All Stories

  1. Crystal structure of 7-iodo-4-oxo-4H-chromene-3-carbaldehyde

    Article • Acta Crystallographica Section E Crystallographic Communications, November 2016, International Union of Crystallography

    Yoshinobu Ishikawa

  2. Crystal structure of 6,7-dichloro-4-oxo-4H-chromene-3-carbaldehyde

    Article • Acta Crystallographica Section E Crystallographic Communications, August 2015, International Union of Crystallography

    Yoshinobu Ishikawa

  3. Crystal structure of 4-oxo-4H-chromene-3-carboxylic acid

    Article • Acta Crystallographica Section E Crystallographic Communications, July 2015, International Union of Crystallography

    Yoshinobu Ishikawa

  4. Crystal structure of ethyl 8-chloro-4-oxo-1,4-dihydroquinoline-3-carboxylate

    Article • Acta Crystallographica Section E Crystallographic Communications, July 2015, International Union of Crystallography

    Yoshinobu Ishikawa

  5. Crystal structure of 8-bromo-4-oxo-4H-chromene-3-carbaldehyde

    Article • Acta Crystallographica Section E Crystallographic Communications, July 2015, International Union of Crystallography

    Yoshinobu Ishikawa

  6. Crystal structure of 7,8-dichloro-4-oxo-4H-chromene-3-carbaldehyde

    Article • Acta Crystallographica Section E Crystallographic Communications, July 2015, International Union of Crystallography

    Yoshinobu Ishikawa

  7. Crystal structure of 3-acetyl-4H-chromen-4-one

    Article • Acta Crystallographica Section E Crystallographic Communications, June 2015, International Union of Crystallography

    Yoshinobu Ishikawa

  8. Crystal structure of 6-bromo-7-fluoro-4-oxo-4H-chromene-3-carbaldehyde

    Article • Acta Crystallographica Section E Crystallographic Communications, June 2015, International Union of Crystallography

    Yoshinobu Ishikawa

  9. Crystal structure of 3-(hydroxymethyl)chromone

    Article • Acta Crystallographica Section E Crystallographic Communications, June 2015, International Union of Crystallography

    Yoshinobu Ishikawa

  10. Crystal structure of (3,5-dichloro-2-hydroxyphenyl){1-[(naphthalen-1-yl)carbonyl]-1H-pyrazol-4-yl}methanone

    Article • Acta Crystallographica Section E Structure Reports Online, November 2014, International Union of Crystallography

    Yoshinobu Ishikawa

  11. Crystal structure of (3,5-dibromo-2-hydroxyphenyl){1-[(naphthalen-1-yl)carbonyl]-1H-pyrazol-4-yl}methanone

    Article • Acta Crystallographica Section E Structure Reports Online, August 2014, International Union of Crystallography

    Yoshinobu Ishikawa

  12. Crystal structure of 7-bromo-4-oxo-4H-chromene-3-carbaldehyde

    Article • Acta Crystallographica Section E Structure Reports Online, August 2014, International Union of Crystallography

    Yoshinobu Ishikawa

  13. (E)-3,4,5-Trimethoxy-N′-[(6-methoxy-4-oxo-4H-chromen-3-yl)methylidene]benzohydrazide monohydrate

    Article • Acta Crystallographica Section E Structure Reports Online, July 2014, International Union of Crystallography

    Yoshinobu Ishikawa

  14. 7-Chloro-4-oxo-4H-chromene-3-carbaldehyde

    Article • Acta Crystallographica Section E Structure Reports Online, July 2014, International Union of Crystallography

    Yoshinobu Ishikawa

  15. 6-Chloro-7-fluoro-4-oxo-4H-chromene-3-carbaldehyde

    Article • Acta Crystallographica Section E Structure Reports Online, June 2014, International Union of Crystallography

    Yoshinobu Ishikawa

  16. 6-Chloro-7-methyl-4-oxo-4H-chromene-3-carbaldehyde

    Article • Acta Crystallographica Section E Structure Reports Online, June 2014, International Union of Crystallography

    Yoshinobu Ishikawa

  17. (E)-4-Methoxy-N′-[(6-methyl-4-oxo-4H-chromen-3-yl)methylidene]benzohydrazide monohydrate

    Article • Acta Crystallographica Section E Structure Reports Online, June 2014, International Union of Crystallography

    Yoshinobu Ishikawa

  18. 8-Fluoro-4-oxo-4H-chromene-3-carbaldehyde

    Article • Acta Crystallographica Section E Structure Reports Online, June 2014, International Union of Crystallography

