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Osamu Tamura

Showa Pharmaceutical University

38H指数
309论文数
4.2K被引数
收录论文 41
发表时间
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Pd/Tl Bimetal-Catalyzed C3(5)–H Activation of Pyridine Derivatives Enables Access to Pyridine-Fused Benzophospholes and Their Transformation into Seven-Membered Phosphepines
errOrganic Letters
IF5
err2026-01-21
err0
PREAI
errTakahiro Yamada; Tatsuya Sakaguchi; Yoshimitsu Hashimoto; Nobuyoshi Morita; Osamu Tamura; Norihiko Takeda; Masafumi Ueda
err分享
err收藏
Regioselectivity Inversion in the Cycloaddition Reaction between Stable Nitrile Oxides and Acylalkyne Derivatives
errCHEMICAL & PHARMACEUTICAL BULLETIN
IF1.3
err2025-11-01
err0
PREAI
errMaeda, Yuki; Hashimoto, Yoshimitsu; Aoki, Ryo; Kimura, Nozomi; Tanaka, Kosaku; Tamura, Osamu; Morita, Nobuyoshi
err分享
err收藏
Hetero Cope-Type Hydroamination of Hetero-Allenes with Oximes Having Olefin Moieties Leading to Nitrones, Causing Intramolecular Cycloaddition
errJOURNAL OF ORGANIC CHEMISTRY
IF3.6
err2024-09-10
err0
PREAI
errIde, Yosuke; Matsuda, Naoto; Osada, Mei; Yamamoto, Ayaka; Tanaka III, Kosaku; Hashimoto, Yoshimitsu; Morita, Nobuyoshi; Tamura, Osamu
err分享
err收藏
An Efficient Stereoselective Synthesis of cis-2,6-Disubstituted Tetrahydropyrans via Gold-Catalyzed Meyer-Schuster Rearrangement/Hydration/oxa-Michael Addition Sequence通过金催化的meyer-schuster重排/水合/oxa-迈克尔加成序列高效立体选择性合成cis-2，6-二取代的四氢吡喃
errCATALYSTS
IF4
err2024-03-29
err1
errOAAI
errMorita, Nobuyoshi; Yamashita, Daichi; Hashimoto, Yoshimitsu; Tamura, Osamu
err分享
err收藏
Gold(III)-Catalyzed Propargylic Substitution Reaction Followed by Cycloisomerization for Synthesis of Poly-Substituted Furans from N-Tosylpropargyl Amines with 1,3-Dicarbonyl Compounds
errMOLECULES
IF4.6
err2024-01-11
err1
errOAAI
errMorita, Nobuyoshi; Uchida, Shingo; Chiaki, Hitomi; Ishii, Naho; Tanikawa, Kentaro; Tanaka, Kosaku; Hashimoto, Yoshimitsu; Tamura, Osamu
err分享
err收藏
Intermolecular 1,3-Dipolar Cycloaddition Reaction of N-Carbamoyl Nitrones Generated by N-Selective Carbamoylation of Oximes with Isocyanates肟与异氰酸酯的N-选择性氨基甲酰化生成的N-氨基甲酰基硝酮的分子间1，3-偶极环加成反应
errCHEMISTRY-A EUROPEAN JOURNAL
IF3.7
err2023-12-21
err2
PREAI
errYamamoto, Ayaka; Tanaka, Kosaku; Hashimoto, Yoshimitsu; Morita, Nobuyoshi; Tamura, Osamu
err分享
err收藏
Direct Generation of N-Alkoxycarbonyl Nitrones from Oximes: Intramolecular Cycloaddition of Oximes Having Alkene Moieties
errADVANCED SYNTHESIS & CATALYSIS
IF4
err2023-10-18
err3
PREAI
errSagara, Hiroto; Suzuki, Yoshio; Morita, Nobuyoshi; Ban, Shintaro; Tanaka, Kosaku; Yamamoto, Ayaka; Hashimoto, Yoshimitsu; Tamura, Osamu
err分享
err收藏
Electrophilic C3-H Alkenylation of 2,6-Dialkoxypyridine Derivatives via Pd(II)/Tl(III) Reaction System
errADVANCED SYNTHESIS & CATALYSIS
IF4
err2023-08-10
err1
errOAAI
errYamada, Takahiro; Tanaka, Kosaku; Hashimoto, Yoshimitsu; Morita, Nobuyoshi; Tamura, Osamu
err分享
err收藏
Synthesis of N-Aryl Isoxazolidines by Photo-Promoted N-Selective Arylation of Oximes and Cyclization Using Hypervalent Iodine Reagents and Copper Catalyst
errADVANCED SYNTHESIS & CATALYSIS
IF4
err2023-04-26
err4
PREAI
errTanaka, Kosaku; Yoshida, Mayumi; Yamamoto, Ayaka; Hashimoto, Yoshimitsu; Morita, Nobuyoshi; Tamura, Osamu
err分享
err收藏
Directing-Group-Free Palladium-Catalyzed C-H Arylation of Aldoxime Using Oxime's Umpolung Properties
