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Featured researches published by Yasuko In.


Heterocycles | 2005

The Structural Information of the Quaternary Ammonium Salts Derived from Nicotine and Sparteine in the Solid State

Kazuhiro Yoshizawa; Yasuko In; Toshimasa Ishida; Takayuki Shioiri

Preparation and X-Ray crystallographic analysis of the benzyl quaternary salts of nicotine and sparteine were described.


Chemical & Pharmaceutical Bulletin | 1993

Molecular conformation of patellamide A, a cytotoxic cyclic peptide from the ascidian Lissoclinum patella, by X-ray crystal analysis

Yasuko In; Mitsunobu Doi; Masatoshi Inoue; Toshimasa Ishida; Yasumasa Hamada; Takayuki Shioiri


Chemical & Pharmaceutical Bulletin | 1998

Studies on the Constituents of Cimicifuga Species. XX. Absolute Stereostructures of Cimicifugoside and Actein from Cimicifu simplex WORMSK.

Akiko Kusano; Masayuki Takahira; Makio Shibano; Yasuko In; Toshimasa Ishida; Toshio Miyase; Genjiro Kusano


Chemical & Pharmaceutical Bulletin | 1993

X-Ray Crystal Structure of L-Tryptophan-Picric Acid Charge-Transfer Complex and Comparison with DL-Tryptophan-Picric Acid Complex

Toshimasa Ishida; Hiroomi Nagata; Yasuko In; Mitsunobu Doi; Masatoshi Inoue; Michael W. Extine; Akio Wakahara


Chemical & Pharmaceutical Bulletin | 1995

Structural Feature and Molecular Interaction of Basic Amino Acid-Picric Acid Complexes by X-Ray Crystal Analyses

Hiroomi Nagata; Yasuko In; Koji Tomoo; Mitsunobu Doi; Toshimasa Ishida; Akio Wakahara


Chemical & Pharmaceutical Bulletin | 2000

Structural studies of C-amidated amino acids and peptides: crystal structures of Z-Gly-Phe-NH2, Tyr-Lys-NH2, and Asp-Phe-NH2.

Yasuko In; Sayuri Tani; Toshimasa Ishida


Chemical & Pharmaceutical Bulletin | 1996

X-Ray Molecular and Crystal Structure of Imidazolopyrroloquinoline, a Main Reaction Product of Pyrroloquinolinequinone (PQQ) and L-Tryptophan in Vitro

Toshimasa Ishida; Yasuko In; Eiji Kawamoto; Takashi Amano; Jyutoku Kanayama; Mitsunobu Doi; Takashi Iwashita; Kyosuke Nomoto


Peptide science : proceedings of the ... Japanese Peptide Symposium | 2012

CH-π Interaction between I308 and Y310 Residues is Required for Self Assembly of Full Length Tau

Koushirou Sogawa; Ryouhei Okuda; Katsuhiko Minoura; Yasuko In; Toshimasa Ishida; Taizo Taniguchi; Koji Tomoo


Peptide science : proceedings of the ... Japanese Peptide Symposium | 2012

Synthesis and Conformational Analysis of Dcp-Containing Homo-Oligopeptides

Yasuko In; Katsuhiko Minoura; Toshimasa Ishida; Shio Fujioka; Misai Takeda; Takashi Murashima; Takashi Yamada


Peptide science : proceedings of the ... Japanese Peptide Symposium | 2011

Synthesis and Conformational Analysis of Homo-oligopeptides of α,α-Dicyclopropylglycine

Takashi Yamada; Shio Fujioka; Misai Takeda; Shin Gohda; Takashi Murashima; Yasuko In

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Toshimasa Ishida

Osaka University of Pharmaceutical Sciences

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Katsuhiko Minoura

Osaka University of Pharmaceutical Sciences

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Miyoko Kamigauchi

Osaka University of Pharmaceutical Sciences

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Mitsunobu Doi

Osaka University of Pharmaceutical Sciences

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Koji Tomoo

Osaka University of Pharmaceutical Sciences

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Masatoshi Inoue

Osaka University of Pharmaceutical Sciences

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Makiko Sugiura

Osaka University of Pharmaceutical Sciences

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