Staff

Osamu Tamura Professor /  Ph. D.last update : 2023.01.16

Japanese

Profile

Name
Osamu Tamura
Affiliation
Laboratory of Organic Chemistry 
Subjects
 Introduction to Organic Chemistry (1st grade)
Laboratory Practice of Orgaic Chemisty I (2nd grade)
Organic Chemistry I (2nd grade)
Advanced Organic Chemistry (4th grade)
Business Internship (5th Grade)
Thesis Research I (4th and 5th Grades)
Thesis Research II (4th and 5th Grades)
Thesis Research III (6th Grade)
Organic Reaction Chemistry (Master's Course)
Advanced Pharmaceutical Sciences: Pharmaco-Gerontology
<Gerontological Life Sciences, Clinical Medicine of Aging, Clinical and Applied Pharmacy> (Doctoral course)
Medicinal Chemistry and Bioorganic Chemistry (Doctoral couse)
Seminar for Clinical Pharmaceutical Sciences II (Doctoral course)
Official title
 Professor
Degree
 Ph. D.
  • 化学系薬学Ⅰ 化学物質の性質と反応(スタンダード薬学シリーズⅡ) 田村 修 第2章 基本事項 SBO 5〜7 73〜86 東京化学同人 2015 
  • 有機合成実験法ハンドブック 第2版  田村 修 第29章へテロ環合成法 29.1 芳香族へテロ環 d. ジアゾール,オキサゾール,トリアゾール 1051〜1053 丸善 2015 
  • Methods and Applications of Cycloaddition Reactions in Organic Syntheses Osamu Tamura 第6章 Geometry-Controlled Cycloaddition of C-Alkoxycarbonyl Nitrones: Synthetic Studies on Nonproteinogenic Amino Acids 151〜174 John Wiley & Sons 2014 
  • 天然物合成で活躍した反応 田村 修、石橋弘行 38. ニトロンの付加環化 76〜77 化学同人 2011 
  • [Original paper] Gold-Catalyzed Formal [3+2] Cycloaddition in Ionic Liquid: Environmentally Friendly and Stereoselective Synthesis of Polysubstituted Indanes from Benzyl Alcohols with 1-Phenylpropenes. Nobuyoshi Morita, Hitomi Chiaki, Kanae Ikeda, Kosaku Tanaka III, Yoshimitsu Hashimoto, Osamu Tamura, Synlett,  in press, 2022 
  • [Original paper] Directing-group-free Palladium-Catalyzed C-H Arylation of Aldoxime Using Oxime’s Umpolung Properties. Kosaku Tanaka, III, Yoshimitsu Hashimoto, Nobuyoshi Morita, Osamu Tamura, Org. Lett.,  in press, 2022 
  • [Original paper] Cationic palladium(II)-catalyzed synthesis of substituted pyridines from α,β-unsaturated oxime ethers. Takahiro Yamada, Yoshimitsu Hashimoto, Kosaku Tanaka, III, Nobuyoshi Morita, Osamu Tamura,  RSC Adv., 12(33), 21548–21557, 2022 
  • [Review] Strategic Use of Difference of Valence of Gold Catalysts: Development of Cyclization Reactions oriented toward Synthetic Diversity Using Propargylic Alcohols.  Nobuyoshi Morita, Osamu Tamura, Synthetic Organic Chemistry, Japan, 79(7), 652-663, 2021 
  • [Original paper] Electrophilic epoxidation of α,β-unsaturated oximes with dioxylane and ring opening of the epoxides. Yumi Furugoori, Kiwamu Yoshida, Yoshimitsu Hashimoto, Nobuyoshi Morita, Osamu Tamura,  Chem. Pharm. Bull., 69(10), 1010-1016, 2021 
  • [Original paper] Palladium(II)-Catalyzed Substituted Pyridine Synthesis from α,β-Unsaturated Oxime Ethers via C–H Alkenylation/Aza-6π-Electrocyclization Approach.  Takahiro Yamada, Yoshimitsu Hashimoto, Kosaku Tanaka, Ⅲ, Nobuyoshi Morita, Osamu Tamura,  Org. Lett., 23(5), 1659–1663, 2021 