errORGANIC LETTERS
IF5
err2022-12-05
err3
PREAI
errTanaka, Kosaku, III; Hashimoto, Yoshimitsu; Morita, Nobuyoshi; Tamura, Osamu
err分享
err收藏
Palladium(II)-Catalyzed Substituted Pyridine Synthesis from α,β-Unsaturated Oxime Ethers via a C-H Alkenylation/Aza-6π-Electrocyclization Approach
errORGANIC LETTERS
IF5
err2021-02-10
err26
PREAI
errYamada, Takahiro; Hashimoto, Yoshimitsu; Tanaka, Kosaku, III; Morita, Nobuyoshi; Tamura, Osamu
err分享
err收藏
Thioether Ligand-Enabled Cationic Palladium(II)-Catalyzed Electrophilic C-H Arylation of α,β-Unsaturated Oxime Ethers
errJOURNAL OF ORGANIC CHEMISTRY
IF3.6
err2020-08-26
err11
PREAI
errYamada, Takahiro; Hashimoto, Yoshimitsu; Tanaka, Kosaku, III; Morita, Nobuyoshi; Tamura, Osamu
err分享
err收藏
Inverse-Electron-Demand oxa-Diels-Alder Reactions of α-Keto-β,γ-unsaturated Esters and α,β-Unsaturated Hydrazones
errORGANIC LETTERS
IF5
err2019-05-29
err15
PREAI
errHashimoto, Yoshimitsu; Ikeda, Takanori; Ida, Ayako; Morita, Nobuyoshi; Tamura, Osamu
err分享
err收藏
Utilization of electron-donating α,β-unsaturated oximes: regioselective inverse 1,3-dipolar cycloaddition of nitrones
errCHEMICAL COMMUNICATIONS
IF4.2
err2017-01-01
err14
PREAI
errHashimoto, Yoshimitsu; Ishiwata, Hiromasa; Tachikawa, Soko; Ban, Shintaro; Morita, Nobuyoshi; Tamura, Osamu
err分享
err收藏
The kelvin redefinition and its mise en pratique
errPHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES
IF3.7
err2016-03-28
err50
errOAAI
errFellmuth, B.; Fischer, J.; Machin, G.; Picard, S.; Steur, P. P. M.; Tamura, O.; White, D. R.; Yoon, H.
err分享
err收藏
Gold(I)/(III)-Catalyzed Synthesis of Cyclic Ethers; Valency-Controlled Cyclization Modes
errORGANIC LETTERS
IF5
err2015-05-21
err39
PREAI
errMorita, Nobuyoshi; Yasuda, Arisa; Shibata, Motohiro; Ban, Shintaro; Hashimoto, Yoshimitsu; Okamoto, Iwao; Tamura, Osamu
err分享
err收藏
BF3-Mediated cis-Selective Cycloaddition of O-Silyloxime with Alkenes
errJOURNAL OF ORGANIC CHEMISTRY
IF3.6
err2015-04-22
err29
PREAI
errMorita, Nobuyoshi; Kono, Rina; Fukui, Kenji; Miyazawa, Asuka; Masu, Hyuma; Azumaya, Isao; Ban, Shintaro; Hashimoto, Yoshimitsu; Okamoto, Iwao; Tamura, Osamu
err分享
err收藏
Establishment of Relative and Absolute Configurations of Phaeosphaeride A: Total Synthesis of ent-Phaeosphaeride A
errJOURNAL OF ORGANIC CHEMISTRY
IF3.6
err2015-01-07
err22
PREAI
errKobayashi, Kenichi; Kobayashi, Yukiko; Nakamura, Misato; Tamura, Osamu; Kogen, Hiroshi
err分享
err收藏
Total Syntheses of Tubulysins
errCHEMISTRY-A EUROPEAN JOURNAL
IF3.7
err2010-08-23
err74
PREAI
errShibue, Taku; Hirai, Toshihiro; Okamoto, Iwao; Morita, Nobuyoshi; Masu, Hyuma; Azumaya, Isao; Tamura, Osamu
err分享
err收藏
A Flexible Approach to Grandisine Alkaloids: Total Synthesis of Grandisines B, D, and F一种灵活的葛兰素生物碱方法: 葛兰素B，D和F的全合成
errCHEMISTRY-A EUROPEAN JOURNAL
IF3.7
err2009-11-18
err29
PREAI
errKurasaki, Haruaki; Okamoto, Iwao; Morita, Nobuyoshi; Tamura, Osamu
err分享
err收藏

研究方向

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Kentaro Yamaguchi
H 指数: 89 · 论文数: 1.6K
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Y
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H 指数: 63 · 论文数: 916
H
Hiroyuki Kagechika
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J
Joachim Fischer
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