人文社会学科

研究成果

年別の研究成果 1980 2018

• 244 Article
• 8 Chapter
• 5 Comment/debate
• 5 Review article
• 4 その他
  • 2 Letter
  • 1 Book
  • 1 Conference article

年別の研究成果

年別の研究成果

検索結果

• 1995

  Chemical modification and structure-activity relationships of pyripyropenes; potent, bioavailable inhibitor of acyl-CoA: Cholesterol O-acyltransferase (ACAT)

  Obata, R., Sunazuka, T., Tomoda, H., Harigaya, Y. & Omura, S., 1995 11 16, In: Bioorganic and Medicinal Chemistry Letters. 5, 22, p. 2683-2688 6 p.

  研究成果: Article › 査読

  • Pyripyropene A 100%
  • Sterol O-Acyltransferase 77%
  • Acyl-CoA 66%
  • Structure-Activity Relationship 60%
  • pyripyropene A 57%
  31 被引用数 (Scopus)

• Structure-activity Relationships of Pyripyropenes Fungal Acyl-CoA: Cholesterol Acyltransferase Inhibitors

  Obata, R., Sunazuka, T., Zhuorong, L., Tomoda, H. & ŌMura, S., 1995 1 1, In: The Journal of Antibiotics. 48, 7, p. 749-750 2 p.

  研究成果: Article › 査読

  Open Access
  31 被引用数 (Scopus)

• Total Synthesis of (+)-Pyripyropene A. A Potent, Orally Bioavailable Inhibitor of Acyl-CoA:Cholesterol Acyltransferase

  Nagamitsu, T., Sunazuka, T., Obata, R., Tomoda, H., Tanaka, H., Harigaya, Y., Ōmura, S. & Smith, A. B., 1995 12 1, In: Journal of Organic Chemistry. 60, 25, p. 8126-8127 2 p.

  研究成果: Article › 査読
  71 被引用数 (Scopus)
• 1994

  Bimolecular solid-state photoreactions in the adduct crystals of an aromatic nitro compound with an aromatic amine

  Ito, Y., Asaoka, S., Saito, I. & Ohba, S., 1994 10 31, In: Tetrahedron Letters. 35, 44, p. 8193-8196 4 p.

  研究成果: Article › 査読

  • Nitro Compounds 100%
  • Photochemistry 95%
  • Nitro Compound 67%
  • Hydrogen 66%
  • Amines 60%
  10 被引用数 (Scopus)

• Chemical properties of β-triketones: Reexamination of Albizati's tandem aldol process

  Arimoto, H., Ohba, S., Nishiyama, S. & Yamamura, S., 1994 6 27, In: Tetrahedron Letters. 35, 26, p. 4581-4584 4 p.

  研究成果: Article › 査読

  • 3-hydroxybutanal 100%
  • Swern Oxidation 84%
  • Diketone 66%
  • Oxidation Reaction 24%
  9 被引用数 (Scopus)

• Pyripyropenes, novel inhibitors of acyl-coa: Cholesterol acyltransferase produced by aspergillus fumigatus. II. Structure elucidation of pyripyropenes A, B, C and D

  Kim, Y. K., Tomoda, H., Nishida, H., Sunazuka, T., Obata, R. & Omura, S., 1994 1 1, In: The Journal of Antibiotics. 47, 2, p. 154-162 9 p.

  研究成果: Article › 査読

  Open Access

  • Sterol O-Acyltransferase 100%
  • Sesquiterpenes 90%
  • Aspergillus fumigatus 81%
  • pyripyropene A 73%
  • Sesquiterpene 73%
  97 被引用数 (Scopus)

• Relative and Absolute Stereochemistry of Pyripyropene A, A Potent, Bioavailable Inhibitor of Acyl-CoA:Cholesterol Acyltransferase (ACAT)

  Tomoda, H., Nishida, H., Kook Kim, Y., Obata, R., Sunazuka, T., Omura, S., Bordner, J. & Guadliana, M., 1994 12 1, In: Journal of the American Chemical Society. 116, 26, p. 12097-12098 2 p.

