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And they all do it! Like PtAu+, the lighter dinuclear platinum–coinage-metal clusters PtCu+ and PtAg+ also mediate the C–N coupling of methane and ammonia. As the homonuclear clusters Pt2+, Cu2+, Ag2+, and Au2+ are inactive (see scheme), the particular electronic situation of the bimetallic clusters appears to be crucial for the outcome of this intriguing reaction.
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Koszinowski et al. (2003) studied this question.
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