Patent ID: 7390915

Claim:
A phosphine transition metal complex having a ferrocene skeleton, the complex comprising: at least two phosphine derivatives represented by general formula (1) or general formula (2) as ligands; and a transition metal atom selected from the group consisting of gold, copper, platinum, and silver: (wherein R 1 , R 2 , R 3 , and R 4 each represent a linear or branched alkyl group, a cycloalkyl group, an alkoxy group, an aryl group, or an aralkyl group; and A represents a linear or branched alkyl group, a phenyl group, or a hydrogen atom), (wherein R 5 and R 6 each represent a linear or branched alkyl group, a cycloalkyl group, an alkoxy group, an aryl group, or an aralkyl group, and R 7 represents a monovalent organic group).