北川 理

研究成果

年別の研究成果 1985 1995 1997 1998 1999 2012 2022

• 169 Article
• 4 Review article
• 2 Comment/debate

年別の研究成果

年別の研究成果

検索結果

• 1998

  Carbocyclization Reaction of Active Methine Compounds with Unactivated Alkenyl or Alkynyl Groups mediated by TiCl4-Et3N.

  Kitagawa, O., Suzuki, T., Inoue, T., Watanabe, Y. & Taguchi, T., 1998 11月 6, In: J. Org. Chem.. 63, p. 9470-9475

  研究成果 › 査読

  75 被引用数 (Scopus)

• Development of Synthetic Organic Reaction through the Formation of Halocyclization Intermediate as an Activating Method

  Kitagawa, O. & Taguchi, T., 1998, In: Yuki Gosei Kagaku Kyokaishi/Journal of Synthetic Organic Chemistry. 56, 8, p. 661-671 11 p.

  研究成果 › 査読

  Open Access

  • Organic Reaction 100%
  • Carboxamide 99%
  • Enamide 76%
  • Ether 58%
  • Diels-Alder Reaction 55%
  2 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月 1, In: Tetrahedron Letters. 39, 40, p. 7357-7360 4 p.

  研究成果 › 査読

  • titanium tetrachloride 100%
  • Alkynes 82%
  • Alkyne 43%
  • Reaction Yield 20%
  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 9月 1, In: Tetrahedron Lett.. 39, p. 7357-7360

  研究成果 › 査読

  29 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月 17, In: Journal of Organic Chemistry. 63, 8, p. 2634-2640 7 p.

  研究成果 › 査読

  • Chiral Reagent 100%
  • Anilide 87%
  • Maleimide 77%
  • Diels-Alder Reaction 64%
  • Absolute Configuration 62%
  132 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月 15, In: J. Org. Chem.. 63, p. 2634-2640

  研究成果 › 査読

  132 被引用数 (Scopus)

• T-BuOK-Mediated Iodoaziridination Reaction of N-Allylic Tosylamide Derivatives

  Kitagawa, O., Suzuki, T. & Taguchi, T., 1998 7月 10, In: Journal of Organic Chemistry. 63, 14, p. 4842-4845 4 p.

  研究成果 › 査読
  21 被引用数 (Scopus)

• t-BuOK-mediated Iodoaziridination Reaction of N-Allylic Tosylamide Derivatives.

  Kitagawa, O., Suzuki, T. & Taguchi, T., 1998 5月 15, In: J. Org. Chem.. 63, p. 4842-4845

  研究成果 › 査読

  21 被引用数 (Scopus)
• 1997

  An efficient synthesis of optically active axially chiral anilide and its application to iodine-mediated asymmetric Diels-Alder reaction

  Kitagawa, O., Izawa, H., Taguchi, T. & Shiro, M., 1997 6月 23, In: Tetrahedron Letters. 38, 25, p. 4447-4450 4 p.

  研究成果 › 査読

  • Anilides 100%
  • Cyclopentanes 97%
  • Cycloaddition Reaction 92%
  • isoprene 90%
  • Anilide 72%
  81 被引用数 (Scopus)

• An Efficient Synthesis of Optically Active Axially Chiral Anilide and Its Application to Iodine-mediated Asymmetric Diels-Alder Reaction.

  Kitagawa, O., Izawa, H., Taguchi, T. & Shiro, M., 1997 6月 9, In: Tetrahedron Lett.. 38, p. 4447-4450

  研究成果 › 査読

  81 被引用数 (Scopus)

• Beckmann rearrangement of O-4-pentenyl oxime through N- bromosuccinimide-mediated activating process

  Kitagawa, O., Fujita, M., Okada, M. & Taguchi, T., 1997 1月, In: Chemical and Pharmaceutical Bulletin. 45, 1, p. 32-35 4 p.

  研究成果 › 査読

  Open Access

  • Bromosuccinimide 100%
  • Oximes 76%
  • Beckmann Rearrangement 74%
  • N-Bromosuccinimide 66%
  • Oxime 54%
  9 被引用数 (Scopus)

• Beckmann Rearrangement of O-4-Pentenyl Oxime through N-Bromosuccinimide-mediated Activating Process.

  Kitagawa, O., Fujita, M., Okada, M. & Taguchi, T., 1997 1月 20, In: Chem. Pharm. Bull.. 45, p. 32-35

  研究成果 › 査読

  9 被引用数 (Scopus)

• Catalytic Asymmetric Iodocarbocyclization Reaction of 4-Alkenylmalonates and Its Application to Enantiotopic Group Selective Reaction

  Inoue, T., Kitagawa, O., Saito, A. & Taguchi, T., 1997 1月 1, In: Journal of Organic Chemistry. 62, 21, p. 7384-7389 6 p.