    Yoshinobu Ishikawa

  19. 6-Iodo-4-oxo-4H-chromene-3-carbaldehyde

    Article • Acta Crystallographica Section E Structure Reports Online, June 2014, International Union of Crystallography

    Yoshinobu Ishikawa

  20. 8-Chloro-4-oxo-4H-chromene-3-carbaldehyde

    Article • Acta Crystallographica Section E Structure Reports Online, June 2014, International Union of Crystallography

    Yoshinobu Ishikawa

  21. Ethyl 8-methoxy-4-oxo-1,4-dihydroquinoline-3-carboxylate

    Article • Acta Crystallographica Section E Structure Reports Online, May 2014, International Union of Crystallography

    Yoshinobu Ishikawa

  22. Diethyl 7,7′-dichloro-4-oxo-4H-[1,4′-biquinoline]-3,3′-dicarboxylate

    Article • Acta Crystallographica Section E Structure Reports Online, May 2014, International Union of Crystallography

    Yoshinobu Ishikawa

  23. 6-Fluoro-4-oxo-4H-chromene-3-carbaldehyde

    Article • Acta Crystallographica Section E Structure Reports Online, April 2014, International Union of Crystallography

    Yoshinobu Ishikawa

  24. 6-Bromo-4-oxo-4H-chromene-3-carbaldehyde

    Article • Acta Crystallographica Section E Structure Reports Online, April 2014, International Union of Crystallography

    Yoshinobu Ishikawa

  25. (E)-4-Methyl-N′-[(4-oxo-4H-chromen-3-yl)methylidene]benzohydrazide

    Article • Acta Crystallographica Section E Structure Reports Online, April 2014, International Union of Crystallography

    Yoshinobu Ishikawa

  26. 6-Chloro-8-nitro-4-oxo-4H-chromene-3-carbaldehyde

    Article • Acta Crystallographica Section E Structure Reports Online, April 2014, International Union of Crystallography

    Yoshinobu Ishikawa

  27. 6,8-Diiodo-4-oxo-4H-chromene-3-carbaldehyde

    Article • Acta Crystallographica Section E Structure Reports Online, April 2014, International Union of Crystallography

    Yoshinobu Ishikawa

  28. 6-Chloro-4-oxo-4H-chromene-3-carbaldehyde

    Article • Acta Crystallographica Section E Structure Reports Online, April 2014, International Union of Crystallography

    Yoshinobu Ishikawa

  29. Diethyl 4-oxo-4H-[1,4′-biquinoline]-3,3′-dicarboxylate

    Article • Acta Crystallographica Section E Structure Reports Online, April 2014, International Union of Crystallography

    Yoshinobu Ishikawa

  30. 3-Acetyl-2-fluoro-6H-benzo[c]chromen-6-one

    Article • Acta Crystallographica Section E Structure Reports Online, March 2014, International Union of Crystallography

    Yoshinobu Ishikawa

  31. (E)-3,4,5-Trimethoxy-N′-[(4-oxo-4H-chromen-3-yl)methylidene]benzohydrazide

    Article • Acta Crystallographica Section E Structure Reports Online, March 2014, International Union of Crystallography

    Yoshinobu Ishikawa

  32. 6,8-Dibromo-4-oxo-4H-chromene-3-carbaldehyde

    Article • Acta Crystallographica Section E Structure Reports Online, March 2014, International Union of Crystallography

    Yoshinobu Ishikawa

  33. A Script for Automated 3-Dimentional Structure Generation and Conformer Search from 2-Dimentional Chemical Drawing

    Article • Bioinformation, December 2013, Biomedical Informatics

    Yoshinobu Ishikawa

  34. 4′-Acetyl-3′′-carbamoyl-[1,1′:3′,1′′-terphenyl]-2-carboxylic acid

    Article • Acta Crystallographica Section E Structure Reports Online, September 2013, International Union of Crystallography

    Yoshinobu Ishikawa

  35. (E)-3-{[([1,1′-Biphenyl]-3-ylmethyl)iminiumyl]methyl}-6,8-dichloro-2H-chromen-4-olate

    Article • Acta Crystallographica Section E Structure Reports Online, August 2013, International Union of Crystallography

    Yoshinobu Ishikawa

  36. 6,8-Dichloro-4-oxochromene-3-carbaldehyde

    Article • Acta Crystallographica Section E Structure Reports Online, August 2013, International Union of Crystallography

    Yoshinobu Ishikawa

  37. ChemInform Abstract: Regiocomplementary Cycloaddition Reactions of Boryl‐ and Silylbenzynes with 1,3‐Dipoles: Selective Synthesis of Benzo‐Fused Azole Derivatives.

