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Featured researches published by Keiichi Itakura.


Chemical & Pharmaceutical Bulletin | 1970

Synthesis of Aminoisoquinolines and Related Compounds. X. A Modified Synthesis of dl-Cularine

Saburo Ishiwata; Tatsuji Fujii; Nobuyuki Miyaji; Yoshiyuki Satoh; Keiichi Itakura


Chemical & Pharmaceutical Bulletin | 1968

Syntheses of 6-Amino-1-phenylisoquinolines by Bischler-Napieralski Reaction

Saburo Ishiwata; Keiichi Itakura


Chemical & Pharmaceutical Bulletin | 1969

Synthesis of Aminoisoquinolines and Related Compounds. II. Syntheses of 6-Amino-1-benzylisoquinolines by the Bischler-Napieralski Reaction

Saburo Ishiwata; Keiichi Itakura


Chemical & Pharmaceutical Bulletin | 1970

Syntheses of Aminoisoquinolines and Related Compounds. VII. Syntheses of O-Methylorientalinone and O-Methyliso-orientalinone

Saburo Ishiwata; Keiichi Itakura


Chemical & Pharmaceutical Bulletin | 1970

Syntheses of Aminoisoquinolines and Related Compounds. V. The Direction of the Mannich Reaction on the Aminotetrahydroisoquinolines to the Aminoprotoberberines

Saburo Ishiwata; Keiichi Itakura


Chemical & Pharmaceutical Bulletin | 1970

Synthesis of Aminoisoquinolines and Related Compounds. IX. Synthesis of dl-O-Methylcaseadine

Saburo Ishiwata; Keiichi Itakura


Chemical & Pharmaceutical Bulletin | 1970

Syntheses of Aminoisoquinolines and Related Compounds. VIII. Total Synthesis of dl-Homolinearisine

Saburo Ishiwata; Keiichi Itakura


Chemical & Pharmaceutical Bulletin | 1970

Total Synthesis of dl-Homolinearisine

Saburo Ishiwata; Keiichi Itakura


Chemical & Pharmaceutical Bulletin | 1969

Syntheses of Aminoisoquinolines and Related Compounds. III. Influence of Substituents on the Direction of Ring-closure in the Bischler-Napieralski Reaction

Saburo Ishiwata; Keiichi Itakura


Chemical & Pharmaceutical Bulletin | 1970

Syntheses of Aminoisoquinoloines and Related Compounds. IV. Syntheses of Aminoprotoberberines by the Mannich Reaction

Saburo Ishiwata; Keiichi Itakura

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