Oxacalix[4]arene-bridged pillar[5]arene dimers comprising a pair of enantiomers and a meso isomer were synthesized. Chiral [2]rotaxanes and [3]rotaxanes were constructed.
FRET pair pyrene and perylene fluorophores were incorporated into hydrazide-based molecular duplex strands. The dimerization constants were determined via monitoring the pyrene excimer emission band. When non-fluorescent hydrazide-based oligomers with...
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