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

• Relative and absolute stereochemistry of the melanogenesis inhibitors OH-3984 K1 and K2. Partial synthesis from albocycline

  Sunazuka, T., Obata, R., Zhuorong, L., Takamatsu, S., Komiyama, K., Omura, S. & Smith, A. B., 1994 4 25, In: Tetrahedron Letters. 35, 17, p. 2635-2636 2 p.

  研究成果: Article › 査読

  • albocycline 100%
  • Melanin Synthesis Inhibitor 85%
  • Relative Configuration 50%
  • Macrolide Antibiotic Agent 48%
  • Melanins 48%
  7 被引用数 (Scopus)

• Synthesis and properties of α-oligothiophenes carrying three cofacially oriented thiophene rings through peri positions of naphthalenes

  Kuroda, M., Nakayama, J., Hoshino, M., Furusho, N. & Ohba, S., 1994 6 6, In: Tetrahedron Letters. 35, 23, p. 3957-3960 4 p.

  研究成果: Article › 査読

  • Naphthalenes 100%
  • Thiophenes 86%
  • naphthalene 75%
  • Thiophene 47%
  • Naphthalene 47%
  17 被引用数 (Scopus)

• The intermolecular diels-alder reaction of a 14-membered diene-dienophile pair

  Nakata, M., Yasuda, M., Suzuki, S. & Ohba, S., 1994 1, In: Synlett. 1994, 1, p. 71-74 4 p.

  研究成果: Article › 査読

  • Diels-Alder Reaction 100%
  • Adduct 74%
  • X-Ray 62%
  4 被引用数 (Scopus)
• 1993

  Facile synthesis of tricyclo[5.4.0.0^1,5]undec-9-ene-8,11-diones from phenols with an olefin bearing an electron-attracting group at the side chain

  Maki, S., Kosemura, S., Yamamura, S. & Ohba, S., 1993 9 17, In: Tetrahedron Letters. 34, 38, p. 6083-6086 4 p.

  研究成果: Article › 査読

  • acetic anhydride 100%
  • Alkenes 91%
  • Phenols 79%
  • Ketones 74%
  • Cis Isomer 62%
  13 被引用数 (Scopus)

• Magneto-structural correlations in dimeric copper(II) carboxylates

  Ohba, S., Kato, M., Tokii, T., Muto, Y. & Steward, O. W., 1993 9 1, In: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals. 233, 1, p. 335-344 10 p.

  研究成果: Article › 査読

  • carboxylates 100%
  • Copper Atom 83%
  • Antiferromagnetic 69%
  • Electron Spin 59%
  • Copper 58%
  16 被引用数 (Scopus)

• Preparation and molecular structures of [Co,(S₂O- S,S')(Me₂PCH₂CH₂PMe₂)₂]ClO₄ and [Co(S₂PMe₂)₂(Me₂PCH₂CH₂PMe₂)]BF₄

  Kita, M., Kashiwabara, K., Fujita, J., Kurachi, S. & Ohba, S., 1993 1 1, In: Bulletin of the Chemical Society of Japan. 66, 12, p. 3686-3692 7 p.

  研究成果: Article › 査読

  • Crystal Phase Property 100%
  • Pnc2 96%
  • Disulfur 78%
  • Reflection 78%
  • Molecular Structure 68%
  6 被引用数 (Scopus)

• Shal (not) mowe, or double auxiliary constructions in middle english

  Ogura, M., 1993 11 1, In: Review of English Studies. 44, 176, p. 539-548 10 p.

  研究成果: Comment/debate › 査読
  3 被引用数 (Scopus)

• Synthesis and characterization of a 14-membered polyketide lactone

  Tatsuta, K., Chino, M., Kojima, N., Shinojima, S., Nakata, M., Morooka, M. & Ohba, S., 1993 7 30, In: Tetrahedron Letters. 34, 31, p. 4957-4960 4 p.

