4.7 Article

Supramolecular photocatalysis by confinement-photodimerization of coumarins within cucurbit[8]urils

Journal

CHEMICAL COMMUNICATIONS
Volume 46, Issue 2, Pages 225-227

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/b920605a

Keywords

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Funding

  1. NSF [CHE-0748525]
  2. Chemistry & Mol. Biology, NDSU
  3. Direct For Mathematical & Physical Scien [0748525] Funding Source: National Science Foundation

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Cucurbit[8]uril (as low as 10 mol%) acts as a supramolecular catalytic nanoreaction vessel and facilitates the photodimerization of coumarins in water leading to syn dimers. Saturation kinetics shows a sigmoidal dependence with a turnover number of 3.4 min(-1) and a Hill constant of 1.8 indicating a co-operative mechanism in the catalytic process.

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