Figure 2.
Absorption and long wavelength expansion (inset) of pyridones 10a,b in ethanol and azafluorenones 11a–c in EtOAc. 11c (Cl), ——; 11b (Ph), — . . —; 11a (MeO), — . —; pyridone 10a (H), — —; 10b (F), – – –.
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