Shigeo Katsumura

Significant Acceleration of 6π-Azaelectrocyclization Resulting from a Remarkable Substituent Effect and Formal Synthesis of the Ocular Age Pigment A2-E by a New Method for Substituted Pyridine Synthesis

Katsunori Tanaka, Hajime Mori, Mako Yamamoto et al. · The Journal of Organic Chemistry · 2001 · 121 citations

Natural Sciences, Chemistry, Medicinal Chemistry +13

Development of Highly Stereoselective Asymmetric 6π-Azaelectrocyclization of Conformationally Flexible Linear 1-Azatrienes. From Determination of Multifunctional Chiral Amines, 7-Alkyl <i>cis</i>-1-Amino-2-indanols, to Application as a New Synthetic Strategy:  Formal Synthesis of 20-Epiuleine

Katsunori Tanaka, Toyoharu Kobayashi, Hajime Mori et al. · The Journal of Organic Chemistry · 2004 · 95 citations

Pharmacy, Chemistry, Medicinal Chemistry +7

The Synthesis of Damascenone and β‐Damascone and the possible mechanism of their formation from carotenoids

Sachihiko Isoe, Shigeo Katsumura, Takeo Sakan · Helvetica Chimica Acta · 1973 · 91 citations

Life Sciences, Plant Biology, Plant Sciences +9

Versatile Synthetic Method for Sphingolipids and Functionalized Sphingosine Derivatives via Olefin Cross Metathesis

Tetsuya Yamamoto, Hiroko Hasegawa, Toshikazu Hakogi et al. · Organic Letters · 2006 · 91 citations

Pharmacy, Biochemistry, Combinatorial Chemistry +5

Highly Stereoselective Asymmetric 6π-Azaelectrocyclization Utilizing the Novel 7-Alkyl Substituted <i>cis</i>-1-Amino-2-indanols:  Formal Synthesis of 20-Epiuleine

Katsunori Tanaka, Shigeo Katsumura · Journal of the American Chemical Society · 2002 · 89 citations

Natural Sciences, Chemistry, Medicinal Chemistry +9