  • [Original paper] Gold-Catalyzed Formal [3+2]Cycloaddition of p-Quinones and 1-Phenylpropenes in Ionic Liquid: Environmentally Friendly and Stereoselective Synthesis of Benzofuran Neolignans. Nobuyoshi Morita, Kanae Ikeda, Chiaki Hitomi, Ryuto Araki, Kosaku Tanaka III, Yoshimitsu Hashimoto, Osamu Tamura, Heterocycles, 103(2), 714-722, 2021 
  • [Original paper] Synthesis and Formation Mechanism of a Compound with an Unprecedented Novel Skeleton: Skeletal Dodecahydro-4,10:5,9-diepoxydipyrrolo[3,4-b:3',4'-f][1,5]diazocine Compound Formation and Formation Mechanism. Misaki Shinoda, Nobuyoshi Morita, Kosaku Tanaka, III, Yoshimitsu Hashimoto, Shintaro Ban, Osamu Tamura,  Chem. Pharm. Bull., 68(12), 1238–1243,  2020 
  • [Original paper] Thioether Ligand-Enabled Cationic Palladium(Ⅱ)-Catalyzed Electrophilic C-H Arylation of α,β-Unsaturated Oxime Ethers. Takahiro Yamada, Yoshimitsu Hashimoto, Kosaku Tanaka, Ⅲ, Nobuyoshi Morita, Osamu Tamura,  J. Org. Chem., 85(19), 12315−12328, 2020 
  • [Original paper] Intramolecular activation of imidate with cationic gold(I) catalyst: a new benzylation reaction of alcohols. Shintaro Ban, Tomotake Endo, Rikako Matsui, Nobuyoshi Morita, Yoshimitsu Hashimoto, Kosaku Tanaka, III, Osamu Tamura, Tetrahedron Lett., 61(38), 152233-152235, 2020 
  • [Original paper] O-Alkyl S-(pyridin-2-yl)carbonothiolates: Operationally Simple and Highly Nitrogen-Selective Alkoxy Carbonylation Reagents of Amino Groups. Tomoyuki Suzuki, Kosaku Tanaka, III, Yoshimitsu Hashimoto, Nobuyoshi Morita, Osamu Tamura, Synlett, 31(9), 899–902, 2020 
  • [Original paper] Chelation-Based Homologation by Reaction of Organometallic Reagents with O-Alkyl S-(pyridin-2-yl)carbonothiolates: Synthesis of Esters from Grignard Reagents. Shun Usami, Tomoyuki Suzuki, Koudai Mano, Kosaku Tanaka, III, Yoshimitsu Hashimoto, Nobuyoshi Morita, Osamu Tamura, Synlett, 30(13), 1561-1564,  2019 
  • [Original paper] Inverse-Electron-Demand oxa Diels–Alder Reactions of α-Keto-β,γ-unsaturated Esters and α,β-Unsaturated Hydrazones. Yoshimitsu Hashimoto, Takanori Ikeda, Ayako Ida, Nobuyoshi Morita, Osamu Tamura, Org. Lett., 21(11), 4245-4249, 2019 
  • [Original paper] Efficient One-pot Synthesis of Substituted Oxazoles from 3-Trimethylsilyl-Propargylic Alcohols and Amides by Gold-Catalyzed Substitution Followed by Cycloisomerization. Nobuyoshi Morita, Aoi Sano, Ayako Sone, Shino Aonuma, Arisa Matsunaga, Yoshimitsu Hashimoto, and Osamu Tamura, Heterocycles, 97(2), 719-728, 2018 
  • [Original paper] Inverse-electron-demand Diels–Alder reaction α,β-unsaturated hydrazone with 3-methoxycarbonyl α-pyrone. Yoshimitsu Hashimoto, Ryo Abe, Nobuyoshi Morita and Osamu Tamura, Org. Biomol. Chem., 16(46), 8913–8916, 2018 
