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Dive into the research topics where Mitsutaka Tanaka is active.

Publication


Featured researches published by Mitsutaka Tanaka.


Heterocycles | 1993

Synthesis of a key intermediate for D-biotin via 1,3-cycloaddition of a thiocarbonyl ylide and sila-Pummerer rearrangement

Toru Yamano; Mitsutaka Tanaka; Kunio Takanohashi

An efficient preparation of a d-biotin intermediate, (±)-(3aα,4α,6aα)-1,3-dibenzyl-3a,4,6,6a-tetrahydro-4-hydroxy-1H-thieno[3,4-d]imidazol-2(3H)-one was accomplished by use of 1,3-cycloaddition of a thiocarbonyl ylide, Curtius rearrangement and sila-Pummerer rearrangement. Addition of p-toluenesulfonic acid was found to be effective to promote sila-Pummerer rearrangement of sterically unfavorable anti-2-trimethylsilyl sulfoxide


Tetrahedron-asymmetry | 2006

Approach to the stereoselective synthesis of melatonin receptor agonist Ramelteon via asymmetric hydrogenation

Toru Yamano; Masayuki Yamashita; Mari Adachi; Mitsutaka Tanaka; Kiyoharu Matsumoto; Mitsuru Kawada; Osamu Uchikawa; Kohji Fukatsu; Shigenori Ohkawa


Archive | 1994

Process for producing vitamin A derivatives

Mitsutaka Tanaka; Tadashi Hanaoka; Kunio Takanohashi


Archive | 1993

Production of L-ascorbic acid

Kunio Takanohashi; Mitsutaka Tanaka; Toru Yamano


Archive | 1988

HERSTELLUNG VON L-ASCORBINSAEURE

Kunio Takanohashi; Mitsutaka Tanaka; Toru Yamano


Archive | 1988

Ascorbic acid ester

Kunio Takanohashi; Mitsutaka Tanaka; Toru Yamano


Archive | 1993

METODO PARA PREPARAR UN NUEVO ESTER DE ACIDO ASCORBICO.

Kunio Takanohashi; Mitsutaka Tanaka; Toru Yamano


Archive | 1988

Fremgangsmaade til fremstilling af l-askorbinsyre

Kunio Takanohashi; Mitsutaka Tanaka; Toru Yamano


Archive | 1988

Ascorbinsaeure-ester. Ascorbic acid ester.

Kunio Takanohashi; Mitsutaka Tanaka; Toru Yamano


Archive | 1988

Herstellung von L-Ascorbinsäure Preparation of L-ascorbic acid

Kunio Takanohashi; Mitsutaka Tanaka; Toru Yamano

Collaboration


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Kunio Takanohashi

Takeda Pharmaceutical Company

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Toru Yamano

Takeda Pharmaceutical Company

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Kiyoharu Matsumoto

Takeda Pharmaceutical Company

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Kohji Fukatsu

Takeda Pharmaceutical Company

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Mari Adachi

Takeda Pharmaceutical Company

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Masayuki Yamashita

Takeda Pharmaceutical Company

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Mitsuru Kawada

Takeda Pharmaceutical Company

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Osamu Uchikawa

Takeda Pharmaceutical Company

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Shigenori Ohkawa

Takeda Pharmaceutical Company

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Tadashi Hanaoka

Takeda Pharmaceutical Company

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