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  • Title: Synthesis of Flavanone and Quinazolinone Derivatives from the Ruthenium-Catalyzed Deaminative Coupling Reaction of 2'-Hydroxyaryl Ketones and 2-Aminobenzamides with Simple Amines.
    Author: Gnyawali K, Kirinde Arachchige PT, Yi CS.
    Journal: Org Lett; 2022 Jan 14; 24(1):218-222. PubMed ID: 34958227.
    Abstract:
    The cationic Ru-H complex [(C6H6)(PCy3)(CO)RuH]+BF4- (1) with 3,4,5,6-tetrachloro-1,2-benzoquinone (L1) was found to be a highly effective catalyst for the deaminative coupling reaction of 2'-hydroxyaryl ketones with simple amines to form 3-substituted flavanone products. The analogous deaminative coupling reaction of 2-aminobenzamides with branched amines directly formed 3,3-disubstituted quinazolinone products. The catalytic method efficiently installs synthetically useful flavanone and quinazolinone core structures without employing any reactive reagents.
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