Journal
JOURNAL OF ORGANIC CHEMISTRY
Volume 87, Issue 17, Pages 11708-11721Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.2c01343
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A series of 2-(isoquinol-1-yl)pyrrole-boron complexes with (hetero)aryl substituents on the pyrrole and/or isoquinoline moiety were synthesized. These complexes exhibited fluorescence emission in both solution and solid state. The comprehensive optical characteristics of these complexes, including the emitting colors and intensity, were dependent on the type and position of the substituted aryl groups, as revealed by experimental and computational studies.
A series of 2-(isoquinol-1-yl)pyrrole-boron complexes possessing (hetero)aryl substituents on the pyrrole and/or isoquinoline moiety were prepared. These compounds exhibited the fluorescence emission character in both solution and solid state. In most cases, the large Stokes shift and high fluorescence quantum yield in the solution were compatible. Furthermore, the structural diversity allowed the precise tuning of emitting colors from light blue to red with strong emission intensity. The present paper describes their comprehensive optical characteristics dependent on the type and position of the substituted aryl groups by the experimental and computational studies.
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