1,1 -Methylenebis diiodides, reaction with palladium

R = /-Pr, n-Bu, octyl). The reaction of l,r-methylenebis(4-methyl-l,2, 4-tria2olium)diiodide with palladium(II) acetate however proceeds differently and gives the cationic dicarbene [L2Pd(02CMe)]I. 

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