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Featured researches published by O. Kusama.


Journal of Heterocyclic Chemistry | 1973

Studies on the syntheses of heteroeyelie compounds. Part DVI . Synthesis of oxynilidine and nitidine

Tetsuji Kametani; Kazuo Kigasawa; Mineharu Hiiragi; O. Kusama


Journal of Heterocyclic Chemistry | 1977

Studies on the synthesis of chemotherapeutics. I. Synthesis of 1‐(2‐tetrahydrofuryl)‐5‐fluorouracil [ftorafur] (studies on the syntheses of heterocyclic compounds. Part 703)

Tetsuji Kametani; Kazuo Kigasawa; Mineharu Hiiragi; Kikuo Wakisaka; O. Kusama; Kumeo Kawasaki; Hideo Sugi


Journal of Heterocyclic Chemistry | 1977

Synthetic studies on chemotherapeutics. II. Synthesis of phenyl-substituted 1,4-dihydro-4-oxonicotinic acid derivatives. [Studies on the syntheses of heterocyclic compounds. Part 704]†‡

Tetsuji Kametani; Kazuo Kigasawa; Mineharu Hiiragi; Kikuo Wakisaka; O. Kusama; Hideo Sugi; Kumeo Kawasaki


Journal of Organic Chemistry | 1971

Benzyne reaction. IX. Benzyne reaction of o-halobenzenes with acetonitrile or phenylacetonitrile in organic solvents

Tetsuji Kametani; Kazuo Kigasawa; Mineharu Hiiragi; Toyohiko Aoyama; O. Kusama


Chemical & Pharmaceutical Bulletin | 1971

Phenolic Cyclization. IX. Syntheses of Benz [c] phenanthridine and Related Compounds

Tetsuji Kametani; Kazuo Kigasawa; Mineharu Hiiragi; O. Kusama; Emiko Hayashi; Haruhide Ishimaru


Journal of Heterocyclic Chemistry | 1977

Synthetic studies on chemotherapeutics. III. Synthesis of the 6,9‐dihydro‐9‐oxo‐1H‐ and 2H‐pyrazolo[3,4‐f]quinoline‐8‐carboxylic acid derivatives [studies on the syntheses of heterocyclic compounds. Part 718 ]

Tetsuji Kametani; Kazuo Kigasawa; Mineharu Hiiragi; Kikuo Wakisaka; O. Kusama; Hideo Sugi; Kumeo Kawasaki


Journal of Medicinal Chemistry | 1969

Syntheses of benzomorphan and related compounds. II. The debenzylation of quaternary ammonium salts with thiophenol.

Tetsuji Kametani; Kazuo Kigasawa; M. Hiragi; Nagatoshi Wagatsuma; Kikuo Wakisaka; O. Kusama


Journal of Heterocyclic Chemistry | 1975

Studies on the syntheses of heterocyclic compounds. Part DCXII. A simple synthesis of benzopyran and dibenzopyran derivatives

Tetsuji Kametani; Kazuo Kigasawa; Mineharu Hiiragi; Haruhide Ishimaru; Nagatoshi Wagatsuma; Seiji Haga; O. Kusama


Journal of Heterocyclic Chemistry | 1973

Studies on the syntheses of analgesics. Part XXXIX †. Synthesis of 1,2,3,4,5,6- Hexahydro-8-hydroxy -2,6-methane-3,6,1 1-trimethyl-2,3-benzo|g| diazocine and 1,2,3,4,5,10,11,12-Octahydro-7-hydroxy-1,5-dimethylpyridazino|2,3-b| isoquinoline |studies on the syntheses of heterocyclic compounds. Part LXI ‡|

Tetsuji Kametani; Kazuo Kigasawa; Mincharu Hiiragi; Kikuo Wakisaka; Nagatoshi Wagatsuma; O. Kusama; Tsunco Urya


Yakugaku Zasshi-journal of The Pharmaceutical Society of Japan | 1969

ハロゲノベンゼンおよびニトリル間のBenzyne反応によるシアノメチル誘導体の合成とそのイソキノリン合成への応用 : 複素環式化合物の合成研究 第323報

Tetsuji Kametani; Kazuo Kigasawa; Mineharu Hiiragi; O. Kusama; Kikuo Wakisaka

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