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Jun-ichi Taga

Kanazawa University

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Publication

Featured researches published by Jun-ichi Taga.

Tetrahedron Letters | 1976

Stereospecific introduction of 3α-methoxy group to the versatile intermediate of 11-oxygenated ethanophenanthridine alkaloids. Total syntheses of (±)-crinamine, (±)-6-hydroxycrinamine, (±)-criwelline, and (±)-macronine.

Kimiaki Isobe; Jun-ichi Taga; Yoshisuke Tsuda

Wahrend die Brommethoxylierung von (Ia) zu einem 2:1-Gemisch von (IIa) und (IIIa) fuhrt, liefert sie bei (Ib) ein l:5-Gemisch von (IIb) und (IIIb).

Journal of The Chemical Society, Chemical Communications | 1975

Synthesis of the amaryllidaceae alkaloid, lycorine

Yoshisuke Tsuda; Takehiro Sano; Jun-ichi Taga; Kimiaki Isobe; Jun Toda; Hiroshi Irie; Hirokazu Tanaka; Shuzo Takagi; Masae Yamaki; Mayumi Murata

A key intermediate for the total synthesis of lycorine has been prepared in racemic form; the optically pure form of this epoxylycorinane lactam, obtained from lycorine, has been reconverted into the alkaloid.

Chemical & Pharmaceutical Bulletin | 1990

Synthesis of Erythrina and Related Alkaloids. XXII. : Intramolecular Cyclization Approach. (1) : New Synthetic Route to Erythrinan and Related Heterocycles and Synthesis of (±)-3-Demethoxy-erythratidinone

Yoshisuke Tsuda; Yuki Sakai; Akira Nakai; Mari Kaneko; Yukie Ishiguro; Kimiaki Isobe; Jun-ichi Taga; T. Sano

Heterocycles | 1976

A New Modification of Bischler-Napieralski Reaction for b-Arylethylisocynates and b-Arylethylurethans

Yoshisuke Tsuda; Kimiaki Isobe; Jun Toda; Jun-ichi Taga

Chemical & Pharmaceutical Bulletin | 1988

Selective Cleavage of Aromatic Rings by Ozonolysis. I. : Application to o-Dimethoxybenzene Derivatives

Kimiaki Isobe; Kunihiko Mohri; Katsumi Tokoro; Chie Fukushima; Fumika Higuchi; Jun-ichi Taga; Yoshisuke Tsuda

Chemical & Pharmaceutical Bulletin | 1987

Syntheses of the β-erythroidine skeleton

Kimiaki Isobe; Kunihiko Mohri; Yuji Itoha; Yuki Toyokawa; Naoko Takeda; Jun-ichi Taga; Yoshisuke Tsuda

Chemical & Pharmaceutical Bulletin | 1992

Studies toward Total Synthesis of Non-aromatic Erythrina Alkaloids.(3). Synthesis of β-Erythroidine Skeleton (β-Erythroidan)

Kimiaki Isobe; Kunihiko Mohri; Yuji Itoh; Yuki Toyokawa; Naoko Takeda; Jun-ichi Taga; Shinzo Hosoi; Yoshisuke Tsuda

Chemical & Pharmaceutical Bulletin | 1986

Chemoselective Reduction of β-Keto esters to β-Keto-alcohols

Kimiaki Isobe; Kunihiko Mohri; Hiromichi Sano; Jun-ichi Taga; Yoshisuke Tsuda

Journal of The Chemical Society-perkin Transactions 1 | 1979

Total synthesis of the amaryllidaceae alkaloids, lycorine and zephyranthine

Yoshisuke Tsuda; Takehiro Sano; Jun-ichi Taga; Kimiaki Isobe; Jun Toda; Shuzo Takagi; Masae Yamaki; Mayumi Murata; Hiroshi Irie; Hirokazu Tanaka

Chemical & Pharmaceutical Bulletin | 1992

Photodecarboxylation of Arylacetic Acids

Kimiaki Isobe; Kunihiko Mohri; Jun-ichi Taga; Yuki Sasaki; Yoshisuke Tsuda

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Yoshisuke Tsuda

Kanazawa University

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Kimiaki Isobe

Showa Pharmaceutical University

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Jun Toda

Kanazawa University

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Kunihiko Mohri

Kanazawa University

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Takehiro Sano

Showa Pharmaceutical University

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Hiroshi Irie

Nagasaki University

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Masae Yamaki

Mukogawa Women's University

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Shuzo Takagi

Mukogawa Women's University

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Naoko Takeda

Kanazawa University

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Suetaka Kambe

Kanazawa University

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