Osamu Kitagawa

2008

Catalytic enantioselective synthesis of key intermediates for NET inhibitors using atropisomeric lactam chemistry

Kitagawa, O., Kurihara, D., Tanabe, H., Shibuya, T. & Taguchi, T., 2008 1月 14, In: Tetrahedron Letters. 49, 3, p. 471-474 4 p.

研究成果: Article › 査読

31 被引用数 (Scopus)

Stereoselective synthesis of separable amide rotamers using p-allyl-Pd catalyst and their thermodynamic behavior

Ototake, N., Taguchi, T. & Kitagawa, O., 2008 8月 1, In: Tetrahedron Lett.. 49, p. 5458-5460

研究成果: Article › 査読

Stereoselective synthesis of separable amide rotamers using π-allyl-Pd catalyst and their thermodynamic behavior

Ototake, N., Taguchi, T. & Kitagawa, O., 2008 9月 15, In: Tetrahedron Letters. 49, 38, p. 5458-5460 3 p.

研究成果: Article › 査読

9 被引用数 (Scopus)

2007

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

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

研究成果: Article › 査読

2006

Catalytic asymmetric desymmetrization of meso-diamide derivatives through enantioselective N-allylation with a chiral π-allyl Pd catalyst: Improvement and reversal of the enantioselectivity

Kitagawa, O., Matsuo, S., Yotsumoto, K. & Taguchi, T., 2006 3月 17, In: Journal of Organic Chemistry. 71, 6, p. 2524-2527 4 p.

研究成果: Article › 査読

23 被引用数 (Scopus)

Catalytic Asymmetyric Desymmetrization of meso-Diamide derivatives through Enantioselective N-Allylation Using Chiral -Allyl Pd Catalyst: Improvement and Reversal of the Enantioselectivity.

Kitagawa, O., Matsuo, S., Yotsumoto, K. & Taguchi, T., 2006 2月 1, In: J. Org. Chem.. 71, p. 2524-2527

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月 4, In: Journal of the American Chemical Society. 128, 39, p. 12923-12931 9 p.

研究成果: Article › 査読

127 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月 7, In: J. Am. Chem. Soc.. 128, p. 12923-12931

研究成果: Article › 査読

127 被引用数 (Scopus)

2005

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

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

研究成果: Article › 査読

108 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月 1, In: J. Am. Chem. Soc.. 127, p. 3676-3677

研究成果: Article › 査読

2004

Catalytic Asymmetric Synthesis of Vicinal Diamine Derivatives through Enantioselective N-Allylation using Chiral -Allyl Pd-Catalyst.

Kitagawa, O., Yotsumoto, K., Kohriyama, M., Dobashi, Y. & Taguchi, T., 2004 10月 1, In: Org. Lett.. 6, p. 3605-3607

研究成果: Article › 査読

Catalytic asymmetric synthesis of vicinal diamine derivatives through enantioselective N-allylation using chiral π-allyl Pd-catalyst

Kitagawa, O., Yotsumoto, K., Kohriyama, M., Dobashi, Y. & Taguchi, T., 2004 9月 30, In: Organic Letters. 6, 20, p. 3605-3607 3 p.

研究成果: Article › 査読

34 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月 1, In: J. Org. Chem.. 69, p. 2607-2610

研究成果: Article › 査読

11 被引用数 (Scopus)

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

Kitagawa, O., Miyaji, S., Sakuma, C. & Taguchi, T., 2004 4月 2, In: Journal of Organic Chemistry. 69, 7, p. 2607-2610 4 p.

研究成果: Article › 査読

11 被引用数 (Scopus)

2003

Carbocyclization reactions of terminally difluorinated alkenyl active methine compounds mediated by SnCl₄ and amine

Saito, A., Okada, M., Nakamura, Y., Kitagawa, O., Horikawa, H. & Taguchi, T., 2003 9月 1, In: Journal of Fluorine Chemistry. 123, 1, p. 75-80 6 p.

研究成果: Article › 査読

29 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月 18, In: Journal of Organic Chemistry. 68, 8, p. 3184-3189 6 p.

