種別	タイトル	著者	誌名	巻号	ページ	出版年	DOI	URL
"[Original paper]"	"Structures and Reactivities of N-Alkenyl-Substituted Anilides: The “Magic” Methyl Effect on Alkene."	"Ryu Yamasaki, Mariko Ono, Kento Morita, Ai Ito, Kazuo Fukuda, Iwao Okamoto"	"J. Org. Chem."	"88 (20)"	14487–14493	2023		
"[Original paper]"	"Synthesis and conformational analysis of N-aromatic acetamides bearing thiophene: effect of intramolecular chalcogen-chalcogen interaction on amide conformational stability."	"Ai Ito, Marino Asato, Yuki Asami, Kazuo Fukuda, Ryu Yamasaki, Iwao Okamoto"	"J. Org. Chem."	"88 (11)"	7075–7087	2023		
"[Original paper]"	"Structure and Additive-free Transamidation of Planar N-Cyano Amides."	"Ryu Yamasaki, Yuko Okada, Hiromi Iizumi, Ai Ito, Kazuo Fukuda, Iwao Okamoto"	"J. Org. Chem."	"88 (9)"	5704–5712	2023		
"[Original paper] "	"Reversible On/Off Conformational Switching of Pentafluorobenzoyl Amide Triggered by Acid Vapor and Sublimation"	"Ryu Yamasaki, Misuzu Harada, Ai Ito, Kazuo Fukuda, Shota Matsumoto, Satoru Karasawa, Iwao Okamoto"	CrystEngComm	"24 (35)"	6226–6231	2022		
"[Original paper] "	"Conformational Switch of Benzanilide Derivative Induced by Acid; Effect of Pentafluorobenzoyl Group"	"Ryu Yamasaki, Misuzu Harada, Rino Nagata, Ai Ito, Kazuo Fukuda, Iwao Okamoto"	"The Journal of Organic Chemistry"	"87 (13)"	8469–8479	2022		
"[Original paper]"	"Synthesis of Probe Molecules, 6-(Dimethylamino)-2-phenylisoindolin-1-ones, for Mechanistic Studies of Firefly Luciferase Inhibition"	"Medha J. Gunaratna, Bo Hao, Man Zhang, Madoka Nakagomi, Ai Ito, Takeo Iwamoto, Duy H. Hua"	Heterocycles	"103 (1)"	231-248	2021		
"[Original paper]"	"Synthesis and crystal structures of <i>N</i>,<i>N</i>-diarylacetamides bearing two azulene rings"	"Ai Ito, Mayuko Watanabe, Ayako Ishii, Ryu Yamasaki, Iwao Okamoto"	"Tetrahedron Letters"	86	"Article 153523"	2021		
"[Original paper] "	"Synthesis and conformational analysis of <i>N</i>-aryl-<i>N</i>-(6-azulenyl)acetamides"	"Ai Ito, Ayako Ishii, Takamasa Amaki, Kazuo Fukuda, Ryu Yamasaki, Iwao Okamoto"	"Tetrahedron Lett.　"	"60 (29)"	1929-1933	2019		
"[Original paper] "	"N-Ethynylation of Anilides Decreases the Double-Bond Character of Amide Bond while Retaining trans-Conformation and Planarity"	"Ryu Yamasaki, Kento Morita, Hiromi Iizumi, Ai Ito, Kazuo Fukuda, Iwao Okamoto"	"Chem. Eur. J."	"25 (43)"	10118-10122	2019		
"[Original paper] "	"Conformational analysis of <i>N</i>-aryl-<i>N</i>-(2-azulenyl)acetamides"	"Ai Ito, Takamasa Amaki, Ayako Ishii, Kazuo Fukuda, Ryu Yamasaki, Iwao Okamoto"	"Tetrahedron Lett."	"59 (45)"	3994-3998	2018		
