C-H…Pd(Ⅱ)interaction-driven homochiral M helix formation of neutral (R,R)-bis(pyrrol-2-ylmethyl-enea

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A chiral complex of (R,R)-Pd was prepared by reaction of optically pure (R,R)-bis(pyrrol-2-ylmethyl-mation of the neutral, chiral, mononuclear (R,R)-Pd in the crystal packing.
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