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Osamu Kitagawa

shibaura institute of technology

37H-index
243Paper Count
4.3KCitation Count
Published Papers 54
Publication Date
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Enantioselective Synthesis of C–N Atropisomeric Quinazolin-4-one Derivatives through a Chiral Isothiourea-Catalyzed Acylative Asymmetric Desymmetrization
errThe Journal of Organic Chemistry
IF3.6
err2026-06-04
err0
PREAI
errUtae Take; Kosuke Nakamura; Yuka Watanabe; Hibiki Saito; Yuxiang Wang; Azusa Sato; Osamu Kitagawa
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Front Cover: Bioactive CN Atropisomers (Chem. Rec. 4/2026)
errThe Chemical Record
IF0
err2026-04-28
err0
errOAAI
errYuxiang Wang; Osamu Kitagawa
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Investigation of Self-Disproportionation of Enantiomers via Column Chromatography (SDEvCC) Using 3-(ortho-Substituted-phenyl)quinazolin-4-one Derivatives
errSymmetry-Basel
IF2.2
err2026-04-21
err0
errOAAI
errImai, Tomomi; Terada, Shumpei; Kitagawa, Osamu; Kwiatkowska, Magdalena; Wzorek, Alicja; Soloshonok, Vadim A.
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Synthesis of Atropisomeric Quinazolin-4-one Derivatives Based on Remote H/D and 12C/13C Discrimination
errJOURNAL OF ORGANIC CHEMISTRY
IF3.6
err2024-12-27
err0
PREAI
errWatanabe, Yuka; Take, Utae; Senda, Ryunosuke; Sato, Azusa; Kitagawa, Osamu
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Structural Chemistry of C-N Axially Chiral Compounds
errJOURNAL OF ORGANIC CHEMISTRY
IF3.6
err2024-08-01
err4
PREAI
errKitagawa, Osamu
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errSave
Rotational Behavior about the N3-Pyridyl Bond in 3-(Pyridin-2-yl)quinazolin-4-one and 4-Thione Derivatives
errJOURNAL OF ORGANIC CHEMISTRY
IF3.6
err2024-07-22
err0
PREAI
errWang, Yuxiang; Yang, Yue; Homma, Daiki; Caytan, Elsa; Roussel, Christian; Sato, Azusa; Yanai, Hikaru; Kitagawa, Osamu
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Regio- and Stereoselective α-Allylation with Enolates Prepared from N-C Axially Chiral Thiolactam and Lactam
errJOURNAL OF ORGANIC CHEMISTRY
IF3.6
err2024-04-29
err0
PREAI
errSakagami, Tatsunori; Matsui, Ryosuke; Aoyama, Shohei; Niijima, Erina; Richards, Gary J.; Hori, Akiko; Kitagawa, Osamu
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Chirality Transfer Intramolecular Pauson-Khand Reaction with N-C Axially Chiral Sulfonamides Bearing an Ene-Yne Structure
errORGANIC LETTERS
IF5
err2023-10-02
err2
PREAI
errKasahara, Ryohei; Toyoda, Tatsuya; Fukasawa, Sota; Takeuchi, Aoi; Sato, Azusa; Hori, Akiko; Kitagawa, Osamu
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Synthesis of Isotopic Atropisomers Based on 12C/13C Discrimination
errJOURNAL OF ORGANIC CHEMISTRY
IF3.6
err2023-06-10
err4
PREAI
errSenda, Ryunosuke; Watanabe, Yuka; Miwa, Shota; Sato, Azusa; Kitagawa, Osamu
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Catalytic Enantioselective Synthesis of N-C Axially Chiral N-(2,6-Disubstituted-phenyl)sulfonamides through Chiral Pd-Catalyzed N-Allylation
errMOLECULES
IF4.6
err2022-11-13
err2
errOAAI
errFukasawa, Sota; Toyoda, Tatsuya; Kasahara, Ryohei; Nakamura, Chisato; Kikuchi, Yuuki; Hori, Akiko; Richards, Gary J.; Kitagawa, Osamu
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Asymmetric Synthesis of Isotopic Atropisomers based on ortho-CH3/CD3 Discrimination and Their Structural Properties
