Journal
CRYSTENGCOMM
Volume 17, Issue 40, Pages 7684-7692Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ce01644d
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Funding
- EPSRC [EP/L000202, EP/K004956/1]
- Pfizer Institute for Pharmaceutical Materials Science
- EPSRC [EP/L000202/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/K004956/1, EP/L000202/1] Funding Source: researchfish
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Four new crystalline adducts of the Lawsone molecule (2-hydroxy-1,4-naphthaquinone) with 4,4'-bipyridine, 4-(2-pyridine-4-ethyl)pyridine, 1,3-di.4-pyridyl)propane and 2-hydroxy pyridine are reported. Adduct formation leads to colour shifts, which are characterised by UV/visible spectroscopy. Complementary quantum-chemical calculations are used to study the energetics of the adduct formation, and to gain insight into the origin of the observed colour changes.
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