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Phthalimide: a potential warhead for switchable and bioorthogonal conjugation
Kosuke Chiba, Takumi Yoshida, Kana Okada, Minoru Ishikawa, Yuichi Hashimoto, Satoshi Obika, Takao Yamaguchi
Chem. Commun. 2025年 研究論文(学術雑誌)
出版者・発行元:Royal Society of Chemistry (RSC)
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Separation of deaminated impurities from the desired oligonucleotides using supercritical fluid chromatography
Momoka Hayashida, Risa Suzuki, Shinnosuke Horie, Junichi Masuda, Takao Yamaguchi, Satoshi Obika
J. Chromatogr. A Vol. 1744 2025年 研究論文(学術雑誌)
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Separation and Characterization of Therapeutic Oligonucleotide Isomer Impurities by Cyclic Ion Mobility Mass Spectrometry
Shogo Omuro, Takao Yamaguchi, Taiji Kawase, Kenji Hirose, Tokuyuki Yoshida, Takao Inoue, Satoshi Obika
J. Am. Soc. Mass Spectrom. Vol. 35 p. 2156-2164 2024年 研究論文(学術雑誌)
出版者・発行元:American Chemical Society (ACS)
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Introduction of sugar-modified nucleotides into CpG-containing antisense oligonucleotides inhibits TLR9 activation
Tokuyuki Yoshida, Tomoko Hagihara, Yasunori Uchida, Yoshiyuki Horiuchi, Kiyomi Sasaki, Takenori Yamamoto, Takuma Yamashita, Yukihiro Goda, Yoshiro Saito, Takao Yamaguchi, Satoshi Obika, Seiji Yamamoto, Takao Inoue
Sci. Rep. Vol. 14 2024年 研究論文(学術雑誌)
出版者・発行元:Springer Science and Business Media LLC
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Separation of the diastereomers of phosphorothioated siRNAs by anion-exchange chromatography under non-denaturing conditions
Hiroyuki Togawa, Takashi Okubo, Kazuki Horiuchi, Takao Yamaguchi, Elisa Tomita-Sudo, Tomoka Akita, Junji Kawakami, Satoshi Obika
J. Chromatogr. A Vol. 1721 2024年 研究論文(学術雑誌)
出版者・発行元:Elsevier BV
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Favorable efficacy and reduced acute neurotoxicity by antisense oligonucleotides with 2′,4′-BNA/LNA with 9-(aminoethoxy)phenoxazine
Taiki Matsubayashi, Kotaro Yoshioka, Su Su Lei Mon, Maho Katsuyama, Chunyan Jia, Takao Yamaguchi, Rintaro Iwata Hara, Tetsuya Nagata, Osamu Nakagawa, Satoshi Obika, Takanori Yokota
Mol. Ther. Nucleic Acids Vol. 32 p. 102161-102161 2024年 研究論文(学術雑誌)
出版者・発行元:Elsevier BV
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Comparison of Analysis Data of Model Oligonucleotide Therapeutics Obtained with Different Types of Liquid Chromatograph-Mass Spectrometers
Kenji Hirose, Tokuyuki Yoshida, Maki Terasaki, Hiroshi Sezaki, Kaoru Karasawa, Noriyuki Iwasaki, Kentaro Takahara, Naomi Takiguchi, Mitsuaki Sekiguchi, Hirokazu Nankai, Emi Saito, Hideaki Sato, Takashi Osawa, Takao Yamaguchi, Kosuke Ito, Junji Kawakami, Satoshi Obika, Takao Inoue
PMDRS Vol. 54 p. 439-454 2023年
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Challenges of Impurities Analysis in Manufacturing Therapeutic Oligonucleotides
Ryutaro Takamine, Takao Yamaguchi
J. Mass Spectrom. Jpn. Vol. 71 No. 2 p. 51-54 2023年 研究論文(学術雑誌)
出版者・発行元:The Mass Spectrometry Society of Japan
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Applicability of supercritical fluid chromatography for oligonucleotide analysis: A proof-of-concept study