    Article • ChemInform, July 2013, Wiley

    Yoshinobu Ishikawa

  38. 2-(Benzyloxy)isoquinoline-1,3(2H,4H)-dione

    Article • Acta Crystallographica Section E Structure Reports Online, July 2013, International Union of Crystallography

    Yoshinobu Ishikawa

  39. 2-Hydroxyisoquinoline-1,3(2H,4H)-dione

    Article • Acta Crystallographica Section E Structure Reports Online, July 2013, International Union of Crystallography

    Yoshinobu Ishikawa

  40. 3-[(E)-(Benzyliminiumyl)methyl]-6,8-dichloro-2H-chromen-4-olate

    Article • Acta Crystallographica Section E Structure Reports Online, July 2013, International Union of Crystallography

    Yoshinobu Ishikawa

  41. (E)-6,8-Dichloro-3-{[(naphthalen-1-ylmethyl)iminiumyl]methyl}-2H-chromen-4-olate

    Article • Acta Crystallographica Section E Structure Reports Online, July 2013, International Union of Crystallography

    Yoshinobu Ishikawa

  42. Ethyl (Z)-4′-(4-ethoxy-1-hydroxy-3,4-dioxobut-1-en-1-yl)-[1,1′-biphenyl]-3-carboxylate

    Article • Acta Crystallographica Section E Structure Reports Online, July 2013, International Union of Crystallography

    Yoshinobu Ishikawa

  43. Regiocomplementary Cycloaddition Reactions of Boryl- and Silylbenzynes with 1,3-Dipoles: Selective Synthesis of Benzo-Fused Azole Derivatives

    Article • The Journal of Organic Chemistry, March 2013, American Chemical Society (ACS)

    Yoshinobu Ishikawa

  44. Novel candesartan derivatives as indoleamine 2,3-dioxygenase inhibitors

    Article • MedChemComm, January 2012, Royal Society of Chemistry

    Yoshinobu Ishikawa

  45. Binding mode prediction and inhibitor design of anti-influenza virus diketo acids targeting metalloenzyme RNA polymerase by molecular docking

    Article • Bioinformation, June 2011, Biomedical Informatics

    Yoshinobu Ishikawa

  46. ortho‐Selective Nucleophilic Addition of Primary Amines to Silylbenzynes: Synthesis of 2‐Silylanilines

    Article • Angewandte Chemie, May 2011, Wiley

    Yoshinobu Ishikawa

  47. ortho‐Selective Nucleophilic Addition of Primary Amines to Silylbenzynes: Synthesis of 2‐Silylanilines

    Article • Angewandte Chemie International Edition, May 2011, Wiley

    Yoshinobu Ishikawa

  48. 1,1’,1’’,1’’’-[Porphyrin-5,10,15,20-tetrayltetrakis(3,1-phenylenemethylene)]tetraquinolinium Tetrabromide

    Article • Molbank, November 2010, MDPI AG

    Yoshinobu Ishikawa

  49. Zinc(II)-5,10,15,20-tetrakis(α-pyridino-m-tolyl)porphyrin Tetrabromide

    Article • Molbank, November 2009, MDPI AG

    Yoshinobu Ishikawa

  50. Binding of Cationic Bis-porphyrins Linked with p- or m-Xylylenediamine and Their Zinc(II) Complexes to Duplex DNA

    Article • Molecules, December 2008, MDPI AG

    Yoshinobu Ishikawa

  51. Synthetic control of interchromophoric interaction in cationic bis-porphyrins toward efficient DNA photocleavage and singlet oxygen production in aqueous solution

    Article • Bioorganic & Medicinal Chemistry, August 2007, Elsevier

    Yoshinobu Ishikawa

  52. Stabilization of guanine quadruplex DNA by the binding of porphyrins with cationic side arms

    Article • Bioorganic & Medicinal Chemistry, April 2005, Elsevier

    Yoshinobu Ishikawa

  53. Mechanism of formation of iron(ii) complexes with pentadentate ligands via C–C bond formation between trans-[Fe(2,4-bis(2-pyridylmethylimino)pentane)(MeCN)2][ClO4]2·MeCN and various nitriles

