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Chemical & Pharmaceutical Bulletin | 1997

Synthesis and Biological Evaluation of a New Reversely Linked Type of Dual Histamine H2 and Gastrin Receptor Antagonist

Yasuyuki Kawanishi; Shoichi Ishihara; Kimio Takahashi; Tadahiko Tsushima; Sanji Hagishita; Michio Ishikawa; Yasunobu Ishihara


Chemical & Pharmaceutical Bulletin | 1969

Thiosteroids. XXII. The Intramolecular Cyclization of 6-Acylthio-, Acyloxy-, and Acylamino-4-en-3-one Steroids. Pentacyclic Steroids

Taichiro Komeno; Shoichi Ishihara; Kiyoko Takigawa; Hikaru Itani; Hikozo Iwakura


Chemical & Pharmaceutical Bulletin | 1963

Bile Acids and Steroids. XXIII. Thiosteroids. (8). Intramolecular Condensation of Some 6-Acetylthio Steroids.

Ken'ichi Takeda; Taichiro Komeno; Shoichi Ishihara


Archive | 1991

S-difluoromethylhomocysteines, preparation process, and selective insecticides containing them

Tadahiko Tsushima; Shoichi Ishihara


Chemical & Pharmaceutical Bulletin | 1969

Thiosteroids. XXI. Episulfide Formation from Vicinal Thiocyanatohydrins and Their Acetates

Taichiro Komeno; Shoichi Ishihara; Hikaru Itani; Hikozo Iwakura; Ken'ichi Takeda


Chemical & Pharmaceutical Bulletin | 1966

Bile Acids and Steroids. XXXIV. Thiosteroids. (19). 6α-and 6β-Thiocyanato-progesterone and Related Compounds.

Ken'ichi Takeda; Taichiro Komeno; Shoichi Ishihara; Hikaru Itani


Chemical & Pharmaceutical Bulletin | 1964

Bile Acids and Steroids. XXVIII. Thiosteroids. (13). Further Study on Synthesis of 5'-Methylthieno-[4', 3', 2'-4,5,6]-5-en-3-one Steroids

Ken'ichi Takeda; Taichiro Komeno; Shoichi Ishihara


Archive | 1993

S-DIFLUOROMETHYLHOMOCYSTEINES, PREPARATION PROCESS, AND INSECTICIDAL COMPOSITIONS

Tadahiko Tsushima; Shoichi Ishihara


Archive | 1989

S-difluoromethylhomocysteine, verfahren zu ihrer herstellung und insektizide zusammensetzungen.

Tadahiko Tsushima; Shoichi Ishihara


Archive | 1989

Un procedimiento para la preparacion de nuevas s-difluorometilhomocisteinas.

Tadahiko Tsushima; Shoichi Ishihara

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