Momoka Hayashida, Risa Suzuki, Shinnosuke Horie, Junichi Masuda, Takao Yamaguchi, Satoshi Obika
J. Chromatogr. A 2023年 研究論文(学術雑誌)
出版者・発行元:Elsevier BV
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Mechanism of the extremely high duplex-forming ability of oligonucleotides modified with N-tert-butylguanidine- or N-tert-butyl-N′-methylguanidine-bridged nucleic acids
Takao Yamaguchi, Naohiro Horie, Hiroshi Aoyama, Shinji Kumagai, Satoshi Obika
Nucleic Acids Res. Vol. 51 p. 7749-7761 2023年 研究論文(学術雑誌)
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Development of 8–17 XNAzymes that are functional in cells
Kosuke Chiba, Takao Yamaguchi, Satoshi Obika
Chem. Sci. Vol. 14 p. 7620-7629 2023年 研究論文(学術雑誌)
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Synthesis of multivalent fatty acid-conjugated antisense oligonucleotides: Cell internalization, physical properties, and in vitro and in vivo activities
Yuya Tanaka, Yurika Tanioku, Taisuke Nakayama, Kotomi Aso, Takao Yamaguchi, Haruhiko Kamada, Satoshi Obika
Bioorg. Med. Chem. Vol. 81 2023年 研究論文(学術雑誌)
出版者・発行元:Elsevier BV
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Retention behavior of short double-stranded oligonucleotide and its potential impurities by anion-exchange chromatography under non-denaturing conditions
Hiroyuki Togawa, Takashi Okubo, Yumi Nonaka, Takao Yamaguchi, Satoshi Obika
J. Chromatogr. A 2023年 研究論文(学術雑誌)
出版者・発行元:
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Synthesis and Properties of Nucleobase-Sugar Dual Modified Nucleic Acids: 2′-OMe-RNA and scpBNA Bearing a 5-Hydroxycytosine Nucleobase
Yota Sakurai, Takao Yamaguchi, Tokuyuki Yoshida, Masahiko Horiba, Takao Inoue, Satoshi Obika
J. Org. Chem. Vol. 88 p. 154-162 2023年 研究論文(学術雑誌)
出版者・発行元:American Chemical Society (ACS)
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Synthesis and physical and biological properties of 1,3-diaza-2-oxophenoxazine-conjugated oligonucleotides
Ryohei Yamaji, Osamu Nakagawa, Yuki Kishimoto, Akane Fujii, Tomoki Matsumura, Taisuke Nakayama, Haruhiko Kamada, Takashi Osawa, Takao Yamaguchi, Satoshi Obika
Bioorg. Med. Chem. Vol. 72 2022年 研究論文(学術雑誌)
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Physicochemical property evaluation of modification oligonucleotides by traveling-wave ion mobility mass spectrometry
Shogo Omuro, Takao Yamaguchi, Taiji Kawase, Maki Terasaki, Kenji Hirose, Satoshi Obika
Rapid Commun. Mass Spectrom. Vol. 36 No. 10 2022年 研究論文(学術雑誌)
出版者・発行元:
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Identification of Potent and Selective Inhibitors of Fat Mass Obesity-Associated Protein Using a Fragment-Merging Approach
Muthuraj Prakash, Yukihiro Itoh, Yoshie Fujiwara, Yukari Takahashi, Yuri Takada, Paolo Mellini, Elghareeb Elboray, Mitsuhiro Terao, Yasunobu Yamashita, Chika Yamamoto, Takao Yamaguchi, Masayuki Kotoku, Yuki Kitao, Ritesh Singh, Rohini Roy, Satoshi Obika, Makoto Oba, Dan Ohtan Wang, Takayoshi Suzuki
J. Med. Chem. Vol. 64 p. 15810-15824 2021年 研究論文(学術雑誌)
出版者・発行元:
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Synthesis and duplex-forming ability of oligonucleotides modified with 4′-C,5′-C-methylene-bridged nucleic acid (4′,5′-BNA)
Takao Yamaguchi, Chika Yamamoto, Masahiko Horiba, Hiroshi Aoyama, Satoshi Obika
