Koichi Tsuji

Synthesis and anti-pseudomonal activity of new 2-isocephems with a dihydroxypyridone moiety at C-7

Koichi Tsuji, Hiroshi Ishikawa · Bioorganic & Medicinal Chemistry Letters · 1994 · 297 citations

Medicinal Chemistry, Bioorganic Chemistry, Biochemistry +10

A convenient one pot asymmetric synthesis of cis-β-lactams: Key precursors for optically active 2-oxaisocephems

Hidetsugu Tsubouchi, Koichi Tsuji, KOICHI YASUMURA et al. · Tetrahedron Asymmetry · 1994 · 26 citations

Enantioselective Synthesis, Engineering, Key Precursors +7

Use of 4- Nitro-N-phthalimide as Protective Group of Primary Amines

Hidetsugu Tsubouchi, Koichi Tsuji, Hiroshi Ishikawa · Synlett · 1994 · 17 citations

4-Nitrophthaloyl Protection, Engineering, Amino Acids +9

Synthesis and reactivity of sulphinyldithioacetate and sulphonyldithioacetate esters and some related compounds

Masataka Yokoyama, Koichi Tsuji, Masahiro Hayashi et al. · Journal of the Chemical Society Perkin Transactions 1 · 1984 · 15 citations

Chemical Engineering, Derivative (Chemistry), Engineering +13

Synthesis and structure-activity relationships of cephalosporins, 2-isocephems, and 2-oxaisocephems with C-3′ or C-7 catechol or related aromatics

Koichi Tsuji, Hidetsugu Tsubouchi, KOICHI YASUMURA et al. · Bioorganic & Medicinal Chemistry · 1996 · 11 citations

Medicinal Chemistry, Biochemistry, Natural Sciences +7