Keizo Tabashi

Novel calcium antagonists. Synthesis and structure-activity relationship studies of benzothiazoline derivatives

Kōji Yamamoto, Masanobu Fujita, Keizo Tabashi et al. · Journal of Medicinal Chemistry · 1988 · 58 citations

Pharmacotherapy, Heterocycle Chemistry, Pharmaceutical Chemistry +19

Synthesis and Pharmacological Activities of Novel Cyclic Disulfide and Cyclic Sulfide Derivatives as Hepatoprotective Agents.

Susumu Ito, Hiroshi Suhara, Keizo Tabashi et al. · Chemical and Pharmaceutical Bulletin · 1993 · 23 citations · Full text

Medicinal Chemistry, Nine-membered Cyclic Disulfides, Pharmaceutical Science +15

Synthesis of pyridazino(4,5-e)(1,3,4)thiadiazines and the ring contraction to pyrazolo(3,4-d)pyridazines through extrusion of sulfur.

Kenji Kaji, H. Nagashima, SIGETO NAGAO et al. · Chemical and Pharmaceutical Bulletin · 1984 · 22 citations

Derivative (Chemistry), Derivatives, Heterocyclic +10

3‐Alkylthio and 3‐aminopyrazolo[3,4‐<i>D</i>]pyridazines. Ring contraction of pyridazino[4,5‐<i>e</i>][1,3,4]thiadiazines <i>via</i> extrusion of sulfur

Kenji Kaji, H. Nagashima, Yasushi Ohhata et al. · Journal of Heterocyclic Chemistry · 1985 · 21 citations

Derivatives, Abstract Reaction, Biochemistry +10

The synthesis of pyrazolo[3,4‐<i>d</i>]pyridazines. Photochemical cyclization to pyrazolo[3,4‐<i>d</i>]pyridazin‐4(5<i>H</i>)‐ones with subsequent functionalization

Kenji Kaji, H. Nagashima, Yusho Ohta et al. · Journal of Heterocyclic Chemistry · 1984 · 15 citations · Full text

H ‐Pyrazolo, Chemical Engineering, Diversity Oriented Synthesis +14