Bioorg. Med. Chem. Vol. 46 2021年 研究論文(学術雑誌)
出版者・発行元:
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Synthesis and properties of oligonucleotides modified with an N-methylguanidine-bridged nucleic acid (GuNA[Me]) bearing adenine, guanine, or 5-methylcytosine nucleobases
Naohiro Horie, Takao Yamaguchi, Shinji Kumagai, Satoshi Obika
Beilstein J. Org. Chem. Vol. 17 p. 622-629 2021年 研究論文(学術雑誌)
出版者・発行元:Beilstein Institut
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Synthesis and Properties of GuNA Purine/Pyrimidine Nucleosides and Oligonucleotides
Shinji Kumagai, Hiroaki Sawamoto, Tomo Takegawa-Araki, Yuuki Arai, Shuhei Yamakoshi, Katsuya Yamada, Tetsuya Ohta, Eiji Kawanishi, Naohiro Horie, Takao Yamaguchi, Satoshi Obika
Org. Biomol. Chem. No. 18 p. 9461-9472 2020年
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Synthesis and evaluation of artificial nucleic acid bearing an oxanorbornane scaffold
Hibiki Komine, Shohei Mori, Kunihiko Morihiro, Kenta Ishida, Takumi Okuda, Yuuya Kasahara, Hiroshi Aoyama, Takao Yamaguchi, Satoshi Obika
Molecules Vol. 25 No. 7 2020年 研究論文(学術雑誌)
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Different reactivity of Sp and Rp isomers of phosphorothioate-modified oligonucleotides in a duplex structure
Md Ariful Islam, Aki Fujisaka, Junji Kawakami, Takao Yamaguchi, Satoshi Obika
Bioorg. Med. Chem. Lett. Vol. 30 2020年 研究論文(学術雑誌)
出版者・発行元:
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Synthesis and properties of oligonucleotides having ethynylphosphonate (EP) linkages
Masahiko Horiba, Takao Yamaguchi, Satoshi Obika
J. Org. Chem. Vol. 85 p. 1794-1801 2020年 研究論文(学術雑誌)
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Structure-activity relationship for the oxadiazole class of antibacterials
Marc A. Boudreau, Derong Ding, Jayda E. Meisel, Jeshina Janardhanan, Edward Spink, Zhihong Peng, Yuanyuan Qian, Takao Yamaguchi, Sebastian A. Testero, Peter I. O'Daniel, Erika Leemans, Elena Lastochkin, Wei Song, Valerie A. Schroeder, William R. Wolter, Mark A. Suckow, Shahriar Mobashery, Mayland Chang
ACS Med. Chem. Lett. Vol. 11 p. 322-326 2020年
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Thymidine, 2-Thiothymidine, and 2-Selenothymidine: Comparison of Mismatch Discriminations
Takaki Habuchi, Takao Yamaguchi, Satoshi Obika
Heterocycles Vol. 98 p. 832-837 2019年
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Detection of esterase activity by chromogenic and fluorogenic probe based on an O-nitrobenzoxadiazole (O-NBD) unit
Kana Okada, Takao Yamaguchi, Kosuke Dodo, Mikiko Sodeoka, Satoshi Obika
Bioorg. Med. Chem. Vol. 27 p. 1444-1448 2019年
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Hybridization and mismatch discrimination abilities of 2′,4′-bridged nucleic acids bearing 2-thiothymine or 2-selenothymine nucleobase
Takaki Habuchi, Takao Yamaguchi, Hiroshi Aoyama, Masahiko Horiba, Kosuke Ramon Ito, Satoshi Obika
J. Org. Chem. Vol. 84 p. 1430-1439 2019年
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Thioamide-bridged nucleic acid (thioAmNA) bearing thymine or 2-thiothymine: Duplex forming ability, base discrimination, and enzymatic stability
Takaki Habuchi, Takao Yamaguchi, Satoshi Obika
