Reductive Alkylation of Quinolines to <i>N</i>-Alkyl Tetrahydroquinolines Catalyzed by Arylboronic Acid
作者:Priyanka Adhikari、Dipanjan Bhattacharyya、Sekhar Nandi、Pavan K. Kancharla、Animesh Das
DOI:10.1021/acs.orglett.1c00302
日期:2021.4.2
A boronic acid catalyzed one-pot tandem reduction of quinolines to tetrahydroquinolines followed by reductivealkylation by the aldehyde has been demonstrated. This step-economcial synthesis of N-alkyl tetrahydroquinolines has been achieved directly from readily available quinolines, aldehydes, and Hantzsch ester under mild reaction conditions. The mechanistic study demonstrates the unique behavior