errJOURNAL OF ORGANIC CHEMISTRY
IF3.6
err2022-10-10
err6
PREAI
errMiwa, Shota; Senda, Ryunosuke; Saito, Kazuya; Sato, Azusa; Nakamura, Yuko; Kitagawa, Osamu
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Rotational Behavior of N-(5-Substituted-pyrimidin-2-yl)anilines: Relayed Electronic Effect in Two N-Ar Bond Rotations
errJOURNAL OF ORGANIC CHEMISTRY
IF3.6
err2022-06-03
err6
errOAAI
errHomma, Daiki; Taketani, Shuhei; Shirai, Takeshi; Caytan, Elsa; Roussel, Christian; Elguero, Jose; Alkorta, Ibon; Kitagawa, Osamu
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Intermolecular Halogen Bond Detected in Racemic and Optically Pure N-C Axially Chiral 3-(2-Halophenyl)quinazoline-4-thione Derivatives
errMOLECULES
IF4.6
err2022-04-06
err4
errOAAI
errMatsui, Ryosuke; Niijima, Erina; Imai, Tomomi; Kobayashi, Hiroyuki; Hori, Akiko; Sato, Azusa; Nakamura, Yuko; Kitagawa, Osamu
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Detection of Isotopic Atropisomerism Based on ortho-H/D Discrimination
errORGANIC LETTERS
IF5
err2021-09-13
err9
errOAAI
errSaito, Kazuya; Miwa, Shota; Iida, Asumi; Fujimoto, Yuuki; Caytan, Elsa; Roussel, Christian; Kitagawa, Osamu
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A unique method for highly enantioselective synthesis of N-C axially chiral compounds
errCHEM
IF19.6
err2021-07-01
err1
errOAAI
errKitagawa, Osamu
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errSave
Chiral Pd-Catalyzed Enantioselective Syntheses of Various N-C Axially Chiral Compounds and Their Synthetic Applications
errACCOUNTS OF CHEMICAL RESEARCH
IF17.7
err2021-01-22
err145
PREAI
errKitagawa, Osamu
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errSave
Thionation of Optically Pure N-C Axially Chiral Quinazolin-4-one Derivatives with Lawesson's Reagent
errJOURNAL OF ORGANIC CHEMISTRY
IF3.6
err2020-12-09
err9
PREAI
errNiijima, Erina; Imai, Tomomi; Suzuki, Hayate; Fujimoto, Yuuki; Kitagawa, Osamu
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Relayed Proton Brake in N-Pyridyl-2-iso-propylaniline Derivative: Two Brakes with One Proton
errJOURNAL OF ORGANIC CHEMISTRY
IF3.6
err2020-03-06
err8
errOAAI
errFurukawa, Gaku; Shirai, Takeshi; Homma, Yuki; Caytan, Elsa; Vanthuyne, Nicolas; Farran, Daniel; Roussel, Christian; Kitagawa, Osamu
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Catalytic Enantioselective Synthesis of N-C Axially Chiral Sulfonamides through Chiral Palladium-Catalyzed N-Allylation
errJOURNAL OF ORGANIC CHEMISTRY
IF3.6
err2019-05-22
err31
PREAI
errKikuchi, Yuki; Nakamura, Chisato; Matsuoka, Mizuki; Asami, Rina; Kitagawa, Osamu
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N-C Axially Chiral Compounds with an ortho-Fluoro Substituent and Steric Discrimination between Hydrogen and Fluorine Atoms Based on a Diastereoselective Model Reaction
errJOURNAL OF ORGANIC CHEMISTRY
IF3.6
err2019-02-08
err20
errOAAI
errIida, Asumi; Matsuoka, Mizuki; Hasegawa, Hiroshi; Vanthuyne, Nicolas; Farran, Daniel; Roussel, Christian; Kitagawa, Osamu
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Research Directions

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Co-authors
Cooperation Journals
J
José Elguero
H-index: 85 · Papers: 2.1K
M
Motoo Shiro
H-index: 84 · Papers: 1.1K
T
Takashi Suzuki
H-index: 81 · Papers: 672
V
Vadim A. Soloshonok
H-index: 81 · Papers: 667
I
Ibón Alkorta
H-index: 77 · Papers: 1.2K
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