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Publications by KENJI KOGA
Stereochemical Studies. LIV. A Biogenetic-Type Asymmetric Synthesis of Optically Active Galanthamine From L-Tyrosine.
Chemical and Pharmaceutical Bulletin
Medicine
Drug Discovery
Chemistry
Stereoselective Reactions. VIII. Stereochemical Requirement for the Benzylic Oxidation of Lignan Lactone. A Highly Selective Synthesis of the Antitumor Lignan Lactone Steganacin by the Oxidation of Stegane.
Chemical and Pharmaceutical Bulletin
Medicine
Drug Discovery
Chemistry
Stereoselective Reactions. V. Design of the Asymmetric Synthesis of Lignan Lactones. Synthesis of Optically Active Podorhizon and Deoxypodorhizon by 1,3-Asymmetric Induction.
Chemical and Pharmaceutical Bulletin
Medicine
Drug Discovery
Chemistry
Stereoselective Reactions. VII. Synthesis of Racemic and Optically Pure Stegane, Isostegane, Picrostegane, and Isopicrostegane via Highly Selective Isomerization.
Chemical and Pharmaceutical Bulletin
Medicine
Drug Discovery
Chemistry
Amino Acids and Peptides. II. A One-Step Synthesis of Atropine and Other Related Alkaloids From Dl-Phenylalanine 3α-Tropanyl Ester
Chemical and Pharmaceutical Bulletin
Medicine
Drug Discovery
Chemistry
Synthesis of Optically Active .ALPHA.-alkyl or .ALPHA.-aryl Acids From L-.Alpha.-Amino Acids by the Use of Organocopper Reagents.
Chemical and Pharmaceutical Bulletin
Medicine
Drug Discovery
Chemistry
