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Kouichi Yoshioka

Observed names: KOUICHI YOSHIOKA, Yoshioka, Kouichi
Institution: Takeda (Japan)
OpenAlex ID: A5108585909
An efficient synthesis of a key intermediate for optically active 5,6--carbapenem antibiotics
1986 · Norikazu Tamura, Yasuhiko Kawano, et al. · Tetrahedron Letters · 33
Digitalis Genin Activity: Side-Group Carbonyl Oxygen Position Is a Major Determinant
1979 · Dwight S. Fullerton, Kouichi Yoshioka, et al. · Science · 31
Synthesis of 5,6-cis-carbapenems related to C-19393 H2
1983 · Hideaki Natsugari, Yoshihiro Matsushita, et al. · Journal of the Chemical Society Perkin Transactions 1 · 26
Synthesis and antiandrogenic activity of 16.BETA.-substituted-17.BETA.-hydroxysteroids.
1978 · GIICHI GOTO, KOUICHI YOSHIOKA, et al. · Chemical and Pharmaceutical Bulletin · 25
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Synthesis of lactivicin analogues
1988 · Norikazu Tamura, Yoshihiro Matsushita, et al. · Tetrahedron · 23
Synthesis of lactivicin and its derivatives
1987 · Hideaki Natsugari, Yasuhiko Kawano, et al. · Journal of the Chemical Society Chemical Communications · 22
A stereoselective synthesis and nuclear magnetic resonance spectral study of four epimeric 17-hydroxy-16-ethylestranes.
1977 · GIICHI GOTO, KOUICHI YOSHIOKA, et al. · Chemical and Pharmaceutical Bulletin · 22
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Conversion of aminoglycosidic antibiotics: novel and efficient approaches to 3'-deoxyaminoglycosides via 3'-phosphoryl esters
1977 · Tetsuya Okutani, Tsunehiko Asako, et al. · Journal of the American Chemical Society · 21
A Crystallographic, Conformational Energy, and Biological Study of Actodigin (AY-22,241 ) and Its Genin
1980 · DWIGHT S. FULLERTON, KOUICHI YOSHIOKA, et al. · Molecular Pharmacology · 18
Synthesis of carbapenems with a sulfonyl group in the C-6 side-chain and their biological activity.
1987 · NORIKAZU TAMURA, HIDEAKI NATSUGARI, et al. · Chemical and Pharmaceutical Bulletin · 17
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Sulfazecin analogs. Preparation of 4-fluoromethyl-1-sulfo-2-azetidinone derivatives
1984 · Kouichi Yoshioka, Toshio Miyawaki, et al. · The Journal of Organic Chemistry · 15
Cardenolide analogs. 4. (20R)- and (20S)-cardanolides: on the roles of the 20(22)-ene and 14.beta.-hydroxyl in genin activity
1979 · Dwight S. Fullerton, Kouichi Yoshioka, et al. · Journal of Medicinal Chemistry · 14
Synthesis and structure-activity relationships of carbapenems related to C-19393 H2.
1983 · HIDEAKI NATSUGARI, YOSHIHIRO MATSUSHITA, et al. · The Journal of Antibiotics · 12
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A Stereoselective Synthesis of 16β-Substituted-17-oxosteroids
1973 · GIICHI GOTO, KOUICHI YOSHIOKA, et al. · Chemical and Pharmaceutical Bulletin · 10
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Studies on antiandrogenic agents. Synthesis of 16.BETA.-ethyl-19-nortestosterone.
1975 · KOUICHI YOSHIOKA, GIICHI GOTO, et al. · Chemical and Pharmaceutical Bulletin · 7
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Cardiac glycosides: 2. Synthesis of glucose and galactose analogs
1983 · Masaru Kihara, Kouichi Yoshioka, et al. · Steroids · 6
Total Synthesis of 13β-Allylgonanes. I. Synthesis of dl-17α-Ethynyl-17β-hydroxy-13β-allylgon-4-en-3-one
1973 · KOUICHI YOSHIOKA, TSUNEHIKO ASAKO, et al. · Chemical and Pharmaceutical Bulletin · 5
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Synthesis of the steroid (±)-17α-ethynyl-17β-hydroxy-13β-allylgon-4-en-3-one
1971 · Kouichi Yoshioka, Giichi Goto, et al. · Journal of the Chemical Society D Chemical Communications · 5
Cardiac glycosides: 3. synthesis of β-D-digitoxose analogues
1984 · Masaru Kihara, Kouichi Yoshioka, et al. · Tetrahedron · 4
Chemical modification of aminoglycoside antibiotics. Some N-alkyl derivatives of sorbistin A1 (P-2563 P) and butirosin A.
1979 · KIYOSHI NARA, KOUICHI YOSHIOKA, et al. · Chemical and Pharmaceutical Bulletin · 4
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Chemical Transformation of 3’-Chloro-3’-deoxyaminoglycosides into New Cyclic Pseudo-trisaccharides
1978 · Tsunehiko Asako, Kouichi Yoshioka, et al. · Heterocycles · 4
Total Synthesis of 19-Nortestosterone Analogues
1974 · TAKUICHI MIKI, KENTARO HIRAGA, et al. · YAKUGAKU ZASSHI · 4
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Reactions of γ-Keto-alcohols with Diethyl Oxalate
1973 · KOUICHI YOSHIOKA, GIICHI GOTO, et al. · YAKUGAKU ZASSHI · 2
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Total Synthesis of 13β-Allylgonanes. III
1973 · KOUICHI YOSHIOKA, GIICHI GOTO, et al. · Chemical and Pharmaceutical Bulletin · 2
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Total Synthesis of 13β-Allylgonanes. II
1973 · KOUICHI YOSHIOKA, GIICHI GOTO, et al. · Chemical and Pharmaceutical Bulletin · 1
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Works count: 27
Citation count: 333
H-index: 12
I10-index: 14
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