  研究成果: Article › 査読

  • Polyketides 100%
  • Lactones 86%
  • Polyketide 79%
  • Lactone 63%
  • Hydride 56%
  9 被引用数 (Scopus)

• Synthesis and properties of 1,8-Di(2-thienyl)-, 1,8-bis(5,2′-bithiophene-2-yl)-, 1,8-bis(5,2′:5′,2″-terthiophene-2-yl)-, and 1,8-bis(5,2′:5′,2″:5″,2″′-quaterthiophene-2-yl)naphthalenes and related compounds

  Kuroda, M., Nakayama, J., Hoshino, M., Furusho, N., Kawata, T. & Ohba, S., 1993 4 30, In: Tetrahedron. 49, 18, p. 3735-3748 14 p.

  研究成果: Article › 査読

  • alpha-terthienyl 100%
  • Naphthalenes 92%
  • Bromides 61%
  • Naphthalene 43%
  • naphthalene 34%
  57 被引用数 (Scopus)

• Three isomers of tricyclo[10.3.0.0^4,9]pentadecane‐2,10‐dione, (I), (II) and (III), and cis‐cisoid‐cis‐9‐hydroxy‐9‐methyltricyclo[9.3.0.0^3,7]tetradecan‐2‐one, (IV)

  Kawata, T., Ohba, S., Umehara, M. & Honnami, H., 1993 10, In: Acta Crystallographica Section C. 49, 10, p. 1854-1857 4 p.

  研究成果: Article › 査読

• Tricyclo[9.3.0.0^3,7]tetradec‐3‐ene‐5,10‐dione (I), tetracyclo[9.3.0.0^1,5.0^5,9]tetradecane‐2,7‐dione (II) and cis‐cisoid‐cis‐2,9‐epoxy‐9‐methyltricyclo[9.3.0.0^4,8]tetradecan‐2‐ol (III)

  Kawata, T., Okuda, M., Ohba, S., Umehara, M., Honnami, H. & Hishida, S., 1993 2, In: Acta Crystallographica Section C. 49, 2, p. 410-413 4 p.

  研究成果: Article › 査読
  2 被引用数 (Scopus)
• 1992

  A novel intramolecular metallacycle-phosphine reaction of an electrochemically oxidized cobaltacyclopentadiene complex

  Ohkubo, A., Fujita, T., Ohba, S., Aramaki, K. & Nishihara, H., 1992 12 1, In: Journal of the Chemical Society, Chemical Communications. 21, p. 1553-1555 3 p.

  研究成果: Article › 査読

  • phosphine 100%
  • Electrons 58%
  • ferrocene 53%
  • Oxidation 51%
  • Oxidation Reaction 26%
  18 被引用数 (Scopus)

• Crystal structures and magnetic properties of binuclear copper(II) complexes with alkoxo and benzoato or silanecarboxylato bridges

  Kawata, T., Yamanaka, M., Ohba, S., Nishida, Y., Nagamatsu, M., Tokii, T., Kato, M. & Steward, O. W., 1992 10 1, In: Bulletin of the Chemical Society of Japan. 65, 10, p. 2739-2747 9 p.

  研究成果: Article › 査読

  • Antiferromagnetic 100%
  • Magnetic Property 83%
  • Acetylacetone 59%
  • Crystal Structure 51%
  • Schiff Base 43%
  46 被引用数 (Scopus)

• Electron‐density distribution in crystals of 1,4,7,10,13,16‐hexaazacyclooctadecanecobalt(III) trichloride, meso‐[Co(hexaen)]Cl₃ at 106 K

  Morooka, M., Ohba, S. & Toriumi, K., 1992 8, In: Acta Crystallographica Section B. 48, 4, p. 459-463 5 p.

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

• Electron‐density distribution in crystals of lel₃‐[M(chxn)₃](NO₃)₃.3H₂O (M = Cr, Rh; chxn = trans‐1,2‐diaminocyclohexane) at 120 K

  Morooka, M., Ohba, S. & Miyamae, H., 1992 10, In: Acta Crystallographica Section B. 48, 5, p. 667-672 6 p.

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

• Electron‐density distribution in fluorobenzene derivatives

  Kubota, M. & Ohba, S., 1992 12, In: Acta Crystallographica Section B. 48, 6, p. 849-854 6 p.

