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Dive into the research topics where Sho Takahashi is active.

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Featured researches published by Sho Takahashi.


Nippon Kagaku Kaishi | 1964

Structures of Anhydrotetrodoic Acid and Bromoanhydrotetrodoic Lactone

Sho Takahashi; Toshio Goto; Yoshimasa Hirata

フグの毒成分テトロドトキシンC11H17O8N8(I)から水酸化バリウムによってアンヒドロテトロド酸C11H1708N3(II)を,さらにIIから臭素によってプロムアンヒドロテトロド酸ラクトン(III)臭化水素酸塩C11H1407N3Br・HBrを得た。後者に対しては冨家,仁田らによるX線回折から構造が確定しているので,これをもとにしてIIおよびIに対してIaおよびIaまたはIcの式を与えることができた。この結果によるとIIにはグアニジル基と二重結合が共役してできた新しい紫外吸収発色系をもっている。


Tetrahedron Letters | 1961

Structure of grayanotoxin-I and -III☆

H. Kakisawa; M. Kurono; Sho Takahashi; Yoshimasa Hirata


Tetrahedron Letters | 1963

The structure op tetrodotoxin

Toshio Goto; Yoshito Kishi; Sho Takahashi; Toshimasa Hirata


Bulletin of the Chemical Society of Japan | 1969

The Synthesis of Regular Copolymers of Glycine and Alanine

Sho Takahashi


Tetrahedron Letters | 1963

The structure and stereochemistry of tetrodotoxin

Toshio Goto; Sho Takahashi; Yoshito Kishi; Yoshimasa Hirata; Yujiro Tomiie; I. Nitta


Tetrahedron Letters | 1964

Further studies on the structure of tetrodotoxin

Toshio Goto; Yoshito Kishi; Sho Takahashi; Yoshimasa Hirata


Tetrahedron Letters | 1959

The methylation of pyronones. The structural correlation of aureothin and isoaureothin

Hisao Nakata; Sho Takahashi; Kiyoyuki Yamada; Yoshimasa Hirata


Nippon Kagaku Kaishi | 1964

Extraction and Purification of Tetrodotoxin

Toshio Goto; Sho Takahashi; Yoshito Kishi; Yoshimasa Hirata


Bulletin of the Chemical Society of Japan | 1964

Tetrodotoxin. III. A Revised Molecular Formula for Tetrodotoxin

Toshio Goto; Sho Takahashi; Yoshito Kishi; Yoshimasa Hirata


Nippon Kagaku Kaishi | 1964

The Structures of Tetrodotoxin and Anhydroepitetrodotoxin

Toshio Goto; Yoshito Kishi; Sho Takahashi; Yoshimasa Hirata

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I. Nitta

Kwansei Gakuin University

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Yujiro Tomiie

Kwansei Gakuin University

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