  • [Original paper] Total synthesis of neodysiherbaine A using 1,3-dipolar cycloaddition of a chiral nitrone template. Toshihiro Hirai, Koki Shibata, Yohei Niwano, Masao Shiozaki, Yoshimitsu Hashimoto, Nobuyoshi Morita, Shintaro Ban, Osamu Tamura,  Org. Lett.,  19, 6320-6323, 2017 
  • [Original paper] Thiyl radical-mediated cyclization of ω-alkynyl O-tert-butyldiphenylsilyloximes.  Nina Shibata, Takashisa Tsuchiya, Yoshimitsu Hashimoto, Nobuyoshi Morita, Shintaro Ban, Osamu Tamura,  Org. Biomol. Chem., 15(14), 3025-3034, 2017 
  • [Original paper] Total synthesis of (-)-phaeosphaeride B by a biomimetic conversion from (-)-phaeosphaeride A. Kenichi Kobayashi, Risako Kunimura, Kosaku Tanaka III, Osamu Tamura, Hiroshi Kogen,  Tetrahedron, 73(17),  2382-2388,  2017 
  • [Original paper] Utilization of electron-donating α,β-unsaturated oximes: Regioselective inverse 1,3-dipolar cycloaddition of nitrones Yoshimitsu Hashimoto, Hiromasa Ishiwata, Soko Tachikawa, Shintaro Ban, Nobuyoshi Morita, Osamu Tamura Chem. Commun.  53(18), 2685–2688, 2017 
  • [Original paper] Gold(III)-catalyzed Synthesis of 2,3,4-Trisubstituted Dihydropyrans from Propargylic Alcohols with 1,3-Dicarbonyl Compounds. Nobuyoshi Morita, Kazuki Oguro, Saori Takahashi, Midori Kawahara, Shintaro Ban, Yoshimitsu Hashimoto, Osamu Tamura Heterocycles,  95, 172-180, 2017 
  • [Original paper] Gold-Catalyzed Dehydrative Friedel-Crafts Reaction and Nazarov Cyclization Sequence: An Efficient Synthesis of 1,3-Diarylindenes from Propargylic Alcohols.  Nobuyoshi Morita, Masazumi Miyamoto; Akiyoshi Yoda; Mari Yamamoto; Shintaro Ban; Yoshimitsu Hashimoto; Osamu Tamura,  Tetrahedron Lett.  57(40),  4460-4463,  2016 
  • [Original paper] 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, Iwao Okamoto Tetrahedron Lett. 57 56-59 2016 
  • [Original paper] Gold-catalyzed Dimeric Cyclization of Isoeugenol and Related 1-Phenylpropenes in Ionic Liquid: Environmentally Friendly and Stereoselective Synthesis of 1,2,3-Trisubstituted Dihydro(1H)Indenes Nobuyoshi Morita, Rie Mashiko, Dai Hakuta, Daisuke Eguchi, Shintaro Ban, Yoshimitsu Hashimoto, Iwao Okamoto, Osamu Tamura  Synthesis   1927-1933 2016 
  • [Original paper] Gold-catalyzed synthesis of 2-substituted azepanes: strategic use of soft gold(I) and hard gold(III) catalysts Nobuyoshi Morita, Yuta Saito, Ayumi Muraji, Shintaro Ban, Yoshimitsu Hashimoto, Iwao Okamoto, Osamu Tamura  Synlett   1936-1940 2016 
  • [Original paper] Total Synthesis of Maremycins A and D1 Using Chiral and Cyclic Nitrone with (E)-3-Ethylidene-1-Methylindolin-2-one Tohru Ueda, Mitsunobu Inada, Nobuyoshi Morita, Osamu Tamura Heterocycles 90 1179-1195 2015 
  • [Original paper] Establishment of Relative and Absolute Configurations of Phaeosphaeride A: Total Synthesis of ent-Phaeosphaeride Kenichi Kobayashi, Yukiko Kobayashi, Misato Nakamura, Osamu Tamura, Hiroshi Kogen J. Org. Chem. 80 1243-1248 2015 
