??.z%R ?0?0?0?0 W?? ?? T ?]?S ?0?0?0 ?QHrt^ DOI URL ?SW???e "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 ?SW???e "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 ?SW???e "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 ?SW???e "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 ?SW???e "Conformational Switch of Benzanilide Derivative Induced by Acid; Effect of Pentafluorobenzoyl Group" "Ryu Yamasaki, Misuzu Harada, Rino Nagata, Ai Ito, Kazuo Fukuda, Iwao Okamoto" "J. Org. Chem. " "87 (13)" 8469 8479 2022 ?SW???e "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 ?SW???e "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 Lett." 86 "Article 153523" 2021 ?SW???e "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.0" "60 (29)" 1929-1933 2019 ?SW???e "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 RP[n0b_?0?N,nW0f06R?_Y0?0 " O? a" Sf[h0Ye?? "66 (3)" 136-137 2018 https://doi.org/10.20665/kakyoshi.66.3_136 ?SW???e "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 ?SW???e "Spontaneous and direct transformation of <i>O</i>-aryl-<i>N</i>-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 ?SW???e "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 ?SW???e "Crystal engineering of <i>N</i>,<i>N </i>-diphenylurea compounds featuring phenyl-perfluorophenyl interaction0" "Ryu Yamasaki, Mana Iida, Ai Ito, Kazuo Fukuda, Aya Tanatani, Hiroyuki Kagechika, Hyuma Masu, Iwao Okamoto" "Cryst. Crowth Des." "17 (11)" 5858 5866 2017 ?SW???e "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 20160 ?SW???e "Acid-induced molecular-structural transformation of <i>.?</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 ?SW???e "Acid- and base-induced conformational alternations of <i>.?</i>-aryl-<i>.?</i>-troponyl amides" "Ai Ito, Masanori Sato, Ryu Yamasaki, and Iwao Okamoto" " Tetrahedron Lett." 57(3) 438-441 2016 ?SW???e "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 ?SW???e "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 ?SW???e "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 ?SW???e "(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