北川 理

研究成果

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

• 168 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

• 1985

  Studies on Organic Fluorine Compounds. XLV. Synthesis and Regioselective Substitution Reaction of 3-Trifluoromethylfuran

  KAWADA, KOSUKE., Kitagawa, O. & KOBAYASHI, YOSHIRO., 1985, In: Chemical and Pharmaceutical Bulletin. 33, 9, p. 3670-3674

  研究成果: Article › 査読

  • n-butyllithium 100%
  • Fluorine Compounds 87%
  • Lithiation 50%
  • Electrophile 46%
  • Substitution Reaction 29%

• Studies on Organic Fluorine Compounds. XLVII. Synthesis of Trifluoromethylated Sugars through the Aldol Reaction of 2-Trimethylsilyloxy-4-trifluoromethylfuran

  SAWADA, KOSUKE., Kitagawa, O., TAGUCHI, TAKEO., HANZAWA, YUJI., KOBAYASHI, YOSHIRO. & IITAKA, YOICHI., 1985, In: Chemical and Pharmaceutical Bulletin. 33, 10, p. 4216-4222

  研究成果: Article › 査読

  • Fluorine Compounds 100%
  • 3-hydroxybutanal 96%
  • Aldol Condensation 60%
  • Aldol Reaction 59%
  • Sugars 51%
  20 被引用数 (Scopus)

• Synthesis and Regioselective Substitution Reaction of 3-Trifluoromethylfuran.

  Kawada, K., Kitagawa, O. & Taguchi, T., 1985 9月 1, In: Chem. Pharm. Bull.. 33, p. 3670-3674

  研究成果: Article › 査読

  12 被引用数 (Scopus)

• Synthesis of -Difluorocarboxylic Acid Derivatives through the Claisen Rearrangement of 1,1-Difluoro-1-alkane-3-ols.

  Taguchi, T., Morikawa, T., Kitagawa, O., Mishima, T. & Kobayashi, Y., 1985 11月 1, In: Chem. Pharm. Bull.. 33, p. 5137-5140

  研究成果: Article › 査読

• Synthesis of Trifuluoromethylated Sugars through the Aldol Reaction of 2-Trimethylsiloxy-4-trifluoromethylfuran.

  Kawada, K., Kitagawa, O., Taguchi, T., Hanzawa, Y., Kobayashi, Y. & Iitaka, Y., 1985 10月 1, In: Chem. Pharm. Bull.. 33, p. 4216-4222

  研究成果: Article › 査読

• Synthesis of β,β-Difluorocarboxylic Acid Derivatives through the Claisen Rearrangement of 1,1-Difluoro-1-alkane-3-ols.

  Taguchi, T., Morikawa, T., Kitagawa, O., Mishima, T. & Kobayashi, Y., 1985, In: Chemical and Pharmaceutical Bulletin. 33, 11, p. 5137-5140

  研究成果: Article › 査読
• 1986

  Synthesis of 2,2-difluoroesters by iododifluoroacetate-copper with organic halides

  Taguchi, T., Kitagawa, O., Morikawa, T., Nishiwaki, T., Uehara, H., Endo, H. & Kobayashi, Y., 1986, In: Tetrahedron Letters. 27, 50, p. 6103-6106 4 p.

  研究成果: Article › 査読

  • Organic Halide 100%
  • Iodides 97%
  • Aprotic Solvent 86%
  • Copper 76%
  • Iodide 60%
  112 被引用数 (Scopus)

• Synthesis of 2,2-Difluoroesters by Iododifluoroacetate-Copper with Organic Halides.

  Taguchi, T., Kitagawa, O., Morikawa, T., Nishiwaki, T., Uehara, H., Endo, H. & Kobayashi, Y., 1986 11月 10, In: Tetrahedron Lett.. 27, p. 6103-6106

  研究成果: Article › 査読

  112 被引用数 (Scopus)
• 1988

  Aldol reaction of iododifluoroacetate-Zn and 2,2-difluoroketene silyl acetal

  Kitagawa, O., Taguchi, T. & Kobayashi, Y., 1988, In: Tetrahedron Letters. 29, 15, p. 1803-1806 4 p.

