Remarkable Enhancement of Stability and Helix-sense Excess of Oligo(phenylene ethynylene) Foldamers Assisted by Linking with Achiral (Metallo)salen Tethers and Their Application to Asymmetric Catalysis

Two foldamer strands, which possess chiral amide pendants but imperfect helical handedness, were linked by an achiral (metallo)salen tether, leading to a remarkable enhancement of helical stability...

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