    Article • Dalton Transactions, January 2005, Royal Society of Chemistry

    Yoshinobu Ishikawa

  54. Crystal Structure of a Copper(II) Complex of N-Anthracen-9-ylmethyl-N,N′,N′-tris-pyridin-2-ylmethyl-ethane-1,2-diamine

    Article • Analytical Sciences X-ray Structure Analysis Online, January 2004, Japan Society for Analytical Chemistry

    Yoshinobu Ishikawa

  55. Inversion of Axial Coordination in Myoglobin to Create a “Proximal” Ligand Binding Pocket

    Article • Biochemistry, July 2003, American Chemical Society (ACS)

    Yoshinobu Ishikawa

  56. Modeling the acetyl coenzyme a synthase active site

    Article • Journal of Inorganic Biochemistry, July 2003, Elsevier

    Yoshinobu Ishikawa

  57. Self-Aggregation Inhibits the Photonuclease Activity of Porphyrins

    Article • Chemical and Pharmaceutical Bulletin, January 2003, Pharmaceutical Society of Japan

    Yoshinobu Ishikawa

  58. Copper Insertion Facilitates Water-Soluble Porphyrin Binding to rA·rU and rA·dT Base Pairs in Duplex RNA and RNA·DNA Hybrids

    Article • Biochemistry, October 2002, American Chemical Society (ACS)

    Yoshinobu Ishikawa

  59. DNA cleavage by pentadentate iron(II) complexes containing fluoro-substituted phenyl groups

    Article • Bioorganic & Medicinal Chemistry Letters, January 2002, Elsevier

    Yoshinobu Ishikawa

  60. Cysteine Thiolate Coordination in the Ferrous CO Complex of an Engineered Cytochrome b562

    Article • Journal of the American Chemical Society, February 2001, American Chemical Society (ACS)

    Yoshinobu Ishikawa

  61. Solution Properties and Photonuclease Activity of Cationic Bis-porphyrins Linked with a Series of Aliphatic Diamines.

    Article • Chemical and Pharmaceutical Bulletin, January 2001, Pharmaceutical Society of Japan

    Yoshinobu Ishikawa

  62. Efficient Photocleavage of DNA by Cationic Porphyrin. Acridine Hybrids with the Effective Length of Diamino Alkyl Linkage.

    Article • Chemical and Pharmaceutical Bulletin, January 2001, Pharmaceutical Society of Japan

    Yoshinobu Ishikawa

  63. Engineering a Ligand Binding Pocket into a Four-Helix Bundle Protein Cytochrome b562

    Article • Journal of the American Chemical Society, December 2000, American Chemical Society (ACS)

    Yoshinobu Ishikawa

  64. Synthesis, spectroscopic, redox properties, and DNA cleavage activity of low-spin iron(III) complexes of bleomycin analogues

    Article • Inorganica Chimica Acta, November 1999, Elsevier

    Yoshinobu Ishikawa

  65. New Robust Bleomycin Analogues:  Synthesis, Spectroscopy, and Crystal Structures of the Copper(II) Complexes.

    Article • Inorganic Chemistry, September 1999, American Chemical Society (ACS)

    Yoshinobu Ishikawa

  66. New Robust Bleomycin Analogues:  Synthesis, Spectroscopy, and Crystal Structures of the Copper(II) Complexes

    Article • Inorganic Chemistry, May 1999, American Chemical Society (ACS)

    Yoshinobu Ishikawa

  67. Oxidative and Random Cleavage of DNA by the Novel Iron(II) Complex Capable of Yielding an Iron(III) Hydroperoxide Intermediate.

    Article • Chemistry Letters, January 1998, Chemical Society of Japan

    Yoshinobu Ishikawa

  68. Iron(II) complexes with novel pentadentate ligands via C–C bond formation between various nitriles and [2,4-bis(2-pyridylmethylimino)pentane]iron(II) perchlorate: synthesis and structures ‡

    Article • Journal of the Chemical Society Dalton Transactions, January 1998, Royal Society of Chemistry

    Yoshinobu Ishikawa

  69. Synthesis of an iron(ii) complex versatile for preparation of iron(ii) complexes with novel pentadentate ligands via C–C bond formation with various nitriles: 1,3-dimethyl-1,3-propanediylidenebis(2-pyridylmethanamine)iron(ii) perchlorate

    Article • Chemical Communications, January 1997, Royal Society of Chemistry

    Yoshinobu Ishikawa

  70. The First Trigonal-bipyramidal Structure of Zinc(II) Complex of a Bleomycin Model.

    Article • Chemistry Letters, January 1995, Chemical Society of Japan

    Yoshinobu Ishikawa