  研究成果: Article › 査読

  • 3-hydroxybutanal 100%
  • Acetals 93%
  • Aldol Reaction 62%
  • Silyl 59%
  • ketene 56%
  114 被引用数 (Scopus)

• Aldol Reaction of Iododifluoroacetate-Zn and 2,2-Difluoroketene Silyl Acetal.

  Kitagawa, O., Taguchi, T. & Kobayashi, Y., 1988 4月 10, In: Tetrahedron Lett.. 29, p. 1803-1806

  研究成果: Article › 査読

  114 被引用数 (Scopus)

• Synthesis of 3,3-difluoro-2-azetidinones and 2,3-dideoxy-2,2-difluoro-3-amino-sugars through the reformatsky reaction of difluoroacetate with imine

  Taguchi, T., Kitagawa, O., Suda, Y., Ohkawa, S., Hashimoto, A., Iitaka, Y. & Kobayashi, Y., 1988, In: Tetrahedron Letters. 29, 41, p. 5291-5294 4 p.

  研究成果: Article › 査読

  • difluoroacetic acid 100%
  • 2-azetidinone 85%
  • Difluoroacetate 77%
  • Acetals 73%
  • Amino Sugars 67%
  113 被引用数 (Scopus)

• Synthesis of 3,3-Difluoro-2-Azetidinones and 2,3-Dideoxy-2,2-difluoro-3-aminosugars through the Reformatsky Reaction of Difluoroacetate with Imine.

  Taguchi, T., Kitagawa, O., Suda, Y., Ohkawa, S., Hashimoto, A., Iitaka, Y. & Kobayashi, Y., 1988 10月 10, In: Tetrahedron Lett.. 29, p. 5291-5294

  研究成果: Article › 査読
• 1989

  (Methyl difluoroacetate)copper Reagent. Remarkable Solvent Effect on the 19F-NMR Spectrum, Stability and Reactivity.

  Kitagawa, O., Taguchi, T. & Kobayashi, Y., 1989 3月 10, In: Chem. Lett.. p. 389-392

  研究成果: Article › 査読
• 1990

  Atom-transfer Reaction of Difluoroiodoacetate.

  Kitagawa, O., Miura, A., Kobayashi, Y. & Taguchi, T., 1990 6月 10, In: Chem. Lett.. p. 1011-1014

  研究成果: Article › 査読

• 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月 10, In: Chem. Lett.. p. 1307-1310

  研究成果: Article › 査読
• 1991

  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月 10, In: Chem. Lett.. p. 177-180

  研究成果: Article › 査読
• 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: Article › 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: Article › 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: Article › 査読

  • glycolic acid 100%
  • Titanium 73%
  • Acids 64%
  • Acid 24%
  71 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月 15, In: Chem. Commun.. p. 1005-1007

  研究成果: Article › 査読

  71 被引用数 (Scopus)

• Ionic iodocarbocyclization reaction

  Kitagawa, O., Inoue, T. & Taguchi, T., 1992 4月 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月 1, In: Tetrahedron Lett. 33, p. 2167-2170

  研究成果: Article › 査読

  36 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: Article › 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: Article › 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: 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月 1, In: J. Org. Chem.. 58, p. 3106-3112

  研究成果: Article › 査読

  56 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: 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月 1, In: Tetrahedron Lett.. 35, p. 1059-1062

  研究成果: Article › 査読

  25 被引用数 (Scopus)
• 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: Article › 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: Article › 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: Article › 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: Article › 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: 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月 15, In: Tetrahedron: Asymmetry. 6, p. 691-692

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

  研究成果: Article › 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: Article › 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: Article › 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: Article › 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: Article › 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: Article › 査読

  • alanylglycine 100%
  • Aminocaproic Acid 85%
  • Stereoisomerism 80%
  • X Ray Crystallography 79%
  • Dipeptides 74%
  43 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: Article › 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: Article › 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: 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月 1, In: J. Org. Chem.. 61, p. 8256-8263

  研究成果: Article › 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: Article › 査読
• 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: Article › 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: Article › 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: Article › 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: Article › 査読

  9 被引用数 (Scopus)