Kimiyoshi Annaka

InBr₃-Promoted Divergent Approach to Polysubstituted Indoles and Quinolines from 2-Ethynylanilines: Switch from an Intramolecular Cyclization to an Intermolecular Dimerization by a Type of Terminal Substituent Group

Norio Sakai, Kimiyoshi Annaka, Akiko Fujita et al. · The Journal of Organic Chemistry · 2008 · 206 citations

Natural Sciences, Chemistry, Medicinal Chemistry +14

Palladium-Catalyzed Coupling Reaction of Terminal Alkynes with Aryl Iodides in the Presence of Indium Tribromide and Its Application to a One-Pot Synthesis of 2-Phenylindole

Norio Sakai, Kimiyoshi Annaka, Takeo Konakahara · Organic Letters · 2004 · 112 citations

Natural Sciences, Chemistry, Catalysis +12

Direct Synthesis of Polysubstituted Quinoline Derivatives by InBr₃-Promoted Dimerization of 2-Ethynylaniline Derivatives

Norio Sakai, Kimiyoshi Annaka, Takeo Konakahara · The Journal of Organic Chemistry · 2006 · 75 citations

Natural Sciences, Chemistry, Medicinal Chemistry +10

InBr3-catalyzed intramolecular cyclization of 2-alkynylanilines leading to polysubstituted indole and its application to one-pot synthesis of an amino acid precursor

Norio Sakai, Kimiyoshi Annaka, Takeo Konakahara · Tetrahedron Letters · 2005 · 72 citations

Natural Sciences, Chemistry, Catalysis +12