ChemBioChem Vol. 20 p. 1060-1067 2019年
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薬物標的タンパク質の同定を志向した新規アフィニティーラベル化法の開発
山口卓男
薬学雑誌 Vol. 139 p. 1513-1521 2019年
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Derivative Synthesis toward Enhancement of the Biophysical Properties of 2′,4′-Bridged Nucleic Acids
Takao Yamaguchi, Satoshi Obika
J. Synth. Org. Chem. Vol. 77 No. 10 p. 994-1004 2019年 研究論文(学術雑誌)
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Facile synthesis and fundamental properties of an N-methylguanidine-bridged nucleic acid (GuNA[NMe])
Naohiro Horie, Shinji Kumagai, Yutaro Kotobuki, Takao Yamaguchi, Satoshi Obika
Org. Biomol. Chem. Vol. 16 p. 6531-6536 2018年
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Synthesis and biophysical properties of 5’-thio-2’,4’-BNA/LNA oligonucleotide
Md Ariful Islam, Aki Fujisaka, Shohei Mori, Kosuke Ramon Ito, Takao Yamaguchi, Satoshi Obika
Bioorg. Med. Chem. Vol. 26 p. 3634-3638 2018年
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Unexpected emergence of luciferase-inhibitory activity during structural development study of phenyloxadiazole-based PPAR ligands
Ryuta Shioi, Yosuke Toyota, Tomomi Noguchi-Yachide, Minoru Ishikawa, Takao Yamaguchi, Makoto Makishima, Yuichi Hashimoto, Kenji Ohgane
Heterocycles 2018年
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Affinity Labeling with 4-Azidophthalimide (AzPI): Relation between Labeling Rate and Fluorescence Intensity
Kosuke Chiba, Yuichi Hashimoto, Takao Yamaguchi
Chem. Pharm. Bull. Vol. 65 No. 10 p. 994-996 2017年10月 研究論文(学術雑誌)
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Specific Fluorescence Labeling of Target Proteins by Using a Ligand–4-Azidophthalimide Conjugate
Kosuke Chiba, Miwako Asanuma, Minoru Ishikawa, Yuichi Hashimoto, Kosuke Dodo, Mikiko Sodeoka, Takao Yamaguchi
Chem. Commun. Vol. 53 No. 62 p. 8751-8754 2017年8月 研究論文(学術雑誌)
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Synthesis and evaluation of novel dual BRD4/HDAC inhibitors
Seika Amemiya, Takao Yamaguchi, Yuichi Hashimoto, Tomomi Noguchi-Yachide
Bioorg. Med. Chem. Vol. 25 No. 14 p. 3677-3684 2017年7月 研究論文(学術雑誌)
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Switching subtype-selectivity: Fragment replacement strategy affords novel class of peroxisome proliferator-activated receptor α/δ (PPARα/δ) dual agonists
Ryuta Shioi, Shogo Okazaki, Tomomi Noguchi-Yachide, Minoru Ishikawa, Makoto Makishima, Yuichi Hashimoto, Takao Yamaguchi
Bioorg. Med. Chem. Lett. Vol. 27 No. 14 p. 3131-3134 2017年7月 研究論文(学術雑誌)
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DEVELOPMENT OF N-6-(HETEROARYLCARBONYL)ADENINES AS BRD4 INHIBITORS
Seika Amemiya, Takao Yamaguchi, Yuichi Hashimoto, Tomomi Noguchi-Yachide
HETEROCYCLES Vol. 94 No. 6 p. 1107-1114 2017年6月 研究論文(学術雑誌)
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Photo-enhanced Aqueous Solubilization of an Azo-compound
Minoru Ishikawa, Takuya Ohzono, Takao Yamaguchi, Yasuo Norikane
Sci. Rep. 2017年
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STRUCTURAL DEVELOPMENT STUDIES OF PYRAZOLOKETONE-DERIVED ACETYL-CoA CARBOXYLASE INHIBITORS
Shogo Okazaki, Taki Sakai, Minoru Ishikawa, Yuichi Hashimoto, Takao Yamaguchi
