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Motowo Izawa

Takeda Pharmaceutical Company

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Publication

Featured researches published by Motowo Izawa.

Cellular and Molecular Life Sciences | 1972

Isolation of maridomycins and structure of maridomycin II

Masayuki Muroi; Motowo Izawa; Hideo Ono; Eiji Higashide; Toyokazu Kishi

Das ausStreptomyces hygroscopicus isolierte neue Makrolid Maridomycin II lässt sich mit Säure Mycarcose und Mycaminose spalten. Auf Grund der Oxidation ins Carbomycin sowie der spektroskopischen Daten wurde die Struktur als II erklärt.

Cellular and Molecular Life Sciences | 1972

Structures of maridomycin I, III, IV, V and VI, macrolide antibiotics

Masayuki Muroi; Motowo Izawa; Toyokazu Kishi

Strukturaufklärung einer Gruppe von Antibiotika aus der Reihe der Makrolide.

Archive | 1981

Fermentation process of preparing demethyl maytansinoids

Mitsuko Asai; Kazuo Nakahama; Motowo Izawa

Tetrahedron | 1979

Isolation, chemical characterization and structure of ansamitocin, a new antitumor ansamycin antibiotic

Mitsuko Asai; Eiji Mizuta; Motowo Izawa; Konomi Haibara; Toyokazu Kishi

The Journal of Antibiotics | 1980

Macbecins I and II, new antitumor antibiotics. II. Isolation and characterization.

Masayuki Muroi; Motowo Izawa; Yoshio Kosai; Mitsuko Asai

The Journal of Antibiotics | 1981

ANSAMITOCIN ANALOGS FROM A MUTANT STRAIN OF NOCARDIA

Motowo Izawa; Seiichi Tanida; Mitsuko Asai

Archive | 1971

ESTERS OF ANTIBIOTICS B-5050 AND TETRAHYDRO-B-5050

Masayuki Muroi; Motowo Izawa; Toyokazu Kishi; Setsuo Harada

The Journal of Antibiotics | 2001

Pyloricidins, novel anti-Helicobacter pylori antibiotics produced by bacillus sp. II. Isolation and structure elucidation.

Yoichi Nagano; Koji Ikedo; Akira Fujishima; Motowo Izawa; Shigetoshi Tsubotani; Osamu Nishimura; Masahiko Fujino

The Journal of Antibiotics | 1981

Ansamitocin analogs from a mutant strain of Nocardia. I. Isolation of the mutant, fermentation and antimicrobial properties.

Seiichi Tanida; Motowo Izawa; Toru Hasegawa

The Journal of Antibiotics | 1981

DEMETHYLATION OF ANSAMITOCINS AND RELATED COMPOUNDS

Motowo Izawa; Kazuo Nakahama; Fumiko Kasahara; Mitsuko Asai; Toyokazu Kishi

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Mitsuko Asai

Takeda Pharmaceutical Company

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Kazuo Nakahama

Takeda Pharmaceutical Company

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Toyokazu Kishi

Takeda Pharmaceutical Company

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Masayuki Muroi

Takeda Pharmaceutical Company

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Seiichi Tanida

Takeda Pharmaceutical Company

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Yoichi Nagano

Takeda Pharmaceutical Company

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Kiyoharu Matsumoto

Takeda Pharmaceutical Company

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Makoto Kida

Takeda Pharmaceutical Company

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Masakuni Kori

Takeda Pharmaceutical Company

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Naoki Tarui

Takeda Pharmaceutical Company

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