  研究成果 › 査読

  • Enantioselectivity 100%
  • Diastereoselectivity 57%
  • Application 35%
  59 被引用数 (Scopus)

• Catalytic Asymmetric Iodocarbocyclization Reaction of 4-Alkenylmalonates and Its Application to Enantiotopic Group Selective Reaction.

  Inoue, T., Kitagawa, O., Saito, A. & Taguchi, T., 1997 10月 15, In: J. Org. Chem.. 62, p. 7384-7389

  研究成果 › 査読

  59 被引用数 (Scopus)

• Diastereoselective -Iodination Reaction of 4-Alkenylamide Having a -Chiral Center.

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

  研究成果 › 査読

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

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

  研究成果 › 査読

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

• Iodocarbocyclization reaction

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

  研究成果 › 査読

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

• NaH-mediated iodoaziridination reaction of N-allylic tosylamides

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

  研究成果 › 査読

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

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

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

  研究成果 › 査読

  15 被引用数 (Scopus)

• Regio-contorolled Iodoaminocyclization Reaction of an Ambident Nucleophile Mediated by LiAl(Ot-Bu)4.

  Kitagawa, O., Fujita, M. & Taguchi, T., 1997 2月 1, In: Tetrahedron Lett. 38, p. 615-618

  研究成果 › 査読

• Regiocontrolled Iodoaminocyclization Reaction of an Ambident Nucleophile Mediated by Basic Metallic Reagent

  Fujita, M., Kitagawa, O., Suzuki, T. & Taguchi, T., 1997 1月 1, In: Journal of Organic Chemistry. 62, 21, p. 7330-7335 6 p.

  研究成果 › 査読

  • Carbamate 100%
  • Nucleophile 85%
  • Urea 77%
  • Cyclization Reaction 36%
  • Amide 35%
  61 被引用数 (Scopus)

• Regiocontrolled Iodoaminocyclization Reaction of an Ambident Nucleophile Mediated by Basic Metallic Reagent.

  Fujita, M., Kitagawa, O., Suzuki, T. & Taguchi, T., 1997 10月 15, In: J. Org. Chem.. 62, p. 7330-7335

  研究成果 › 査読

  61 被引用数 (Scopus)

• Regio-controlled iodoaminocyclization reaction of an ambident nucleophile mediated by LiAl(Ot-Bu)₄

  Kitagawa, O., Fujita, M., Li, H. & Taguchi, T., 1997 1月 27, In: Tetrahedron Letters. 38, 4, p. 615-618 4 p.

  研究成果 › 査読

  • Cyclization 100%
  • Carbamates 92%
  • Amides 78%
  • Iodine 69%
  • Carbamate 67%
  32 被引用数 (Scopus)
• 1996

  A mild method for generation of p-methoxybenzyl cation through NIS-mediated activation of p-methoxybenzyl 4-pentenyl ether

  Okada, M., Kitagawa, O., Fujita, M. & Taguchi, T., 1996 6月 10, In: Tetrahedron. 52, 24, p. 8135-8142 8 p.

  研究成果 › 査読

  • Ethers 100%
  • Ether 71%
  • Cations 64%
  • Alcohols 47%
  • Cation 36%
  13 被引用数 (Scopus)

• A Mild Method for Generation of p-Methoxybenzyl Cation through NIS-mediated Activation of p-Methoxybenzyl 4-Pentenyl Ether.

  Okada, M., Kitagawa, O., Fujita, M. & Taguchi, T., 1996 7月 10, In: Tetrahedron. 52, p. 8135-8142

  研究成果 › 査読

  13 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月 15, In: Journal of Organic Chemistry. 61, 23, p. 8256-8263 8 p.

  研究成果 › 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月 1, In: J. Org. Chem.. 61, p. 8256-8263

  研究成果 › 査読

  25 被引用数 (Scopus)

• Iodocarbocyclization Reaction.

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

  研究成果 › 査読
• 1995

  A Mild and Highly Chemoselective -Iodination of N-Allylic Carboxamides and Lactams.

  Kitagawa, O., Kikuchi, N., Hanano, T., Aoki, K., Yamazaki, T., Okada, M. & Taguchi, T., 1995 8月 1, In: J. Org. Chem.. 60, p. 7161-7165

  研究成果 › 査読

• A Mild and Highly Chemoselective α-Iodination of N-Allylic Carboxamides and Lactams

  Kitagawa, O., Kikuchi, N., Hanano, T., Aoki, K., Yamazaki, T., Okada, M. & Taguchi, T., 1995 11月 1, In: Journal of Organic Chemistry. 60, 22, p. 7161-7165 5 p.

