Diastereoselective Synthesis of 2,4-Substituted Tetrahydroquinolines via Hf(OTf)4-Catalyzed Substitution/Cyclization of 2-Aminobenzyl Alcohols with Styrenes
作者:Masahiro Noji、Hiroto Kadowaki、Yuuki Kubota、Tomomi Yoshida、Noriko Saito、Subaru Yamaguchi、Ren Ohata、Keitaro Ishii、Toshikatsu Takanami
DOI:10.3987/com-16-s(s)76
日期:——
An efficient and convenient stereoselective synthetic approach to 2,4-substituted 1,2,3,4-tetrahydroquinoline has been developed. This catalytic procedure involves a sequential reaction of 2-aminobenzyl alcohol with styrenes in the presence of Hf(OTf)(4) catalyst followed by intramolecular cyclization of the resulting cation species to give a variety of cis-2,4-substituted tetrahydroquinolines in good yield and diastereoselectivity.