北川 理

研究成果

年別の研究成果 1985 1995 1997 1998 1999 2012 2021

• 4899 被引用数
• 43 h-index
• 166 Article
• 3 Review article
• 2 Comment/debate

年別の研究成果

年別の研究成果

検索結果

• Radical Cascade Reaction with 1,4-Dienes and 1,4-Enynes using 2-(Iodomethyl)cyclopropane-1,1-dicarboxylate as a Homoallyl Radical Precursor: One-step Synthesis of Bicyclo[3.3.0]octane Derivatives.

  Kitagawa, O., Yamada, Y., Sugawara, A. & Taguchi, T., 2002 3 19, In: Org. Lett.. 4, p. 1011-1013

  研究成果: Article › 査読

  21 被引用数 (Scopus)

• Radical cascade reaction with 1,4-dienes and 1,4-enynes using 2-(iodomethyl)cyclopropane-1,1-dicarboxylate as a homoallyl radical precursor: One-step synthesis of bicyclo[3.3.0]octane derivatives

  Kitagawa, O., Yamada, Y., Sugawara, A. & Taguchi, T., 2002 3 21, In: Organic Letters. 4, 6, p. 1011-1013 3 p.

  研究成果: Article › 査読

  • octane 100%
  • cyclopropane 98%
  • dienes 85%
  • octanes 77%
  • Iodine Atom 76%
  21 被引用数 (Scopus)

• Radical [3+2] Cycloaddition Reaction with Various Alkenes Using Iodomethylcyclopropane Derivatives as New Homoallyl Radical Precursors.

  Kitagawa, O., Yamada, Y., Fujiwara, H. & Taguchi, T., 2002 1 30, In: J. Org. Chem. 67, p. 922-927

  研究成果: Article › 査読

  24 被引用数 (Scopus)

• Radical [3 + 2] cycloaddition reaction with various alkenes using iodomethylcyclopropane derivatives as new homoallyl radical precursors

  Kitagawa, O., Yamada, Y., Fujiwara, H. & Taguchi, T., 2002 2 8, In: Journal of Organic Chemistry. 67, 3, p. 922-927 6 p.

  研究成果: Article › 査読

  • Iodine Atom 100%
  • Cyclopentane 96%
  • Cyclopropane 85%
  • Cycloaddition 67%
  • Alkene 56%
  24 被引用数 (Scopus)

• Radical [3+2] Cycloaddition Reaction with Alkenes using Dimethyl 2-Iodomethylcyclopropane-1,1-dicarboxylate as a New Homoallyl Radical Precursor.

  Kitagawa, O., Fujiwara, H. & Taguchi, T., 2001 3 31, In: Tetrahedron Lett.. 42, p. 2165-2167

  研究成果: Article › 査読

• Radical [3+2]-cycloaddition reaction with alkenes using dimethyl 2-(iodomethyl)cyclopropane-1,1-dicarboxylate as a new homoallyl radical precursor

  Kitagawa, O., Fujiwara, H. & Taguchi, T., 2001 3 11, In: Tetrahedron Letters. 42, 11, p. 2165-2167 3 p.

  研究成果: Article › 査読

  • Cyclopentanes 100%
  • Cycloaddition Reaction 95%
  • cyclopropane 93%
  • Alkenes 89%
  • Iodine Atom 72%
  16 被引用数 (Scopus)

• Possible Case of Halogen Bond-Driven Self-Disproportionation of Enantiomers (SDE) via Achiral Chromatography

  Terada, S., Hirai, M., Honzawa, A., Kitagawa, O., Kamizela, A., Wzorek, A. & Soloshonok, V. A., 2017 10 17, In: Chemistry - A European Journal. 23, 58, p. 14631-14638 8 p.

  研究成果: Article › 査読

  • Enantiomers 100%
  • Chromatography 77%
  • Halogen 50%
  • Enantiomer 44%
  • Chirality 44%
  11 被引用数 (Scopus)

• Optically Active Axially Chiral Anilide and Maleimide Derivatives as New Chiral Reagents: Synthesis and Application to Asymmetric Diels-Alder Reaction.

  Kitagawa, O., Izawa, H., Sato, K., Dobashi, A. & Taguchi, T., 1998 3 15, In: J. Org. Chem.. 63, p. 2634-2640

  研究成果: Article › 査読

  130 被引用数 (Scopus)

• Optically Active Axially Chiral Anilide and Maleimide Derivatives as New Chiral Reagents: Synthesis and Application to Asymmetric Diels-Alder Reaction

  Kitagawa, O., Izawa, H., Sato, K., Dobashi, A., Taguchi, T. & Shiro, M., 1998 4 17, In: Journal of Organic Chemistry. 63, 8, p. 2634-2640 7 p.