HETEROCYCLES Vol. 95 No. 1 p. 595-607 2017年1月 研究論文(学術雑誌)
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Synthesis of scpBNA-C-m, -A, and -G Monomers and Evaluation of the Binding Affinities of scpBNA-Modified Oligonucleotides toward Complementary ssRNA and ssDNA
Masahiko Horiba, Takao Yamaguchi, Satoshi Obika
J. Org. Chem. Vol. 81 No. 22 p. 11000-11008 2016年11月 研究論文(学術雑誌)
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Structure-activity relationship studies of non-carboxylic acid peroxisome proliferator-activated receptor α/δ (PPARα/δ) dual agonists
Shogo Okazaki, Ryuta Shioi, Tomomi Noguchi-Yachide, Minoru Ishikawa, Makoto Makishima, Yuichi Hashimoto, Takao Yamaguchi
Bioorg. Med. Chem. Vol. 24 No. 21 p. 5455-5461 2016年11月 研究論文(学術雑誌)
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Discovery of N-(1-(3-(4-phenoxyphenyl)-1,2,4-oxadiazol-5-yl)ethyl)acetamides as novel acetyl-CoA carboxylase 2 (ACC2) inhibitors with peroxisome proliferator-activated receptor α/δ (PPARα/δ) dual agonistic activity
Shogo Okazaki, Tomomi Noguchi-Yachide, Taki Sakai, Minoru Ishikawa, Makoto Makishima, Yuichi Hashimoto, Takao Yamaguchi
Bioorg. Med. Chem. Vol. 24 No. 21 p. 5258-5269 2016年11月 研究論文(学術雑誌)
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Dichloromaleimide (diCMI): A Small and Fluorogenic Reactive Group for Use in Affinity Labeling
Kosuke Chiba, Yuichi Hashimoto, Takao Yamaguchi
Chem. Pharm. Bull. Vol. 64 No. 11 p. 1647-1653 2016年11月 研究論文(学術雑誌)
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Structure-Activity Relationship Study of N6-Benzoyladenine-Type BRD4 Inhibitors and Their Effects on Cell Differentiation and TNF-α Production
Seika Amemiya, Takao Yamaguchi, Taki Sakai, Yuichi Hashimoto, Tomomi Noguchi-Yachide
Chem. Pharm. Bull. Vol. 64 No. 9 p. 1378-1383 2016年9月 研究論文(学術雑誌)
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Improvement in Aqueous Solubility of Retinoic Acid Receptor (RAR) Agonists by Bending the Molecular Structure
Michiaki Hiramatsu, Yuki Ichikawa, Shusuke Tomoshige, Makoto Makishima, Atsuya Muranaka, Masanobu Uchiyama, Takao Yamaguchi, Yuichi Hashimoto, Minoru Ishikawa
CHEMISTRY-AN ASIAN JOURNAL Vol. 11 No. 15 p. 2210-2217 2016年8月 研究論文(学術雑誌)
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Three-dimensional QSAR analysis and design of new 1,2,4-oxadiazole antibacterials
Erika Leemans, Kiran V. Mahasenan, Malika Kumarasiri, Edward Spink, Derong Ding, Peter I. O'Daniel, Marc A. Boudreau, Elena Lastochkin, Sebastian A. Testero, Takao Yamaguchi, Mijoon Lee, Dusan Hesek, Jed F. Fisher, Mayland Chang, Shahriar Mobashery
Bioorg. Med. Chem. Lett. Vol. 26 No. 3 p. 1011-1015 2016年2月 研究論文(学術雑誌)
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Exploration of the structure-activity relationship of 1,2,4-oxadiazole antibiotics
Derong Ding, Marc A. Boudreau, Erika Leemans, Edward Spink, Takao Yamaguchi, Sebastian A. Testero, Peter I. O'Daniel, Elena Lastochkin, Mayland Chang, Shahriar Mobashery
Bioorg. Med. Chem. Lett. Vol. 25 No. 21 p. 4854-4857 2015年11月 研究論文(学術雑誌)
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Synthesis and fluorescence properties of 4-diarylmethylene analogues of the green fluorescent protein chromophore