研究成果: Article › 査読

33 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月 1, In: J. Org. Chem.. 68, p. 3184-3189

研究成果: Article › 査読

Synthesis of Optically Active Atropisomeric Anilide Derivatives through Diastereoselective N-Allylation with a Chiral Pd- -Allyl Catalyst.

Kitagawa, O., Takahashi, M., Kohriyama, M. & Taguchi, T., 2003 10月 4, In: J. Org. Chem.. 68, p. 9851-9853

研究成果: Article › 査読

Synthesis of Optically Active Atropisomeric Anilide Derivatives through Diastereoselective N-Allylation with a Chiral Pd-π-Allyl Catalyst

Kitagawa, O., Takahashi, M., Kohriyama, M. & Taguchi, T., 2003 12月 12, In: Journal of Organic Chemistry. 68, 25, p. 9851-9853 3 p.

研究成果: Article › 査読

10 被引用数 (Scopus)

2002

Catalytic asymmetric synthesis of optically active atropisomeric anilides through enantioselective N-allylation with chiral Pd-tol-BINAP catalyst

Kitagawa, O., Kohriyama, M. & Taguchi, T., 2002 11月 29, In: Journal of Organic Chemistry. 67, 24, p. 8682-8684 3 p.

研究成果: Article › 査読

83 被引用数 (Scopus)

Catalytic Asymmetric Synthesis of Optically Active Atropisomeric Anilides through Enantioselective N-Allylation with Chiral Pd-tol-BINAP Catalyst.

Kitagawa, O., Kohriyama, M. & Taguchi, T., 2002 11月 30, In: J. Org. Chem.. 67, p. 8682-8684

研究成果: Article › 査読

83 被引用数 (Scopus)

Iodocarbocyclization and Intramolecular Carbometalation Strategies for Carbocycles.

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

研究成果: Article › 査読

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月 8, In: Journal of Organic Chemistry. 67, 3, p. 922-927 6 p.

研究成果: Article › 査読

26 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月 30, In: J. Org. Chem. 67, p. 922-927

研究成果: Article › 査読

26 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月 21, In: Organic Letters. 4, 6, p. 1011-1013 3 p.

研究成果: Article › 査読

22 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月 19, In: Org. Lett.. 4, p. 1011-1013

研究成果: Article › 査読

22 被引用数 (Scopus)

2001

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

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

研究成果: Article › 査読

33 被引用数 (Scopus)

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月 11, In: Tetrahedron Letters. 42, 11, p. 2165-2167 3 p.

研究成果: Article › 査読

18 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月 31, In: Tetrahedron Lett.. 42, p. 2165-2167

研究成果: Article › 査読

Synthesis of Optically Active Aldol Derivatives through Chilarity Transfer Type 1,2-Wittig Rearrangement of -Alkoxycarboxamides.

Kitagawa, O., Momose, S. & Yamada, Y., 2001 7月 1, In: Tetrahedron Lett.. 42, p. 4865-4868

研究成果: Article › 査読

Synthesis of optically active aldol derivatives through chirality transfer type 1,2-Wittig rearrangement of α-alkoxycarboxamides

Kitagawa, O., Momose, S. I., Yamada, Y., Shiro, M. & Taguchi, T., 2001 7月 16, In: Tetrahedron Letters. 42, 29, p. 4865-4868 4 p.

研究成果: Article › 査読

22 被引用数 (Scopus)

Synthesis of optically active atropisomeric anilide derivatives and their application to asymmetric reaction

Kitagawa, O. & Taguchi, T., 2001, In: Yuki Gosei Kagaku Kyokaishi/Journal of Synthetic Organic Chemistry. 59, 7, p. 680-688 9 p.

研究成果: Article › 査読

Open Access

10 被引用数 (Scopus)

2000

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月 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月 20, In: Journal of Organic Chemistry. 65, 21, p. 6819-6825 7 p.

研究成果: Article › 査読

41 被引用数 (Scopus)

Stereoselective synthesis of diastereomeric atropisomeric lactam with various ring sizes and their structural characterization

Kitagawa, O., Fujita, M., Kohriyama, M., Hasegawa, H. & Taguchi, T., 2000 10月 28, In: Tetrahedron Letters. 41, 44, p. 8539-8544 6 p.