  研究成果: Article › 査読

  • Chiral Reagent 100%
  • Anilide 87%
  • Maleimide 77%
  • Diels-Alder Reaction 64%
  • Absolute Configuration 62%
  129 被引用数 (Scopus)

• N−C Axially Chiral Anilines: Electronic Effect on Barrier to Rotation and A Remote Proton Brake

  Iwasaki, Y., Morisawa, R., Yokojima, S., Hasegawa, H., Roussel, C., Vanthuyne, N., Caytan, E. & Kitagawa, O., 2018 3 20, In: Chemistry - A European Journal. 24, 17, p. 4453-4458 6 p.

  研究成果: Article › 査読

  • Aniline 100%
  • Rotational Barrier 81%
  • Protons 77%
  • Electrons 64%
  • Brakes 61%
  13 被引用数 (Scopus)

• Notable Structural Property of 2,4,6-Tri-tert-butylanilide Enolates: Interconversion between the Rotamers and Their Reactivity

  Ohnishi, Y., Sakai, M., Nakao, S. & Kitagawa, O., 2011 5 20, In: Organic Letters. 13, p. 2840-2843

  研究成果: Article › 査読

  8 被引用数 (Scopus)

• Notable structural property of 2,4,6-Tri- tert -butylanilide enolates: Interconversion between the rotamers and their reactivity

  Ohnishi, Y., Sakai, M., Nakao, S. & Kitagawa, O., 2011 6 3, In: Organic Letters. 13, 11, p. 2840-2843 4 p.

  研究成果: Article › 査読

  • Anilides 100%
  • Rotamer 64%
  • Lithium 60%
  • reactivity 55%
  • lithium 49%
  8 被引用数 (Scopus)

• N-C Axially Chiral Compounds with an ortho-Fluoro Substituent and Steric Discrimination between Hydrogen and Fluorine Atoms Based on a Diastereoselective Model Reaction

  Iida, A., Matsuoka, M., Hasegawa, H., Vanthuyne, N., Farran, D., Roussel, C. & Kitagawa, O., 2019 3 15, In: Journal of Organic Chemistry. 84, 6, p. 3169-3175 7 p.

  研究成果: Article › 査読

  • Diastereoselectivity 100%
  • Hydrogen Atom 87%
  • Fluorine Atom 87%
  • Atropisomer 69%
  • Allylation 58%
  11 被引用数 (Scopus)

• NaH-mediated Iodoaziridination Reaction of N-Allylic Tosylamides.

  Kitagawa, O., Suzuki, T. & Taguchi, T., 1997 11 15, In: Tetrahedron Lett. 38, p. 8371-8374

  研究成果: Article › 査読

  14 被引用数 (Scopus)

• NaH-mediated iodoaziridination reaction of N-allylic tosylamides

  Kitagawa, O., Suzuki, T. & Taguchi, T., 1997 12 1, In: Tetrahedron Letters. 38, 48, p. 8371-8374 4 p.

  研究成果: Article › 査読

  • Reaction Yield 100%
  14 被引用数 (Scopus)

• Michael Addition of 2,2-Difluoroketene Silyl Acetal. Preparation of 4,4-Difluoroglutamic Acid and 5,5-Difluorolysine.

  Kitagawa, O., Hashimoto, A., Kobayashi, Y. & Taguchi, T., 1990 8 10, In: Chem. Lett.. p. 1307-1310

  研究成果: Article › 査読

• Ionic Iodocarbocyclization Reactions of 4-Alkenyl- and 4-Alkynylmalonate Derivatives.

  Kitagawa, O., Inoue, T., Hirano, K. & Taguchi, T., 1993 3 1, In: J. Org. Chem.. 58, p. 3106-3112

  研究成果: Article › 査読

  56 被引用数 (Scopus)

• Ionic Iodocarbocyclization Reactions of 4-Alkenyl- and 4-Alkynylmalonate Derivatives

  Kitagawa, O., Inoue, T., Hirano, K. & Taguchi, T., 1993 1 1, In: Journal of Organic Chemistry. 58, 11, p. 3106-3112 7 p.

  研究成果: Article › 査読

  • Cyclopentane 100%
  • Cyclization Reaction 61%
  • Spiro Compound 58%
  • Lactone 39%
  • Regioselectivity 38%
  56 被引用数 (Scopus)

• Ionic Iodocarbocyclization Reaction.