"[Original paper] "	"Spontaneous and direct transformation of <i>O</i>-aryl-N-aryl carbamates into <i>N</i>,<i>N'</i>-diarylureas"	"Ryu Yamasaki, Yutaka Honjo, Ai Ito, Kazuo Fukuda, Iwao Okamoto"	"Chem. Pharm. Bull."	"66 (9)"	880-884	2018		
"[Original paper] "	"Synthesis and conformational analysis of <i>N</i>-aryl-<i>N</i>-(3-thienyl) acetamides"	"Ai Ito, Yuki Asami, Marino Asato, Kazuo Fukuda, Ryu Yamasaki, Iwao Okamoto"	"Tetrahedron Lett."	"59 (25)"	2454–2458	2018		
"[Original paper] "	"Crystal engineering of <i>N</i>,<i>N'</i>-diphenylurea compounds featuring phenyl-perfluorophenyl interaction　"	"Ryu Yamasaki, Mana Iida, Ai Ito, Kazuo Fukuda, Aya Tanatani, Hiroyuki Kagechika, Hyuma Masu, Iwao Okamoto"	"Cryst. Crowth Des."	"17 (11)"	5858–5866	2017		
"[Original paper] "	"Acid-controlled switching of conformational preference of <i>N</i>,<i>N</i>,-diarylamides bearing pyridine."	"Ai Ito, Hiroto Fujino, Keiko Ushiyama, Eriko Yamanaka, Ryu Yamasaki, Iwao Okamoto"	"Tetrahedron Lett."	"57 (42)"	4737-4741	2016		
"[Original paper]"	"Acid-induced molecular-structural transformation of <i>Ｎ</i>-methyl aromatic oligoamides bearing pyridine-2-carboxamide"	"Ryu Yamasaki, Saori Fujikake, Ai Ito, Kentaro Migita, Nobuyoshi Morita, Osamu Tamura, and Iwao Okamoto"	"Tetrahedron Lett."	57(1)	56-59	2016		
"[Original paper]"	"Acid- and base-induced conformational alternations of <i>Ｎ</i>-aryl-<i>Ｎ</i>-troponyl amides"	"Ai Ito, Masanori Sato, Ryu Yamasaki, and Iwao Okamoto"	" Tetrahedron Lett."	57(3)	438-441	2016		
"[Original paper]"	"Silicon-Containing GABA Derivatives, Silagaba Compounds, as Orally Effective Agents for Treating Neuropathic Pain without Central-Nervous-System-Related Side Effects"	"Hiroshi Fukasawa, Hideaki Muratake, Ai Ito, Hideyuki Suzuki, Yohei Amano, Marina Nagae, Kiyoshi Sugiyama and Koichi Shudo"	"ACS Chem Neurosci."	5(7)	525-532	2014		
"[Original paper]"	"Deprotonation Equilibrium of 5-Tropolonediazonium Salt Strongly Favors 1,2,5-Tropoquinone-5-diazide Structure in Certain Solvents."	"Ai Ito, Hideaki Muratake, and Koichi Shudo"	"J. Org. Chem."	78(11)	5470-5475	2013		
"[Original paper]"	"A Novel Aromatic Carboxylic Acid Inactivates Luciferase by Acylation of an Enzymatically Active Regulatory Lysine Residue."	"Madoka Nakagomi, Nobuko Fujimaki, Ai Ito, Takahiro Toda, Hiroshi Fukasawa, Koichi Shudo, Ryoichi Tomita  "	"PLoS ONE"	8(9)	e75445	2013		
"[Original paper]"	"(R)- and (S)-4-Amino-3-(trimethylsilyl)methylbutanoic Acids Ameliorate Neuropathic Pain without Central Nervous System-related Side Effects."	"Hideaki Muratake, Ai Ito, Takahiro Toda, Hideyuki Suzuki,Hiroshi Fukasawa, Makoto Tsuda, Kazuhide Inoue, Koichi Shudo"	"Bioorg. Med. Chem. Lett."	" 22(24)"	7602-7604	2012