Masahiro Ikejiri, Kousuke Matsumoto, Hiraku Hasegawa, Daisuke Yamaguchi, Moe Tsuchino, Yoshiko Chihara, Takao Yamaguchi, Kazuto Mori, Takeshi Imanishi, Satoshi Obika, Kazuyuki Miyashita
TETRAHEDRON Vol. 71 No. 30 p. 4987-4998 2015年7月 研究論文(学術雑誌)
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Discovery and structure-activity relationship studies of N6-benzoyladenine derivatives as novel BRD4 inhibitors
Tomomi Noguchi-Yachide, Taki Sakai, Yuichi Hashimoto, Takao Yamaguchi
Bioorg. Med. Chem. Vol. 23 No. 5 p. 953-959 2015年3月 研究論文(学術雑誌)
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Synthesis and properties of 2’-O,4’-C-spirocyclopropylene bridged nucleic acid (scpBNA), an analogue of 2’,4’-BNA/LNA bearing a cyclopropane ring
Takao Yamaguchi, Masahiko Horiba, Satoshi Obika
Chem. Commun. Vol. 51 No. 47 p. 9737-9740 2015年 研究論文(学術雑誌)
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Discovery of a New Class of Non-β-lactam Inhibitors of Penicillin-Binding Proteins with Gram-Positive Antibacterial Activity
Peter I. O’Daniel, Zhihong Peng, Hualiang Pi, Sebastian A. Testero, Derong Ding, Edward Spink, Erika J. Leemans, Marc A. Boudreau, Takao Yamaguchi, Valerie A. Schroeder, William R. Wolter, Leticia I. Llarrull, Wei Song, Elena Lastochkin, Malika Kumarasiri, Nuno T. Antunes, Mana Espahbodi, Katerina Lichtenwalter, Mark A. Suckow, Sergei Vakulenko, Shahriar Mobashery, Mayland Chang
J. Am. Chem. Soc. Vol. 136 No. 9 p. 3664-3672 2014年3月 研究論文(学術雑誌)
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Turn-ON fluorescent affinity labeling using a small bifunctional O-nitrobenzoxadiazole unit
Takao Yamaguchi, Miwako Asanuma, Shuichi Nakanishi, Yohei Saito, Masateru Okazaki, Kosuke Dodo, Mikiko Sodeoka
Chem. Sci. Vol. 5 No. 3 p. 1021-1029 2014年3月 研究論文(学術雑誌)
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Design and Concise Synthesis of a Novel Type of Green Fluorescent Protein Chromophore Analogue
Masahiro Ikejiri, Moe Tsuchino, Yoshiko Chihara, Takao Yamaguchi, Takeshi Imanishi, Satoshi Obika, Kazuyuki Miyashita
Org. Lett. Vol. 14 No. 17 p. 4406-4409 2012年9月 研究論文(学術雑誌)
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Inhibitors for Bacterial Cell-Wall Recycling
Takao Yamaguchi, Blas Blazquez, Dusan Hesek, Mijoon Lee, Leticia I. Llarrull, Bill Boggess, Allen G. Oliver, Jed F. Fisher, Shahriar Mobashery
ACS Med. Chem. Lett. Vol. 3 No. 3 p. 238-242 2012年3月 研究論文(学術雑誌)
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Synthesis and DNA cleavage evaluation of epoxypiperidine derivatives bearing a dehydroamino acid unit
Takao Yamaguchi, Yuji Kawada, Satoshi Obika, Takeshi Imanishi, Kazuyuki Miyashita
TETRAHEDRON Vol. 66 No. 41 p. 8181-8188 2010年10月 研究論文(学術雑誌)
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Sulfonylation-Induced N- to O-Acetyl Migration in 2-Acetamidoethanol Derivatives
Takao Yamaguchi, Dusan Hesek, Mijoon Lee, Allen G. Oliver, Shahriar Mobashery
J. Org. Chem. Vol. 75 No. 10 p. 3515-3517 2010年5月 研究論文(学術雑誌)
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Facile preparation of a highly functionalized tetrahydropyran by catalytic hydrogenation of an oxazoline
Dusan Hesek, Mijoon Lee, Takao Yamaguchi, Bruce C. Noll, Shahriar Mobashery
J. Org. Chem. Vol. 73 No. 18 p. 7349-7352 2008年9月 研究論文(学術雑誌)