  Kitagawa, O., Inoue, T. & Taguchi, T., 1992 3 1, In: Tetrahedron Lett. 33, p. 2167-2170

  研究成果: Article › 査読

  36 被引用数 (Scopus)

• Ionic iodocarbocyclization reaction

  Kitagawa, O., Inoue, T. & Taguchi, T., 1992 4 14, In: Tetrahedron Letters. 33, 16, p. 2167-2170 4 p.

  研究成果: Article › 査読
  36 被引用数 (Scopus)

• Iodocarbocyclization Reaction.

  Kitagawa, O., Inoue, T. & Taguchi, T., 1996 8 1, In: Default journal. Reviews on Heteroato, p. 15-243

  研究成果: Article › 査読

• Iodocarbocyclization reaction

  Taguchi, T., Kitagawa, O. & Inoue, T., 1995, In: Yuki Gosei Kagaku Kyokaishi/Journal of Synthetic Organic Chemistry. 53, 9, p. 770-779 10 p.

  研究成果: Article › 査読

  Open Access

  • Enantioselectivity 100%
  • Cyclopentane 69%
  • Nucleophile 49%
  • Reaction Yield 46%
  • Double Bond 44%
  9 被引用数 (Scopus)

• Iodocarbocyclization reaction

  Kitagawa, O., Inoue, T. & Taguchi, T., 1997 12 1, In: Reviews on Heteroatom Chemistry. 15, p. 243-262 20 p.

  研究成果: Article › 査読

  • Enantioselectivity 100%
  • Cyclopentane 69%
  • Nucleophile 49%
  • Reaction Yield 46%
  • Double Bond 44%
  20 被引用数 (Scopus)

• Iodocarbocyclization and Iodoaminocyclization Reactions mediated by a Metallic Reagent.

  Kitagawa, O. & Taguchi, T., 1999 8 1, In: Synlett. p. 1191-1199

  研究成果: Article › 査読

  65 被引用数 (Scopus)

• Iodocarbocyclization and iodoaminocyclization reactions mediated by a metallic reagent

  Kitagawa, O. & Taguchi, T., 1999 1 1, In: Synlett. 8, p. 1191-1199 9 p.

  研究成果: Article › 査読

  • Amide 100%
  • Nucleophile 81%
  • Alkenyl Group 69%
  • Enantioselectivity 40%
  • Catalysis 30%
  65 被引用数 (Scopus)

• Iodocarbocyclization and Intramolecular Carbometalation Strategies for Carbocycles.

  Kitagawa, O. & Taguchi, T., 2002 1 11, In: My Favorite Organic Synthesis. p. 202-203

  研究成果: Article › 査読

• Iodoaziridine derivatives as novel azahomoallyl radical precursors for [3+2] cycloaddition reactions with alkenes

  Kitagawa, O., Yamada, Y., Fujiwara, H. & Taguchi, T., 2001 10 15, In: Angewandte Chemie - International Edition. 40, 20, p. 3865-3867 3 p.

  研究成果: Article › 査読

  • Cycloaddition 100%
  • Olefins 59%
  • Pyrrolidine 53%
  • Derivatives 40%
  • Alkene 35%
  31 被引用数 (Scopus)

• Iodine Atom Transfer [3+2] Cycloaddition Reaction with Electron-rich Alkenes using N-Tosyl Iodoaziridine Derivatives as Novel Azahomoallyl Radical Precursors.

  Kitagawa, O., Miyaji, S., Yamada, Y., Fujiwara, H. & Taguchi, T., 2003 2 1, In: J. Org. Chem.. 68, p. 3184-3189

  研究成果: Article › 査読

• Iodine atom transfer [3 + 2] cycloaddition reaction with electron-rich alkenes using N-tosyliodoaziridine derivatives as novel azahomoallyl radical precursors

  Kitagawa, O., Miyaji, S., Yamada, Y., Fujiwara, H. & Taguchi, T., 2003 4 18, In: Journal of Organic Chemistry. 68, 8, p. 3184-3189 6 p.

  研究成果: Article › 査読

  • Iodine Atom 100%
  • Cycloaddition 67%
  • Alkene 56%
  • Enol Ether 32%
  • Ketene 29%
  31 被引用数 (Scopus)

• Iodine Atom Transfer [3+2] Cycloaddition Reaction with Alkenes Using Unsymmetrical Allylated Active Methine Radicals.