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

• Magneto‐structural corrections of dimeric copper(II) trichloroacetates

  Uekusa, H., Ohba, S., Tokii, T., Muto, Y., Kato, M., Husebye, S., Steward, O. W., Chang, S. C., Rose, J. P., Pletcher, J. F. & Suzuki, I., 1992 10, In: Acta Crystallographica Section B. 48, 5, p. 650-667 18 p.

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

• Magneto‐structural correlation in dimeric copper(II) benzoates

  Kawata, T., Uekusa, H., Ohba, S., Furukawa, T., Tokii, T., Muto, Y. & Kato, M., 1992 6, In: Acta Crystallographica Section B. 48, 3, p. 253-261 9 p.

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

• Nitro‐nitrito linkage photoisomerization in crystals of pentaamminenitrocobalt(III) dichloride

  Kubota, M. & Ohba, S., 1992 10, In: Acta Crystallographica Section B. 48, 5, p. 627-632 6 p.

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

• Preparation and characterization of cobalt(III) complexes containing 1,1,1-tris(dimethylphosphinomethyl)ethane (mmtp), and the crystal structure of [Co(mmtp)₂][Co(CN)₆] · 2.25H₂O

  Ando, T., Kita, M., Kashiwabara, K., Fujita, J., Kurachi, S. & Ohba, S., 1992 10 1, In: Bulletin of the Chemical Society of Japan. 65, 10, p. 2748-2755 8 p.

  研究成果: Article › 査読

  • Pca21 100%
  • Crystal Phase Property 69%
  • Orthorhombic Space Group 67%
  • Ethane 62%
  • Reflection 54%
  16 被引用数 (Scopus)

• Structure of 1‐(4‐nitrophenyl)pyrrole, ‐imidazole, ‐pyrazole and ‐1,2,4‐triazole derivatives

  Ishihara, M., Tonogaki, M., Ohba, S., Saito, Y., Okazaki, M., Katoh, T. & Kamiyama, K., 1992 1, In: Acta Crystallographica Section C. 48, 1, p. 184-188 5 p.

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

• Structure of citreohybridone A

  Kubota, M., Ohba, S., Kosemura, S., Matsunaga, K. & Yamamura, S., 1992 3, In: Acta Crystallographica Section C. 48, 3, p. 552-554 3 p.

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

• Structure of trans(Cl,Cl),trans(P,P)‐dichlorobis{[2‐(dimethylphosphino)ethyl]amine‐N,P}iridium(III) hexafluorophosphate, [IrCl₂(edmp)₂].PF₆

  Uekusa, H., Ohba, S., Simonsen, K. P., Kojima, M. & Fujita, J., 1992 6, In: Acta Crystallographica Section C. 48, 6, p. 1111-1112 2 p.

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

• trans‐1,3‐Bis(diphenylphosphinoyl)cyclohexane

  Morooka, M., Hashimoto, T., Maeta, H., Matsumoto, T., Suzuki, K. & Ohba, S., 1992 9, In: Acta Crystallographica Section C. 48, 9, p. 1710-1712 3 p.

  研究成果: Article › 査読
• 1991

  Correlation of electron density and spin‐exchange interaction in dimeric copper(II) formates, acetates and silanecarboxylates

  Yamanaka, M., Uekusa, H., Ohba, S., Saito, Y., Iwata, S., Kato, M., Tokii, T., Muto, Y. & Steward, O. W., 1991 6, In: Acta Crystallographica Section B. 47, 3, p. 344-355 12 p.

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

• Cweᶞan + to + dative of person

  Ogura, M., 1991 4, In: Neophilologus. 75, 2, p. 270-278 9 p.

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

• Revision of the structure of raphanusanins, phototropism-regulating substances of radish hypocotyls

  Harada, N., Hagiwara, H., Ono, H., Uda, H., Ohba, S., Kubota, M., Nishiyama, S., Yamamura, S., Hasegawa, K. & Sakoda, M., 1991 11 11, In: Tetrahedron Letters. 32, 46, p. 6757-6760 4 p.

