??.z%R ?0?0?0?0 W?? ?? T ?]?S ?0?0?0 ?QHrt^ DOI URL ?SW???e "Conformational preference of N-difluoromethylated amides: contributions of hydrogen-bonding, steric, and stereoelectronic effects" "Ryu Yamasaki, Ami Tashiro, Chisaki Sato, Ai Ito, and Iwao Okamoto" "Org. Chem. Front." 12(17) 4834 4841 2025 10.1039/D5QO00497G https://pubs.rsc.org/en/content/articlelanding/2025/qo/d5qo00497g ?SW???e "Synthesis and Conformational Analysis of N-Azulenyl-N-methyl Amides: Influence of Coplanarity on Amide Conformational Preference" "Ai Ito, Mari Arakawa, Masayuki Yunoki, Mayuko Tomita, Ayako Ishii, Ryu Yamasaki, and Iwao Okamoto" "ACS Omega" 10(12) 12590 12602 2025 ?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 10.1021/acs.joc.3c01487 https://pubs.acs.org/doi/10.1021/acs.joc.3c01487 ?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 10.1021/acs.joc.3c00172 https://pubs.acs.org/doi/10.1021/acs.joc.3c00172 ?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 Masumoto, Satoru Karasawa and Iwao Okamoto" CrystEngComm 24(35) 6226-6231 2022 10.1039/D2CE00972B https://pubs.rsc.org/en/content/articlelanding/2022/ce/d2ce00972b ?SW???e "Conformational Switch of Benzanilide Derivative Induced by Acid; Effect of Pentafluorobenzoyl Group" "Ryu Yamasaki,* Misuzu Harada, Rino Nagata, Ai Ito, Kazuo Fukuda, and Iwao Okamoto" "Journal of Organic Chemistry" 87(13) 8469-8479 2022 acs.joc.2c00593 https://pubs.acs.org/doi/full/10.1021/acs.joc.2c00593 ?SW???e "Hybrid molecule between platanic acid and LCL-161 as a yes-associated protein degrader" "Naoko Nakano, Kazuo Fukuda, Estu Tashiro, Haruka Ishikawa, Waka Nagano, Rie Kawamoto, Alice Mori, Misao Watanabe, Ryu Yamasaki, Takahisa Nakane, Mikihiko Naito, Iwao Okamoto and Susumu Itoh" "The Journal of Biochemistry" 171(6) 631-640 2022 ?SW???e "Synthesis and crystal structures of N,N-diarylacetamides bearing two azulene rings" "Ai Ito, Mayuko Watanabe, Ayako Ishii, Ryu Yamasaki, Iwao Okamoto" "Tetrahedron Lett." 86 153523 2021 ?SW???e "Characterization of Push-Pull-Type Benzo[X]quinoline Derivatives (X = g or f): Environmentally Responsive Fluorescent Dyes with Multiple Functions" "Yasufumi Fuchi, Tomohiro Umeno, Yuichiro Abe, Keita Ikeno, Ryu Yamasaki, Iwao Okamoto, Kazuteru Usui, and Satoru Karasawa" "Journal of Organic Chemistry" 85(20) 13177-13190 2020 ?SW???e "N-Ethynylation of Anilides Decreases Double-Bond Character of Amide Bond while Trans Conformation and Planarity" "Ryu Yamasaki, Kento Morita, Hiromi Iizumi, Ai Ito, Kazuo Fukuda, and Iwao Okamoto" "Chemistry- A European Journal" 25(43) 10118 10122 2019 10.1002/chem.201901451 https://onlinelibrary.wiley.com/doi/full/10.1002/chem.201901451 ?SW???e "Synthesis and Conformational analysis of N-aryl-N-(6-azulenyl)acetamides" "Ai Ito, Ayako Ishii, Takamasa Amaki, Kazuo Fukuda, Ryu Yamasaki, Iwao Okamoto" "Tetrahedron Lett." 60(19) 1929 1933 2019 ?SW???e "Conformational analysis of N-aryl-N-(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 N,O-Diaryl Carbamates into Diarylureas" "Ryu Yamasaki, Yutaka Honjo, Ai Ito, Kazuo Fukuda, and Iwao Okamoto" "Chem. Pharm. Bull." 66(9) 880 884 2018 ?SW???e "Synthesis and conformational analysis of N-aryl-N-(3-thienyl)acetamides" "Ai Ito, Yuki Asami, Marino Asato, Kazuo Fukuda, Ryu Ya