Highly Versatile Preparation of Imidazo[1,5-a]quinolines and Characterization of Their Photoluminescent Properties
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Abstract
In this work, we describe a simple and robust synthetic approach for the formation of 1,3-substituted imidazo[1,5-a]quinolines. This was achieved by developing a mild and selective bromination with N-bromosuccinimide (NBS) in 3-position of the imidazole ring. This was followed by a Negishi coupling, which we performed with various coupling partners, resulting in a wide range of different combinations, usually unattainable by other approaches and similar coupling reactions. Fluorescence measurements identified beneficial substitution patterns for the future use of imidazo[1,5-a]quinolines in optical applications, such as organic light-emitting diodes (OLEDs).Link to publications or other datasets
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European journal of organic chemistry 27, 1 (2024), e202301007