研究成果: Article › 査読

43 被引用数 (Scopus)

Stereoselective Synthesis of Diastereomeric Atropisomeric Lactam with Various Ring Sizes and Their Structural Characterization.

Kitagawa, O., Fujita, M., Kohriyama, M., Hasegawa, H. & Taguchi, T., 2000 11月 30, In: Tetrahedron Lett.. 41, p. 8539-8544

研究成果: Article › 査読

43 被引用数 (Scopus)

Synthesis of optically active 5-substituted-2-pyrrolidinone derivatives having atropisomeric structure and 3,5-cis-selective reaction of their enolates with electrophiles

Fujita, M., Kitagawa, O., Yamada, Y., Izawa, H., Hasegawa, H. & Taguchi, T., 2000 2月 25, In: Journal of Organic Chemistry. 65, 4, p. 1108-1114 7 p.

研究成果: Article › 査読

55 被引用数 (Scopus)

Synthesis of Optically Active 5-Substituted-2-pyrroridinone Derivatives Having Atropisomeric Structure and 3,5-Cis-selective Reaction of Their Enolates with Electrophiles.

Fujita, M., Kitagawa, O., Yamada, Y., Izawa, H., Hasegawa, H. & Taguchi, T., 2000 2月 1, In: J. Org. Chem.. 65, p. 1108-1114

研究成果: Article › 査読

1999

Alkaline metallic reagent-catalyzed hydrocarbocyclization reaction of various active methine compounds having an unactivated 4-alkynyl or allenyl group

Kitagawa, O., Suzuki, T., Fujiwara, H., Fujita, M. & Taguchi, T., 1999 6月 11, In: Tetrahedron Letters. 40, 24, p. 4585-4588 4 p.

研究成果: Article › 査読

25 被引用数 (Scopus)

Alkaline Metallic Reagent-catalyzed Hydrocarbocyclization Reaction of Various Active Methine Compounds Having an Unactivated 4-Alkynyl or Allenyl Group.

Kitagawa, O., Suzuki, T., Fujiwara, H., Fujita, M. & Taguchi, T., 1999 6月 20, In: Tetrahedron Lett.. 40, p. 4585-4588

研究成果: Article › 査読

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

研究成果: Article › 査読

54 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月 30, In: Tetrahedron Lett.. 40, p. 8827-8831

研究成果: Article › 査読

54 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月 26, In: Tetrahedron Letters. 40, 13, p. 2549-2552 4 p.

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月 30, In: Tetrahedron Lett.. 40, p. 2549-2552

研究成果: Article › 査読

17 被引用数 (Scopus)

Iodocarbocyclization and iodoaminocyclization reactions mediated by a metallic reagent

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

研究成果: Article › 査読

69 被引用数 (Scopus)

Iodocarbocyclization and Iodoaminocyclization Reactions mediated by a Metallic Reagent.

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

研究成果: Article › 査読

69 被引用数 (Scopus)

Stereoselective synthesis of an optically active axially chiral lactam and its reaction with some electrophiles

Fujita, M., Kitagawa, O., Izawa, H., Dobashi, A., Fukaya, H. & Taguchi, T., 1999 3月 5, In: Tetrahedron Letters. 40, 10, p. 1949-1952 4 p.

研究成果: Article › 査読

49 被引用数 (Scopus)

Stereoselective Synthesis of an Optically Active Axially Chiral Lactam and Its Reaction with Some Electrophiles.

Fujita, M., Kitagawa, O., Izawa, H., Dobashi, A., Fukaya, H. & Taguchi, T., 1999 2月 1, In: Tetrahedron Lett.. 40, p. 1949-1952

研究成果: Article › 査読

49 被引用数 (Scopus)

Synthesis of optically active axially chiral amide and lactam, and their application to asymmetric reaction

Kitagawa, O., Fujita, M., Momose, S. & Taguchi, T., 1999 9月 20, In: Default journal.

研究成果: Article › 査読

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 12月 11, In: Journal of Organic Chemistry. 63, 25, p. 9470-9475 6 p.

研究成果: Article › 査読

75 被引用数 (Scopus)

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