each X is oxygen or a bond and each Y is an optionally substituted C6-C20 arylene, followed by separation of the ligand hydrolysis products.

Abstract: A process of stabilizing a bidentate or tridentate phosphorus-based phosphite ester ligand or mixture thereof in a hydrocyanation reaction milieu comprising water, wherein the ligand or ligand mixture comprises one or more of (i) a bidentate biphosphite ligand of formula (III), (R12—X12) (R13—X13) P—X14—Y—X24—P(X22—R22) (X23—R23) or (ii) a tridentate triphosphite ligand of formula (IIIA) (R12—X12) (R13—X13) P—X14—Y—X32—P(X34—R34)—(X33—Y2—R24—P(X23—R23)—(X22—R22) where each X is oxygen or a bond and each Y is an optionally substituted C6-C20 arylene group, comprising admixing the bidentate and/or tridentate with a stabilizing amount of one or more monodentate phosphite ligand of formula P(X1—R1)(X2—R2)(X3—R3) where each X is oxygen or a bond, wherein the monodentate ligand has a rate of hydrolysis greater than the rate of hydrolysis of the bidentate or tridentate ligand in the presence of water in a hydrocyanation reaction milieu, and thereby preserve concentrations and proportions of the bidentate and/or trid

Abstract: A method of stabilizing a phosphorus-based ligand or a ligand blend comprising a plurality of phosphorus-based ligands, wherein the ligand or ligand blend comprises one or more of (i) a bidentate biphosphite ligand of formula (III), (R12—X12) (R13—X13)P—X14—Y—X24—P (X22—R22) (X23—R23) (ii) a tridentate triphosphite ligand of formula (IIIA) (R12—X12) (R13—X13)P—X14—Y—X32—P(X34—R34)—(X33—Y2—R24—P(X23—R23)—(X22—R22) or (iii) a monodentate phosphite ligand of formula (IV) P(X1—R1)(X2—R2)(X3—R3) where each X is oxygen or a bond and each Y is optionally substituted C6-C20 arylene; the process comprising forming a mixture of the ligand or the ligand blend with a liquid which partially or fully solubilizes the ligand or ligand blend, the liquid consisting essentially of one or more of: (a) a solvent system that does not contain peroxidizable species; or, (b) a solvent system that is substantially free of a dissolved metal.

Abstract: A process of stabilizing a bidentate or tridentate phosphorus-based phosphite ester ligand or mixture thereof in a hydrocyanation reaction milieu comprising water, wherein the ligand or ligand mixture comprises one or more of (i) a bidentate biphosphite ligand of formula (III), (R12—X12) (R13—X13) P—X14—Y—X24—P(X22—R22) (X23—R23) or (ii) a tridentate triphosphite ligand of formula (IIIA) (R12—X12) (R13—X13) P—X14—Y—X32—P(X34—R34)—(X33—Y2—R24—P(X23—R23)—(X22—R22) where each X is oxygen or a bond and each Y is an optionally substituted C6-C20 arylene group, comprising admixing the bidentate and/or tridentate with a stabilizing amount of one or more monodentate phosphite ligand of formula P(X1—R1)(X2—R2)(X3—R3) where each X is oxygen or a bond, wherein the monodentate ligand has a rate of hydrolysis greater than the rate of hydrolysis of the bidentate or tridentate ligand in the presence of water in a hydrocyanation reaction milieu, and thereby preserve concentrations and proportions of the bidentate and/or trid

Abstract: A process of hydrolyzing a monodentate, bidentate or tridentate phosphorus-based phosphite ester ligand or ligand blend for a transition metal catalyst comprising contacting the ligand or ligand blend with a hydrolysis catalyst of the formula (R11X11)nP(OH)3-n where n is 0, 1 or 2 wherein the ligand or ligand blend comprises one or more of (i) a bidentate biphosphite ligand of formula (III), (R12—X12)(R13—X13)P—X14—Y—X24—P(X22—R22)(X23—R23), (ii) a tridentate triphosphite ligand of formula (IIIA) (R12—X12)(R13—X13)P—X14—Y—X32—P(X34—R34)—(X33—Y2—K24—P(X23—R23)—(X22—R22) or (iii) a monodentate phosphite ligand of formula (IV) P(X1—R1)(X2—R2)(X3—R3) where each X is oxygen or a bond and each Y is an optionally substituted C6-C20 arylene, followed by separation of the ligand hydrolysis products.

Abstract: The present invention relates to a process for hydrocyanating 3-pentenenitrile. The process can include feeding 3-pentenenitrile and HCN to a hydrocyanation reaction zone that includes a Lewis acid promoter, nickel, and a phosphorus-containing ligand. In various embodiments, the process can also include controlling water concentration within the hydrocyanation reaction zone sufficient to maintain a high activity of the ligand catalyst complex while recycling at least a portion of the ligand catalyst complex.

Abstract: The present invention relates to a process for hydrocyanating 3-pentenenitrile. The process can include feeding 3-pentenenitrile and HCN to a hydrocyanation reaction zone that includes a Lewis acid promoter, nickel, and a phosphorus-containing ligand. In various embodiments, the process can also include controlling water concentration within the hydrocyanation reaction zone sufficient to maintain a high activity of the ligand catalyst complex while recycling at least a portion of the ligand catalyst complex.

Abstract: The invention relates to the use of an N2O-containing ionic liquid as a reagent in a chemical reaction, for example as an oxidising agent.

Abstract: The invention relates to an ionic liquid composition and a method for preparing the ionic liquid. The ionic liquid comprises a cation containing the Formula I, as herein disclosed, and wherein: n is 2, R1 is selected from the group consisting of: H, C1-C12 alkyl, aryl or together with R2 may form a heterocyclic ring, and R2 is selected from the group consisting of: H, C1-C12 alkyl, aryl or together with R1 may form a heterocyclic ring, and R3 is selected from the group consisting of hydrogen and C1-C12 alkyl, and wherein R1 and R2 are not simultaneously selected from hydrogen.

Abstract: A catalyst composition and a process for using it to decompose nitrous oxide into nitrogen and oxygen are disclosed. The catalyst composition has surface area of about 1 to about 200 m2/g after exposure to a calcination temperature of between about 400° C. and about 900° C., or about 1 to about 100 m2/g after exposure to a calcination temperature of between about 400° C. and about 950° C.

Abstract: A catalyst composition and a process for using it to decompose nitrous oxide into nitrogen and oxygen are disclosed. The catalyst composition has surface area of about 1 to about 200 m2/g after exposure to a calcination temperature of between about 400° C. and about 900° C., or about 1 to about 100 m2/g after exposure to a calcination temperature of between about 400° C. and about 950° C.