Hiroto Sato

A Formal Total Synthesis of (±)-Cephalotaxine Using Sequential <i>N</i>-Acyliminium Ion Reactions

Yuji Koseki, Hiroto Sato, Yumi Watanabe et al. · Organic Letters · 2002 · 60 citations

Total Synthesis of Lennoxamine and Chilenine via Ring-Expansion of Iso- indoloisoquinoline to Isoindolobenz- azepine

Tatsuo Nagasaka, Yuji Koseki, Shinya Katsura et al. · Heterocycles · 2003 · 34 citations · Full text

Bioorganic Chemistry, Isoindolobenz- Azepine, Berberine Alkaloids +16

1-Azaspiro[4.4]nonane-2,6-dione and the separation and absolute configurations of its enantiomers

Tatsuo Nagasaka, Hiroto Sato, Shin-ichiro Saeki · Tetrahedron Asymmetry · 1997 · 30 citations

Engineering, Heterocyclic, Absolute Configurations +4

The intramolecular tandem Michael/Mannich-type reaction of α,β-unsaturated carbonyl compounds with acyliminium ions provides access to chiral indolizidines

Yuji Koseki, Koji Fujino, Ai Takeshita et al. · Tetrahedron Asymmetry · 2007 · 13 citations

Asymmetric Catalysis, Engineering, β-Unsaturated Carbonyl Compounds +7

Synthesis of Optically Active Tetrahydro-3-benzazepine-2-carboxylic Acid Derivatives via the Ring Expansion Reaction of Isoquinolines and Enzymatic Resolution

Tatsuo Nagasaka, Yuji Koseki, Hidefumi Ozawa et al. · Heterocycles · 2004 · 12 citations · Full text

Engineering, Organic Chemistry, Chemistry +16