  研究成果 › 査読

  • Carboxamide 100%
  • Lactam 94%
  • Chemoselectivity 85%
  • Amide 46%
  • Nucleophilic Substitution 22%
  18 被引用数 (Scopus)

• Catalytic asymmetric iodocarbocyclization reaction

  Inoue, T., Kitagawa, O., Ochiai, O., Shiro, M. & Taguchi, T., 1995 12月 18, In: Tetrahedron Letters. 36, 51, p. 9333-9336 4 p.

  研究成果 › 査読

  • Titanium 100%
  • acetylacetone 93%
  • Cyclopentanes 84%
  • Enantioselectivity 84%
  • Cyclopentane 58%
  46 被引用数 (Scopus)

• Catalytic Asymmetric Iodocarbocyclization Reaction.

  Inoue, T., Kitagawa, O., Ochiai, O., Shiro, M. & Taguchi, T., 1995 12月 15, In: Tetrahedron Lett.. 36, p. 9333-9336

  研究成果 › 査読

  46 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月, In: Tetrahedron: Asymmetry. 6, 3, p. 691-692 2 p.

  研究成果 › 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月 15, In: Tetrahedron: Asymmetry. 6, p. 691-692

  研究成果 › 査読

  26 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月 23, In: Tetrahedron Letters. 36, 4, p. 593-596 4 p.

  研究成果 › 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月 15, In: Tetrahedron Lett.. 36, p. 593-596

  研究成果 › 査読

  23 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月 27, In: Tetrahedron Letters. 36, 9, p. 1479-1482 4 p.

  研究成果 › 査読

  • Cyclopentanes 100%
  • Cyclopentane 69%
  • Titanium 59%
  • Enantiomer 44%
  29 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月 15, In: Tetrahedron Lett.. 36, p. 1479-1482

  研究成果 › 査読

  29 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 › 査読

  Open Access

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

• Structual Analysis of -Turn Mimics Containing a Substituted 6-Aminocaproic Acid Linker.

  Kitagawa, O., V, D., Velde, E., Dutta, D., Morton, M., Takusagawa, F. & Aube, J., 1995 10月 1, In: J. Am. Chem. Soc.. 117, p. 5169-5178

  研究成果 › 査読

• Structural Analysis of β-Turn Mimics Containing a Substituted 6-Aminocaproic Acid Linker

  Takusagawa, F., Kitagawa, O., Velde, D. V., Dutta, D., Morton, M. & Aubé, J., 1995 5月, In: Journal of the American Chemical Society. 117, 19, p. 5169-5178 10 p.

  研究成果 › 査読

  • alanylglycine 100%
  • Aminocaproic Acid 85%
  • Stereoisomerism 80%
  • X Ray Crystallography 79%
  • Dipeptides 74%
  43 被引用数 (Scopus)
• 1994

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

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

  研究成果 › 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月 1, In: Tetrahedron Lett.. 35, p. 1059-1062

  研究成果 › 査読

  25 被引用数 (Scopus)
• 1993

  Asymetric Synthesis of -Amino Acids through -Iodination of Chiral Unsaturated Carboxamides and Stereoselective Iodolactonization.

  Kitagawa, O., Hanano, T., Kikuchi, N. & Taguchi, T., 1993 3月 1, In: Tetrahedron Lett.. 34, p. 2165-2168

  研究成果 › 査読

• Asymmetric synthesis of α-amino acids through α-iodination of chiral unsaturated carboxamides and stereoselective iodolactonization

  Kitagawa, O., Hanano, T., Kikuchi, N. & Taguchi, T., 1993 3月 26, In: Tetrahedron Letters. 34, 13, p. 2165-2168 4 p.

  研究成果 › 査読

  • gamma-collidine 100%
  • Iodolactonization 82%
  • pyrrolidine 79%
  • Halogenation 68%
  • Enamide 68%
  40 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月 1, In: Journal of Organic Chemistry. 58, 11, p. 3106-3112 7 p.

  研究成果 › 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月 1, In: J. Org. Chem.. 58, p. 3106-3112

  研究成果 › 査読

  56 被引用数 (Scopus)
• 1992

  A Facile -Iodination Reaction of Unsaturated Amides.

  Kitagawa, O., Hanano, T., Inoue, T. & Taguchi, T., 1992 2月 1, In: Tetrahedron Lett.. 33, p. 2167-2170

  研究成果 › 査読

• A facile α-iodination reaction of unsaturated amides

  Kitagawa, O., Hanano, T., Hirata, T., Inoue, T. & Taguchi, T., 1992 3月 3, In: Tetrahedron Letters. 33, 10, p. 1299-1302 4 p.

  研究成果 › 査読

  • gamma-collidine 100%
  • Halogenation 68%
  • Amides 60%
  • Carboxamide 59%
  • Amide 36%
  23 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月 1, In: Journal of the Chemical Society, Chemical Communications. 14, p. 1005-1007 3 p.

  研究成果 › 査読

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