  Kitagawa, O., Miyaji, S., Sakuma, C. & Taguchi, T., 2004 3 1, In: J. Org. Chem.. 69, p. 2607-2610

  研究成果: Article › 査読

  10 被引用数 (Scopus)

• Intramolecular Diels-Alder Reaction of N-Allyl 2-Furoyl Amides: Effect of Steric Strain and Amide Rotational Isomerism

  Nakamura, M., Takahashi, I., Yamada, S., Dobashi, Y. & Kitagawa, O., 2011 1 1, In: Tetrahedron Lett. 52, p. 53-55

  研究成果: Article › 査読

  20 被引用数 (Scopus)

• Intramolecular Diels-Alder reaction of N-allyl 2-furoyl amides: Effect of steric strain and amide rotational isomerism

  Nakamura, M., Takahashi, I., Yamada, S., Dobashi, Y. & Kitagawa, O., 2011 1 5, In: Tetrahedron Letters. 52, 1, p. 53-55 3 p.

  研究成果: Article › 査読

  • Cycloaddition Reaction 100%
  • Isomerism 97%
  • Diels-Alder Intramolecular Cycloaddition 77%
  • Amides 71%
  • Amide 42%
  20 被引用数 (Scopus)

• Intramolecular Carbotitanation Reaction of Active Methine Compounds Having an Unactivated Alkyne Mediated by TiCl4-Et3N.

  Kitagawa, O., Suzuki, T., Inoue, T. & Taguchi, T., 1998 9 1, In: Tetrahedron Lett.. 39, p. 7357-7360

  研究成果: Article › 査読

  29 被引用数 (Scopus)

• Intramolecular carbotitanation reaction of active methine compounds having an unactivated alkyne mediated by TiCl₄-Et₃N

  Kitagawa, O., Suzuki, T., Inoue, T. & Taguchi, T., 1998 10 1, In: Tetrahedron Letters. 39, 40, p. 7357-7360 4 p.

  研究成果: Article › 査読

  • titanium tetrachloride 100%
  • Alkynes 82%
  • Alkyne 43%
  • Reaction Yield 20%
  28 被引用数 (Scopus)

• Intramolecular carbostannation reaction of active methine compounds with an unactivated C-C π-bond mediated by SnCl₄-Et₃N

  Kitagawa, O., Fujiwara, H., Suzuki, T., Taguchi, T. & Shiro, M., 2000 10 20, In: Journal of Organic Chemistry. 65, 21, p. 6819-6825 7 p.

  研究成果: Article › 査読

  • Alkenyl Group 100%
  • Cyclopentane 82%
  • Electrophile 67%
  • Regioselectivity 63%
  • Cyclohexane 60%
  41 被引用数 (Scopus)

• Intramolecular Carbostannation Reaction of Active Methine Compounds with an Unactivated C-C -Bond Mediated by SnCl4-Et3N.

  Kitagawa, O., Fujiwara, H., Suzuki, T., Taguchi, T. & Shiro, M., 2000 9 1, In: J. Org. Chem.. 65, p. 6819-6825

  研究成果: Article › 査読

• Intramolecular Carbostannation Reaction of Active Methine Compounds Having an Allenyl Group Mediated by SnCl4-Et3N.

  Kitagawa, O., Suzuki, T., Fujiwara, H. & Taguchi, T., 1999 3 30, In: Tetrahedron Lett.. 40, p. 2549-2552

  研究成果: Article › 査読

  17 被引用数 (Scopus)

• Intramolecular carbostannation reaction of active methine compounds having an allenyl group mediated by SnCl₄-Et₃N

  Kitagawa, O., Suzuki, T., Fujiwara, H. & Taguchi, T., 1999 3 26, In: Tetrahedron Letters. 40, 13, p. 2549-2552 4 p.

  研究成果: Article › 査読

  • stannic chloride 100%
  • cyclohexene 86%
  • Cyclopentanes 83%
  • Cyclopentene 59%
  • Cyclohexene 49%
  17 被引用数 (Scopus)

• Highly Selective Stereodivergent Synthesis of Separable Amide Rotamers Using Pd Chemistry and Their Thermodynamic Behaviors.

  Ototake, N., Nakamura, M., Dobashi, Y., Fukaya, H. & Kitagawa, O., 2009 5 1, In: Chem. Eur. J.. 15, p. 5090-5095

  研究成果: Article › 査読

• Highly selective stereodivergent synthesis of separable amide rotamers, by using Pd chemistry, and their thermodynamic behavior

  Ototake, N., Nakamura, M., Dobashi, Y., Fukaya, H. & Kitagawa, O., 2009 5 11, In: Chemistry - A European Journal. 15, 20, p. 5090-5095 6 p.

