A highly efficient organocatalytic one-pot enantioselective synthesis of (R)-2-aryl-2,3-dihydro-4-quinolones from o-aminoacetophenones and aryl aldehydes has been developed. The approach is characterized by being metal free, solvent free and protecting group free. A variety of 2-aryl-2,3-dihydro-4-quinolones could be obtained in good yields up to 99% ee.
G. Pan, L. Su, Y. Zhang, S. Guo and Y. Wang, RSC Adv., 2016, 6, 25375 DOI: 10.1039/C6RA01247G
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