種別 タイトル 著者 誌名 巻号 ページ 出版年 DOI URL 原著論文 "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 原著論文 "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 原著論文 "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 原著論文 "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 原著論文 "Synthesis and conformational analysis of N-aryl-N-(3-thienyl)acetamides" "Ai Ito, Yuki Asami, Marino Asato, Kazuo Fukuda, Ryu Yamasaki, Iwao Okamoto" "Tetrahedron Lett." 59(25) 2454–2458 2018 原著論文 "Crystal Engineering of N,N’-Diphenylurea Compounds Featuring Phenyl-Perfluorophenyl Interaction" "Ryu Yamasaki, Mana Iida, Ai Ito, Kazuo Fukuda, Aya Tanatani, Hiroyuki Kagechika, Hyuma Masu, and Iwao Okamoto" "Cryst. Growth Des" 17 5858–5866 2017 10.1021/acs.cgd.7b00951 http://pubs.acs.org/doi/abs/10.1021/acs.cgd.7b00951 原著論文 "Acid-induced molecular-structural transformation of N-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 原著論文 "Acid- and base-induced conformational alternations of N-aryl-N-troponyl amides" "Ai Ito, Masanori Sato, Ryu Yamasaki, and Iwao Okamoto" " Tetrahedron Lett." 57(3) 438-441 2016 原著論文 "Synthesis of [3]Rotaxanes that Utilize the Catalytic Activity of a Macrocyclic Phenanthroline-Cu Complex: Remarkable Effect of the Length of the Axe Precursor." "Yoshiaki Yamashita, Yuichiro Mutoh, Ryu Yamasaki, Takeshi Kasama, and Shinichi Saito" "Chem. A Eur. J." 21(5) 2139-2145 2015 原著論文 "A Macrocyclic Phenanthroline–Copper Complex with Less Steric Hindrance: Synthesis, Structure, and Application to the Synthesis of [2]Rotaxane." "Shinichi Saito, Takanori Ohkubo, Yukari Yamazaki, Tatsuyuki Yokoyama, Yuichiro Mutoh, Ryu Yamasaki, Takeshi Kasama" "Bull. Chem. Soc. Jpn." 88(9) 1323-1330 2015 原著論文 "Synthesis and Radical Polymerization of Methacrylate Endowed with Bicyclobis(g-butyrolactone) Moiety through Methylene Linker." "Ryu Yamasaki, Atsushi Sudo, Takeshi Endo" "J. Poly. Sci. A." 53(21) 2462-2468 2015 原著論文 "Synthesis of rotacatenanes by the combination of Cu-mediated threading reaction and the template method: the dual role of one ligand" "Ryuto Hayashi, Kota Wakatsuki, Ryu Yamasaki, Yuichiro Mutoh, Takeshi Kasama, and Shinichi Saito" "Chem. Commun." 50(2) 204-206 2014 原著論文 "Acid-mediated Ring-Expansion Reaction of N-Aryl-2-vinylazetidines: Synthesis and Unanticipated Reactivity of Tetrahydrobenzazocines" "Tomoaki Shimizu, Shunsuke Koya, Ryu Yamasaki, Yuichiro Mutoh, Isao Azumaya, and Shinichi Saito" "J. Org. Chem." 79(10) 4367-4377 2014 原著論文 "Ni-Catalyzed [4+3+2] Cycloaddition of Ethyl Cyclopropylideneacetate and Dienynes: Scope and Mechanistic Insights" "Ryu Yamasaki, Masato Ohashi, Kyotaro Maeda, Takuya Kitamura, Minami Nakagawa, Korehito Kato, Tetsushi Fujita, Ryohei Kamura, Kazuto Kinoshita, Hyuma Masu, Isao Azumaya, Sensuke Ogoshi, Shinichi Saito" "Chem. A Eur. J." 19(10) 3415-3425 2013 原著論文 "Synthesis of Large [2]Rotaxanes. The Relationship between the Size of the Blocking Group and the Stability of the Rotaxane" "Shinichi Saito, Eiko Takahashi, Kouta Wakatsuki, Kazuhiko Inoue, Tomoko Orikasa, Kenta Sakai, Ryu Yamasaki, Yuichiro Mutoh, and Takeshi Kasama" "J. Org. Chem." 78(8) 3553-3560 2013 原著論文 "Synthesis of monocyclic nine-membered compounds by the [4+3+2] cycloaddition-bond cleavage strategy" "Ryu Yamasaki, Korehito Kato, Daichi Hanitani, Yuichiro Mutoh, Shinichi Saito" "Tetrahedron Lett." 54(27) 3507-3509 2013 原著論文 "Synthesis of [2]Rotaxanes by the Copper-Mediated Threading Reactions of Aryl Iodides with Alkynes" "Kenta Ugajin, Eiko Takahashi, Ryu Yamasaki, Yuichiro Mutoh, Takeshi Kasama, and Shinichi Saito;" "Org. Lett." 15(11) 2684-2687 2013 原著論文 "Synthesis and Polymerization of Styrene Monomer Carrying Isothiocyanate Moiety and Its Copolymerization with HEMA Based on Chemo-Selectivity to Nucleophiles" "Ryu Yamasaki and Takeshi Endo" "J. Poly. Sci. A." 51(24) 5215-5220 2013 原著論文 "Synthesis and structure of bidentate NHC-metal complexes with xanthene skelton; the formation of cis and trans complexes" "Shinichi Saito, Takaya Kobayashi, Takeshi Makino, Hiromitsu Yamaguchi, Hiroki Muto, Isao Azumaya, Kosuke Katagiri, Ryu Yamasaki" Tetrahedron 68(43) 8931-8936 2012 原著論文 "Cycloaddition Reaction of 2-Vinylaziridines with Benzyne: A Facile Access to 1-Benzazocine Derivatives" "Takashi Aoki, Shunsuke Koya, Ryu Yamasaki, and Shinichi Saito" "Org. Lett." 14(17) 4506-4509 2012 原著論文 "Synthesis and properties of phenylogous amides" "Ryu Yamasaki, Hirokazu Ikeda, Hyuma Masu, Isao Azumaya, Shinichi Saito" Tetrahedron 68(40) 8450-8456 2012 原著論文 "[5+2] Cycloaddition Reaction of 2-Vinylaziridines and Sulfonyl Isocyanates. Synthesis of Seven-Membered Cyclic Ureas" "Eri Kanno, Kenichi Yamanoi, Shunsuke Koya, Isao Azumaya, Hyuma Masu, Ryu Yamasaki, and Shinichi Saito" "J. Org. Chem." 77(5) 2142-2148 2012