北川 理

研究成果

年別の研究成果 1985 2021

• 4754 被引用数
• 43 h-index
• 163 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

• Article

  Diastereoselective iodocarbocyclization of 4-pentenylmalonate derivatives: Application to cyclosarkomycin synthesis

  Kitagawa, O., Inoue, T. & Taguchi, T., 1994 2 14, In: Tetrahedron Letters. 35, 7, p. 1059-1062 4 p.

  研究成果: Article › 査読

  • Stereoelectronic Effect 100%
  • Diastereoselectivity 72%
  • Application 22%
  25 被引用数 (Scopus)

• Diastereoselective Iodocarbocyclization of 4-Pentenylmalonate Derivatives: Application to Cyclosarkomycin Synthesis.

  Kitagawa, O., Inoue, T. & Taguchi, T., 1994 3 1, In: Tetrahedron Lett.. 35, p. 1059-1062

  研究成果: Article › 査読

  25 被引用数 (Scopus)

• Diastereoselective iodocarbocyclization reaction of 2- or 3-oxy-4-pentenylmalonate derivatives

  Inoue, T., Kitagawa, O., Oda, Y. & Taguchi, T., 1996 11 15, In: Journal of Organic Chemistry. 61, 23, p. 8256-8263 8 p.

  研究成果: Article › 査読

  • Brefeldin A 100%
  • Diastereoselectivity 61%
  • Purity 31%
  • Catalyst 25%
  • Application 19%
  25 被引用数 (Scopus)

• Diastereoselective Iodocarbocyclization Reaction of 2- or 3-Oxy-4-pentenylmalonate Derivatives.

  Inoue, T., Kitagawa, O., Oda, Y. & Taguchi, T., 1996 10 1, In: J. Org. Chem.. 61, p. 8256-8263

  研究成果: Article › 査読

  25 被引用数 (Scopus)

• Diastereoselective iodocarbocyclization reaction of 8-phenylmenthyl allylmalonate: An efficient preparation of a synthetic intermediate of cyclopropane amino acids

  Inoue, T., Kitagawa, O., Ochiai, O. & Taguchi, T., 1995 3, In: Tetrahedron: Asymmetry. 6, 3, p. 691-692 2 p.

  研究成果: Article › 査読

  • cyclopropane 100%
  • Amino acids 80%
  • amino acids 77%
  • esters 76%
  • Esters 73%
  26 被引用数 (Scopus)

• Diastereoselective Iodocarbocyclization Reaction of 8-Phenylmenthyl Allylmalonate: An Efficient Preparation of a Synthetic Intermediate of Cyclopropane Amino Acids.

  Inoue, T., Kitagawa, O., Ochiai, O. & Taguchi, T., 1995 3 15, In: Tetrahedron: Asymmetry. 6, p. 691-692

  研究成果: Article › 査読

  26 被引用数 (Scopus)

• Diastereoselective α-Alkylation of Metallo Enamines Generated from N-C Axially Chiral Mebroqualone Derivatives

  Matsuoka, M., Goto, M., Wzorek, A., Soloshonok, V. A. & Kitagawa, O., 2017 5 19, In: Organic Letters. 19, 10, p. 2650-2653 4 p.

  研究成果: Article › 査読

  • alkylation 100%
  • Alkylation 79%
  • Enamine 67%
  • halides 64%
  • chirality 64%
  11 被引用数 (Scopus)

• Diastereoselective α-iodination reaction of 4-alkenylamide having a β-chiral center

  Okada, M., Kitagawa, O., Hanano, T. & Taguchi, T., 1997 5 19, In: Tetrahedron. 53, 20, p. 6825-6834 10 p.

  研究成果: Article › 査読

  • Halogenation 100%
  • Ketene 82%
  • ketene 76%
  • Acetals 63%
  4 被引用数 (Scopus)

• Diels-Alder reaction of N-allylic enamides and lactam derivatives through iodine mediated activation

  Kitagawa, O., Aoki, K., Inoue, T. & Taguchi, T., 1995 1 23, In: Tetrahedron Letters. 36, 4, p. 593-596 4 p.

  研究成果: Article › 査読

  • Lewis Acids 100%
  • Cycloaddition Reaction 85%
  • Iodolactonization 82%
  • Lactams 73%
  • Enamide 68%
  23 被引用数 (Scopus)

• Diels-Alder Reaction of N-Allylic Enamides and Lactam Derivatives through Iodine-mediated Activation.

  Kitagawa, O., Aoki, K., Inoue, T. & Taguchi, T., 1995 2 15, In: Tetrahedron Lett.. 36, p. 593-596

  研究成果: Article › 査読

  23 被引用数 (Scopus)

• Effect of Ti(Oi-Pr)4 on Stereoselectiviy of Halocyclization of 2-Substituted 4-Pentenoic Acid and 4-Penten-1-ol.

  Kitagawa, O., Sato, T. & Taguchi, T., 1991 1 10, In: Chem. Lett.. p. 177-180

  研究成果: Article › 査読

• Efficient synthesis of optically active atropisomeric anilides through catalytic asymmetric N-arylation reaction

  Kitagawa, O., Takahashi, M., Yoshikawa, M. & Taguchi, T., 2005 3 23, In: Journal of the American Chemical Society. 127, 11, p. 3676-3677 2 p.

  研究成果: Article › 査読

  • Enantioselectivity 100%
  • Lactams 93%
  • Anilides 89%
  • Anilide 64%
  • palladium(II) acetate 60%
  91 被引用数 (Scopus)

• Efficient Synthesis of Optically Active Atropisomeric Anilides through Catalytic Asymmetric N-Arylation Reaction.

  Kitagawa, O., Takahashi, M., Yoshikawa, M. & Taguchi, T., 2005 3 1, In: J. Am. Chem. Soc.. 127, p. 3676-3677

  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. I., Fushimi, Y. & Taguchi, T., 1999 12 10, In: Tetrahedron Letters. 40, 50, p. 8827-8831 5 p.

  研究成果: Article › 査読

  • Amides 100%
  • oxalyl chloride 64%
  • pantolactone 60%
  • Amide 60%
  • (R)-Pantolactone 49%
  51 被引用数 (Scopus)

• 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)

• 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

• 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%
  65 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

  65 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%
  28 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

  28 被引用数 (Scopus)

• 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%
  17 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

• 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%
  111 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

  111 被引用数 (Scopus)

• 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 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

• 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)

• 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 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 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 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 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

  28 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 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)

• 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)

• 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%
  30 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

• 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%
  30 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

• 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%
  61 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

  61 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 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., 1996 8 1, In: Default journal. Reviews on Heteroato, p. 15-243

  研究成果: Article › 査読

• 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)

• 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 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 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)

• 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

• 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%
  13 被引用数 (Scopus)