  • [Original paper] BF3-Mediated cis-Selective Cycloaddition of O-Silyloxime with Alkenes Nobuyoshi Morita, Rina Kono, Kenji Fukui, Asuka Miyazawa, Hyuma Masu, Isao Azumaya, Shintaro Ban, Yoshimitsu Hashimoto, Iwao Okamoto, Osamu Tamura J. Org. Chem. 80 4797-4802 2015 
  • [Original paper] Gold-Catalyzed Synthesis of Cyclic Ethers; Valency-Controlled Cyclization Modes Nobuyoshi Morita, Arisa Yasuda, Motohiro Shibata, Shintaro Ban, Yoshimitsu Hashimoto, Iwao Okamoto, Osamu Tamura Org. Lett. 17 2668-2671 2015 
  • [Original paper] Gold(I)/(III)-Catalyzed 2-Substituted Synthesis of Piperidines; Valency-Controlled Cyclziation Modes Nobuyoshi Morita, Tomonori Tsunokake, Yuji Narikiyo, Mayuka Harada, Tatsuyuki Tachibana, Yuta Saito, Shintaro Ban, Yoshimitsu Hashimoto, Iwao Okamoto, Osamu Tamura Tetrahedron Lett. 56 6269-6272 2015 
  • [Original paper] Redox-Responsive Conformational Alteration of Aromatic Amides Bearing N-Quinonyl System Iwao Okamoto, Yusuke Takahashi, Mika Sawamura, Mio Matsumura, Hyuma Masu, Kosuke Katagiri, Isao Azumaya, Masanori Nishino, Yukari Kohama, Nobuyoshi Morita, Osamu Tamura, Hiroyuki Kagechika, Aya Tanatani Tetrahedron 68 5346-5355 2012 
  • [Original paper] Synthesis and Biological Evaluation of Tubulysin D Analogues Related to Stereoisomers of Tubuvaline Taku Shibuea, Iwao Okamotob, Nobuyoshi Moritab, Hiroshi Moritac, Yusuke Hirasawac, Takahiro Hosoyac, Osamu Tamurab Bioorg. Med. Chem. Lett. 21 431-434 2011 
  • [Original paper] Synthesis of the Proposed Structure of Phaeosphaeride A Kenichi Kobayashi, Iwao okamoto, Nobuyoshi Morita, Osamu Tamura  Org. Biomol. Chem. 9 5825-5832 2011 
  • [Original paper] Convenient Synthesis of Aminopyridinecarboxylic Acids  Iwao Okamoto, Masayuki Terashima, Rempei Yoshioka, Tomonori Muramatsu, Satomi Kojima, Haruka Inoue, Mio Takahashi, Nobuyoshi Morita, Osamu Tamura Heterocycles  83 2343-2352 2011 
  • [Original paper] Stereoselective Vinylogous Mannich Reaction of 2-Trimethylsilyloxyfuran on to N-Gulosyl Nitrones Osamu Tamura, Kodai Takeda, Naka Mita, Masanori Sakamoto, Iwao Okamoto, Nobuyoshi Morita, Hiroyuki Ishibashi Org. Biomol. Chem. 9 7411–7419 2011 
  • [Original paper] Acid-induced conformational alteration of cis-preferential aromatic amides bearing N-methyl-N-(2-pyridyl) moiety Iwao Okamotoa, Masayuki Terashima, Hyuma Masu, Mayumi Nabeta, Kaori Ono, Nobuyoshi Morita, Kosuke Katagiri, Isao Azumaya, Osamu Tamura Tetrahedron  67 8536-8543 2011 
  • [Original paper] Total Synthesis of Tubulysins, Taku Shibue, Toshihiro Hirai, Iwao Okamoto, Nobuyoshi Morita, Hyuma Masu, Isao Azumaya, Osamu Tamura,  Chem. Eur. J., 16(38), 11678-11688, 2010 
  • [Original paper] Products of Thymine Oxygenation by a Non-heme Oxygenation Model, FeII(MeCN)62+–Ac2O–H2O2, and the Transision State Model between Oxoiron and Thymine.  Shigeki Kobayashi, Akihiko Takagi, Toshiyuki Chikuma, Osamu Tamura, Eiichi Kotani, Takao Katase,  Chem. Pharm. Bull., 58(6), 775-781, 2010 

Conference, etc.