  研究成果: Article › 査読

  • Phototropism 100%
  • Hypocotyl 89%
  • Raphanus 78%
  • Growth Inhibitor 70%
  • Growth Inhibitors 65%
  13 被引用数 (Scopus)

• Structure and coloration of 1,1′-Spirobiindan-4,4′7,7′- tetrol

  Uekusa, H., Ohba, S., Saito, Y. & Tanaka, T., 1991 12 1, In: Acta Crystallographica Section C: Crystal Structure Communications. 47, 12, p. 2626-2629 4 p.

  研究成果: Article › 査読

  • Yellow II 100%
  • Tetrol 70%
  • hydroquinone 65%
  • Fluorescence 37%
  • Reflection 36%

• The structures of citreohybridone A and B novel sesterterpenoid-type metabolites of a hybrid strain KO 0031 derived from penicillium citreo-viride B. IFO 6200 and 4692

  Kosemura, S., Matsunaga, K., Yamamura, S., Kubota, M. & Ohba, S., 1991 7 15, In: Tetrahedron Letters. 32, 29, p. 3543-3546 4 p.

  研究成果: Article › 査読

  • Sesterterpenoid 100%
  • Penicillium 81%
  • Mycelium 80%
  • HeLa Cells 59%
  • X-Rays 46%
  25 被引用数 (Scopus)
• 1990

  Me cwæd in MS cotton claudius B.IV

  Ogura, M., 1990 6, In: Notes and Queries. 37, 2, p. 152-154 3 p.

  研究成果: Comment/debate › 査読

• Preparation and characterization of cis- And trans- [RhCl ₂(dmap)2]⁺ (dmap=1,3-bis(dimethylarsino)propane), and X-Ray structure analyses of these complexes and irara-[CoCl₂(dmap)2]+

  Simonsen, K., Hamada, M., Suzuki, N., Kojima, M., Ohba, S., Galsbol, F., Saito, Y. & Fujita, J., 1990, In: Bulletin of the Chemical Society of Japan. 63, 10, p. 2904-2910 7 p.

  研究成果: Article › 査読

  • Propane 100%
  • Reflection 83%
  • X-Ray 63%
  • Pccm 54%
  • Crystal Phase Property 53%
  8 被引用数 (Scopus)

• Structure of (±)‐2‐hydroxymethyl‐2,6‐dimethylcyclohexan‐1‐ol

  Morooka, M., Ohba, S., Sugai, T., Kakeya, H., Ohta, H. & Saito, Y., 1990 1, In: Acta Crystallographica Section C. 46, 1, p. 168-170 3 p.

  研究成果: Article › 査読

• X-ray structural studies of green and brown crystals of trans-[CoCl₂(N₄8]X(N₄8=1,4,7,10- Tetraazacyclopentadecane, X=NO₃^-, BF₄^-, and CIO₄^-)

  Tsuchimoto, M., Takazawa, H., Kita, M., Nonoyama, M., Ohba, S., Sai to, Y. & Fujita, J., 1990 6 26, In: Bulletin of the Chemical Society of Japan. 63, 3, p. 785-791 7 p.

  研究成果: Article › 査読
  3 被引用数 (Scopus)
• 1989

  A synthesis of (-)-deoxypodocarpic acid methyl ester via an enzymatic enantioselective hydrolysis of the key intermidiate enol ester

  Sugai, T., Kakeya, H., Ohta, H., Morooka, M. & Ohba, S., 1989, In: Tetrahedron. 45, 19, p. 6135-6144 10 p.

  研究成果: Article › 査読

  • Diterpenes 100%
  • Racemate 85%
  • Diterpene 84%
  • Lipase 81%
  • Enol 79%
  16 被引用数 (Scopus)

• Diterpenes from Euphorbia helioscopia

  Yamamura, S., Shizuri, Y., Kosemura, S., Ohtsuka, J., Tayama, T., Ohba, S., Ito, M., Saito, Y. & Terada, Y., 1989, In: Phytochemistry. 28, 12, p. 3421-3436 16 p.