  研究成果: Article › 査読

  • Allylation 100%
  • Amides 61%
  • Rotamer 47%
  • Anilide 39%
  • Thermodynamics 35%
  15 被引用数 (Scopus)

• Highly Enantioselective Synthesis of Atropisomeric Anilide Derivatives through Catalytic Asymmetric N-Arylation: Conformational Analysis and Application to Asymmetric Enolate Chemistry.

  Kitagawa, O., Yoshikawa, M., Tanabe, H., Morita, T., Takahashi, M., Dobashi, Y. & Taguchi, T., 2006 9 7, In: J. Am. Chem. Soc.. 128, p. 12923-12931

  研究成果: Article › 査読

  113 被引用数 (Scopus)

• Highly enantioselective synthesis of atropisomeric anilide derivatives through catalytic asymmetric N-arylation: Conformational analysis and application to asymmetric enolate chemistry

  Kitagawa, O., Yoshikawa, M., Tanabe, H., Morita, T., Takahashi, M., Dobashi, Y. & Taguchi, T., 2006 10 4, In: Journal of the American Chemical Society. 128, 39, p. 12923-12931 9 p.

  研究成果: Article › 査読

  • Lactams 100%
  • Anilides 95%
  • Anilide 68%
  • Enantioselectivity 53%
  • Amination 50%
  113 被引用数 (Scopus)

• Highly Enantioselctive Synthesis of Atropisomeric Lactams through Catalytic Asymmetric Buchwald-Hartwig Amination

  Kitagawa, O., Tanabe, H. & Taguchi, T., 2007 8 23, In: Default journal.

  研究成果: Article › 査読

• Enantioselective synthesis of N–C axially chiral indoles through chiral palladium-catalyzed 5-endo-hydroaminocyclization

  Morimoto, Y., Shimizu, S., Mokuya, A., Ototake, N., Saito, A. & Kitagawa, O., 2016, In: Tetrahedron. 72, 34, p. 5221-5229 9 p.

  研究成果: Article › 査読

  • Aniline Compounds 100%
  • Indoles 88%
  • Palladium 84%
  • indole 72%
  • Chirality 51%
  20 被引用数 (Scopus)

• Enantioselective Iodocarbocyclization of 4-Alkenylmalonate Derivatives Using a Chiral Titanium Complex.

  Inoue, T., Kitagawa, O., Kurumi, S., Ochiai, O. & Taguchi, T., 1995 2 15, In: Tetrahedron Lett.. 36, p. 1479-1482

  研究成果: Article › 査読

  29 被引用数 (Scopus)

• Enantioselective iodocarbocyclization of 4-alkenylmalonate derivatives using a chiral titanium complex

  Inoue, T., Kitagawa, O., Kurumizawa, S., Ochiai, O. & Taguchi, T., 1995 2 27, In: Tetrahedron Letters. 36, 9, p. 1479-1482 4 p.

  研究成果: Article › 査読

  • Cyclopentanes 100%
  • Cyclopentane 69%
  • Titanium 59%
  • Enantiomer 44%
  29 被引用数 (Scopus)

• Enantioselective Halocyclization Reaction using a Chiral Titanium Complex.

  Kitagawa, O., Hanano, T., Tanabe, K., Shiro, M. & Taguchi, T., 1992 5 15, In: Chem. Commun.. p. 1005-1007

  研究成果: Article › 査読

  69 被引用数 (Scopus)

• Enantioselective halocyclization reaction using a chiral titanium complex

  Kitagawa, O., Hanano, T., Tanabe, K., Shiro, M. & Taguchi, T., 1992 12 1, In: Journal of the Chemical Society, Chemical Communications. 14, p. 1005-1007 3 p.

  研究成果: Article › 査読

  • glycolic acid 100%
  • Titanium 73%
  • Acids 64%
  • Acid 24%
  69 被引用数 (Scopus)

• Enantiomer Enrichment of Non-racemic Chiral Amine Derivatives through Achiral Chromatography

  Tateishi, K., Nakamura, T., Tsukagoshi, S. & Kitagawa, O., 2012 5 17, In: Default journal.

  研究成果: Article › 査読

• Efficient Synthesis of Various Atropisomeric Amides in Optically Pure Forms and Their Application to Asymmetric Reactions.

  Kitagawa, O., Momose, S., Fushimi, Y. & Taguchi, T., 1999 10 30, In: Tetrahedron Lett.. 40, p. 8827-8831

  研究成果: Article › 査読

  51 被引用数 (Scopus)