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Dive into the research topics where Yoshitaka Yamada is active.

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Featured researches published by Yoshitaka Yamada.


Journal of Organic Chemistry | 1966

Synthesis of Adenine by Oligomerization of Hydrogen Cyanide

H. Wakamatsu; Yoshitaka Yamada; T. Saito; Izumi Kumashiro; Tadao Takenishi


Journal of Organic Chemistry | 1968

Synthesis of adenine and 4,5-dicyanoimidazole from hydrogen cyanide in liquid ammonia

Yoshitaka Yamada; Izumi Kumashiro; Tadao Takenishi


Nucleic Acids Research | 1976

Synthesis of guanosine and its derivatives from 5-amino-1-beta-D-ribofuranosyl-e-imidazolecarboxamide. IV. A new route to guanosine via cyanamide derivative.

Akihiro Yamazaki; Masaru Okutsu; Yoshitaka Yamada


Chemical & Pharmaceutical Bulletin | 1969

Synthesis of 2-Methoxyinosine and Its 5'-Phosphate

Akihiro Yamazaki; Tadaomi Saito; Yoshitaka Yamada; Izumi Kumashiro


Bulletin of the Chemical Society of Japan | 1968

Synthesis of 4-Amino-5-imidazolecarbonitrile and 4-Amino-5-imidazolecarboxamide from 4, 5-Dicyanoimidazole

Yoshitaka Yamada; Izumi Kumashiro; Tadao Takenishi


Bulletin of the Chemical Society of Japan | 1969

Synthesis of 4,8-Diaminopyrimido[5,4- d ]pyrimidine from Hydrogen Cyanide in Liquid Ammonia

Yoshitaka Yamada; Ichiro Noda; Izumi Kumashiro; Tadao Takenishi


Archive | 1968

METHOD OF PREPARING 6-SUBSTITUTED-8-MERCAPTOPURINE DERIVATIVES

Izumi Kumashiro; Moritaro Sakurai; Yoshitaka Yamada


Bulletin of the Chemical Society of Japan | 1968

Synthesis of 4,5-Di- and 1,4,5-Trisubstituted Imidazole Derivatives from 4,5-Dicyanoimidazole

Yoshitaka Yamada; Izumi Kumashiro; Tadao Takenishi


Bulletin of the Chemical Society of Japan | 1966

The Synthesis of γ-Alkylamides of L-Glutamic Acid. The Reactions of Metallic Salts of L-Pyrrolidonecarboxylic Acid with Primary Alkylamines

Yoshitaka Yamada; Moritaro Sakurai; Yoshio Tsuchiya


Archive | 1975

Process for producing α-chloro-β-(3,4-dihydroxyphenyl) propionitrile or an O-protected derivative thereof

Hideaki Kawashima; Masanao Ozaki; Yoshitaka Yamada; Izumi Kumashiro; Takehiko Ichikawa

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