Download TSV file

  •  Inverse-Electron-Demand Diels–Alder Reactions of α,β-Unsaturated Hydrazones withα-Pyrones Having Electron- Withdrawing Group. Yoshimitsu Hashimoto, Ryo Abe, Nobuyoshi Morita and ○Osamu Tamura 27th International Society of Heterocyclic Chemistry Congress Kyoto, Japan 2019/09
  •  Gold-catalyzed One-Pot Synthesis of Oxazoles from 3-Trimethylsilyl Propargylic Alcohols and Amides. ○Nobuyoshi Morita, Aoi Sano, Ayako Sone, Shino Aonuma, Arisa Matsunaga, Yoshimitsu Hashimoto, and Osamu Tamura 27th International Society of Heterocyclic Chemistry Congress Kyoto, Japan 2019/09
  •  Gold-catalyzed One-Pot Synthesis of Substituted Oxazoles from 3-Trimethylsilyl Propargylic Alcohols and amides. ○Nobuyoshi Morita 2nd Edition of EuroSciCon Conference on Chemistry Prague, Czech Republic 2019/02
  •  A new regio- and stereo-controlling method in nitrone cycloaddition by using N-heteroatom substituted imines. ○Yoshimitsu Hashimoto, Yuriko Oshita, Sayuri Yuhara, Hiromasa Ishiwata, Soko Tachikawa, Shintaro Ban, Nobuyoshi Morita, Osamu Tamura 22nd International Conference on Organic Synthesis (22-ICOS) Florence, Italy 2018/09
  •  Total synthesis of neodysiherbaine A using chelation controlled 1,3-dipolar cycloaddition of a nitrones with an allyl alcohol. Toshihiro Hirai, Koki Shibata, Yohei Niwano, Masao Shiozaki, Yoshimitsu Hashimoto, Nobuyoshi Morita, Shintaro Ban, ○Osamu Tamura 19th Tetrahedron Syposium Riva del Garda, Italy 2018/06
  •  Strategic Use of Gold(I)/(III) Catalysts for Synthesis of Piperidines and Azepanes; Valency-Controlled Cyclization Modes. Nobuyoshi Morita 6th Global Conference on Materials Science and Engineering Beijing 2017/10
  •  Stereoselectivity of intramolecular cycloaddition of allenyl nitrones Nobuyoshi Morita, Yukari Saito, Sakurako Zenzai, Osamu Tamura 16th Tetrahedron Symposium Berlin 2015/06/16〜2015/06/19
  •  Radical Cyclization of-Alkynyl O-tert-Butyldiphenylsilyloximes Using 4-tert-Butylbenzenethiol Nina Shibata, Takahisa Tsuchiya, Nobuyoshi Morita 15th Tetrahedron Symposium Asia Edition Singapore 2014/10/28〜2014/10/31
  •  A Concise Synthesis of cis-HPA-12 Using Branonitrone species Asuka Miyazawa, Yuka Inaba, Saori Hama, Shintaro Ban, Nobuyoshi Morita, Osamu Tamura 15th Tetrahedron Symposium Asia Edition Singapore 2014/10/28〜2014/10/31
  •  Gold-catalyzed Efficient Synthesis of Cyclic Ethers bearing carbonyl group via Meyer-Schuster Rearrangment and Oxa-Michael Addition Nobuyoshi Morita, Arisa Yasuda, Motohiro Shibata, Osamu Tamura 5th EuCheMS Chemistry Congress  Istanbul, Republic of Turkey 2014/08/31〜2014/09/04
