Patent ID: 8519146

Claim:
A silver complex of an N-heterocyclic carbene represented by any one of the formulas: where each R is independently selected from a hydrogen, a C1 to C12 alkyl, a C1 to C12 substituted alkyl, a C1 to C12 alkoxy, a C3 to C12 cycloalkyl, a C3 to C12 substituted cycloalkyl, a C2 to C12 alkenyl, a C3 to C12 cycloalkenyl, a C3 to C12 substituted cycloalkenyl, a C2 to C12 alkynyl, a C5 to C12 aryl, a C5 to C12 substituted aryl, a C1 to C12 alkylamine, a C1 to C12 substituted alkylamine, a C1 to C12 alkylpentose phosphate, a phenol, a C1 to C12 ester, or a C5 to C12 alkylaryl, and where X is selected from a halide, a carbonate group, an acetate group, a phosphate group, a hexafluorophosphate group, a tetrafluoroborate group, a nitrate group, a methylsulfate group, a hydroxide or sulfate.