Method and catalyst composition for producing aromatic carbonates

A carbonylation catalyst composition comprising the following and any reaction products thereof:

• an effective amount of palladium(II) 2,4-pentanedionate;
• an effective amount of lead(II) oxide;
• and
• an effective amount of at least one member selected from the group consisting of sodium acetate, tetrabutylammonium benzoate, tetrabutylammonium sulfate, tetrabutylammonium nitrate, tetrabutylammonium tetraphenylborate, tetraethylammonium para-tolylsulfonate, and tetraethylammonium cyanide;
• wherein the carbonylation catalyst composition is free of a halide source.

A carbonylation catalyst composition comprising the following and any reaction products thereof:

• an effective amount of palladium(II) 2,4-pentanedionate;
• an effective amount of lead(II) oxide;
• an effective amount of at least one compound selected from the group consisting of sodium acetate, tetrabutylammonium benzoate, tetrabutylammonium sulfate, tetrabutylammonium nitrate, tetrabutylammonium tetraphenylborate, tetraethylammonium para-tolylsulfonate, and tetraethylammonium cyanide;
• and
• an effective amount of sodium hydroxide;
• wherein the carbonylation catalyst composition is free of a halide source.

A carbonylation catalyst composition comprising the following and any reaction products thereof:

• an effective amount of at least one Group 8, 9, or 10 metal source;
• an effective amount of a first inorganic co-catalyst comprising at least one Group 14 element source;
• an effective amount of at least one second inorganic co-catalyst selected from the group consisting of a Group 4 metal source, a Group 7 metal source, a Group 11 metal source, and a lanthanide element source;
• and
• an effective amount of at least one salt co-catalyst with an anion selected from the group consisting of carboxylate, benzoate, acetate, sulfate, nitrate, arylborate, alkylsulfonate, arylsulfonate, and cyanide;
• wherein the carbonylation catalyst composition is free of a halide source.

A carbonylation catalyst composition comprising the following and any reaction products thereof:

• an effective amount of palladium(II) 2,4-pentanedionate;
• an effective amount of lead(II) oxide;
• an effective amount of at least one member selected from the group consisting of titanium(IV) oxide 2,4-pentanedionate, manganese(III) 2,4-pentanedionate, copper(II) 2,4-pentanedionate, and cerium(III) 2,4-pentanedionate;
• and
• an effective amount of at least one member selected from the group consisting of sodium acetate, tetrabutylammonium benzoate, tetrabutylammonium sulfate, tetrabutylammonium nitrate, tetrabutylammonium tetraphenylborate, tetraethylammonium para-tolylsulfonate, and tetraethylammonium cyanide;
• wherein the carbonylation catalyst composition is free of a halide source.

A carbonylation catalyst composition comprising the following and any reaction products thereof:

• an effective amount of palladium(II) 2,4-pentanedionate;
• an effective amount of lead(II) oxide;
• an effective amount of at least one member selected from the group consisting of titanium(IV) oxide 2,4-pentanedionate, manganese(III) 2,4-pentanedionate, copper(II) 2,4-pentanedionate, and cerium(III) 2,4-pentanedionate;
• an effective amount of at least one member selected from the group consisting of sodium acetate, tetrabutylammonium benzoate, tetrabutylammonium sulfate, tetrabutylammonium nitrate, tetrabutylammonium tetraphenylborate, tetraethylammonium para-tolylsulfonate, and tetraethylammonium cyanide;
• and
• an effective amount of sodium hydroxide;
• wherein the carbonylation catalyst composition is free of a halide source.