Koji Ishikura

Synthesis and biological properties of 7.BETA.-((Z)-2-(2-amino-4-thiazolyl)-4-carboxy-2-butenoylamino)-3-cephem-4-carboxylic acid (7432-S), a new oral cephem antibiotic.

Yoshio Hamashima, Tadatoshi Kubota, Kyôji Minami et al. · The Journal of Antibiotics · 1987 · 29 citations · Full text

-3-Cephem-4-carboxylic Acid, Medicinal Chemistry, Bioorganic Chemistry +9

Synthetic studies on .beta.-lactam antibiotics. 12. Stereocontrolled synthesis of 7.alpha.-methoxy-1-oxacephems from 6-epipenicillin G

Shoichiro Uyeo, Ikuo Kikkawa, Yoshio Hamashima et al. · Journal of the American Chemical Society · 1979 · 22 citations

Medicinal Chemistry, Antimicrobial Drug Discovery, Bioorganic Chemistry +15

S-3578, A New Broad Spectrum Parenteral Cephalosporin Exhibiting Potent Activity Against both Methicillin-resistant Staphylococcus aureus (MRSA) and Pseudomonas aeruginosa Synthesis and Structure-activity Relationships.

Hidenori Yoshizawa, H. ITANI, Koji Ishikura et al. · The Journal of Antibiotics · 2002 · 22 citations · Full text

Synthesis and structure-activity relationships of 7.BETA.-((Z)-2-(2-aminothiazol-4-yl)-3-(substituted)-2-propenoylamino)-3-cephems with C-3 substitutions.

Koji Ishikura, Tadashi Kubota, Kyôji Minami et al. · The Journal of Antibiotics · 1994 · 10 citations · Full text

Synthesis of 3-Substituted Cephems from Penicillins via 4-Dithio-2-azetidinone Intermediates

Yoshio Hamashima, Tadatoshi Kubota, Koji Ishikura et al. · Heterocycles · 1976 · 10 citations · Full text

Medicinal Chemistry, Seventies Anniversary, Bioorganic Chemistry +13