Abstract
The traditional synthetical routes towards B,B-diaryl tetra-coordinated boron complexes usually involved the use of organometallic reagents, rendering these methods to be sensitive to air and water. Herein, we report a three-component synthetic strategy for such complexes. 8-Aminoquinolines are used as the precursor of N,N-chelated ligands, while potassium aryl trifluoroborates (ArBF3K), which are chemically stable and commercially available, serve as the source of diaryl groups on the boron centers (-BAr2 unit). The target compounds are obtained in moderate to excellent yields. This reaction route offers a convenient and efficient method for synthesizing diarylboron complexes, with good substrate applicability and functional group compatibility.
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