  研究成果: Article › 査読

  • euphornin 100%
  • Euphorbia helioscopia 70%
  • Euphorbia 64%
  • Diterpenes 55%
  • Diterpene 46%
  68 被引用数 (Scopus)

• Preparation and characterization of rhodium(III) complexes containing (2-aminoethyl)dimethylphosphine (edmp) or 1,2-bis(dimethylphosphino)ethane (dmpe). Structures of fac-[Rh(edmp)₃]³⁺,trans(Cl,Cl),cis(P,P)-[RhCl₂(edmp)₂]⁺, and trans-[RhCl₂(dmpe)₂]⁺

  Simonsen, K. P., Suzuki, N., Hamada, M., Kojima, M., Ohba, S., Saito, Y. & Fujita, J., 1989 1 1, In: Bulletin of the Chemical Society of Japan. 62, 12, p. 3790-3800 11 p.

  研究成果: Article › 査読

  Open Access
  10 被引用数 (Scopus)
• 1988

  Electron‐density distribution in crystals of dipotassium tetrachloropalladate(II) and dipotassium hexachloropalladate(IV), K₂[PdCl₄] and K₂[PdCl₆] at 120 K

  Takazawa, H., Ohba, S. & Saito, Y., 1988 12, In: Acta Crystallographica Section B. 44, 6, p. 580-585 6 p.

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

• Structure of a binuclear [(1R,2R)‐N,N'‐disalicylidene‐1,2‐cyclohexanediamine]titanium(IV) complex

  Aoyama, T., Ohba, S., Saito, Y., Sasaki, C., Kojima, M., Fujita, J. & Nakajima, K., 1988 7, In: Acta Crystallographica Section C. 44, 7, p. 1309-1311 3 p.

  研究成果: Article › 査読
  7 被引用数 (Scopus)
• 1987

  Basis‐set dependence of theoretical deformation density in NO₂⁻

  Kikkawa, T., Ohba, S., Saito, Y., Kamata, S. & Iwata, S., 1987 2, In: Acta Crystallographica Section B. 43, 1, p. 83-85 3 p.

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

• Structure of (5E)‐1α‐hydroxy‐10β,14‐epoxy‐4(15),5‐germacradiene‐9‐one

  Ishihara, M., Ohba, S., Saito, Y., Shizuri, Y., Yamaguchi, S. & Yamamura, S., 1987 12, In: Acta Crystallographica Section C. 43, 12, p. 2445-2447 3 p.

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

• The synthesis of a tricyclic hydroazulenone from exo-epoxygermacrene-Din connection with periplanone A

  Shizuri, Y., Yamaguchi, S., Yamamura, S., Ishihara, M., Ohba, S., Saito, Y., Niwa, M., Terada, Y. & Miyazaki, M., 1987, In: Tetrahedron Letters. 28, 33, p. 3831-3834 4 p.

  研究成果: Article › 査読

  • germacrene D 100%
  • Aluminum Chloride 75%
  • Germacrene D 74%
  • Epoxy Compounds 69%
  • Ether 57%
  13 被引用数 (Scopus)
• 1986

  Preparation and characterization of [RhCl₂(edpp)₂]⁺ (edpp=(2-aminoethyl)-diphenylphosphine). Crystal Structures of trans(Cl,Cl), cis(P,P)-[RhCl₂(edpp)₂]Cl·2C₂H₅OH and cis(Cl,Cl),trans(P,P)-[RhCl₂(edpp)₂]Cl·4H₂O

  GalsbØl, F., Kojima, M., Ishii, T., Ohba, S., Saito, Y. & Fujita, J., 1986 6, In: Bulletin of the Chemical Society of Japan. 59, 6, p. 1701-1707 7 p.

  研究成果: Article › 査読

  Open Access

  • Compound Isomer 100%
  • Crystal Structure 72%
  • Triclinic Space Group 65%
  • Bond Length 62%
  • Fractional Crystallization 50%
  8 被引用数 (Scopus)

• Structure of monoclinic o‐aminobenzoic acid

  Takazawa, H., Ohba, S. & Saito, Y., 1986 12, In: Acta Crystallographica Section C. 42, 12, p. 1880-1881 2 p.

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