  •  BF3•OEt2-Mediated Cycloaddition of (tert-Butyldimethylsilyloxyimino)acetic Acid N,N-Dimethyl Amide with Olefines Osamu Tamura, Nobuyoshi Morita, Rina Kono, Kenji Fukui, Asuka Miyazawa IMEBORON XV  Prague, Czech Republic 2014/08/24〜2014/08/28
  •  Gold-catalyzed Efficient Synthesis of Cyclic Ethers bearing Acetylenic Moiety Nobuyoshi Morita, Kie Sato, Arisa Yasuda, Iwao Okamoto, Osamu Tamura 18th European Symposium on Organic Chemistry  Marseille, France 2013/07/07〜2013/07/12
  •  BF3•OEt2-Mediated cis-Selective Cycloaddition of O-Silyloxime. Nobuyoshi Morita, Rina Kono, Kenji Fukui, Asuka Miyazawa, Ryosuke Toyama, Iwao Okamoto, Osamu Tamura, 14th Tetrahedron Symposium, Vienna, Austria, 2013/06/25〜2013/06/28
  •  Radical Cyclization of Omega-Alkynyl Imino Compounds Using 4-tert-Butylbenzenethiol. Nina Shibata, Iwao Okamoto, Nobuyoshi Morita, Osamu Tamura, 13th Tetrahedron Symposium – Asia Edition, Taipei, Taiwan, 2012/11/27〜2012/11/30
  •  Stereoselective Vinylogous Mannich Reaction of 2-Trimethylsilyloxyfuran with N-Gulosyl Nitrones: Application to Syntheses of Intermediates of Polyoxin C and Dysiherbaine. Osamu Tamura, Kodai Takeda, Naka Mita, Masanori Sakamoto, Iwao Okamoto, Nobuyoshi Morita, Hiroyuki Ishibashi, 13th Tetrahedron Symposium – Asia Edition, Taipei, Taiwan, 2012/11/27〜2012/11/30
  •  Conformational analyses and external stimuli induced conformational alteration of N,N-diaryl amides. Iwao Okamoto, Keiko Ushiyama, Eriko Yamanaka, Megumi Suzuki, Misa Kato, Yusuke Takahahsi, Hiroto Fujino, Nobuyoshi Morita, Osamu Tamura, 244th American Chemical Society National Meeting & Exposition, Philadelphia, USA 2012/08/19〜2012/08/23
  •  Total Synthesis of Tubulysins and Their Stereoisomers, Osamu Tamura, Taku Shibue, Toshihiro Hirai, Iwao Okamoto, Nobuyoshi Morita, 19th International Conference on Organic Synthesis, Melbourne, Australia 2012/07/01〜2012/07/06
  •  Synthesis and Biological Evaluation of Tubulysins and Their Analogues. Taku Shibue, Iwao Okamoto, Nobuyoshi Morita, Hiroshi Morita, Yusuke Hirasawa, Takahiro Hosoya, Osamu Tamura, AIMECS 11, Tokyo, Japan, 2011/11/29〜2011/12/02
  •  Synthesis and conformational analysis of macrocyclic cis-amides bearing pyridines Iwao Okamoto, Rempei Yoshioka, Masayuki Terashima, Nobuyoshi Morita, Osamu Tamura, Hyuma Masu, Isao Azumaya 6th International Symposium on Macrocyclic & Supramolecular Chemistry Brighton, UK 2011/07/03〜2011/07/07

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