Journal of Organic Chemistry p. 10962 - 10977 (2019)
Update date:2022-08-04
Topics: Catalyzed Reductive Amination Ketonic compounds CpIr(III) complexes Picolinamidato ligand
Tanaka, Kouichi
Miki, Takashi
Murata, Kunihiko
Yamaguchi, Ayumi
Kayaki, Yoshihito
Kuwata, Shigeki
Ikariya, Takao
Watanabe, Masahito
Cp*Ir complexes bearing a 2-picolinamide moiety serve as effective catalysts for the direct reductive amination of ketonic compounds to give primary amines under transfer hydrogenation conditions using ammonium formate as both the nitrogen and hydrogen source. The clean and operationally simple transformation proceeds with a substrate to catalyst molar ratio (S/C) of up to 20,000 at relatively low temperature and exhibits excellent chemoselectivity toward primary amines.
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