発表論文など †

査読付き論文 †

2020年以降 †

1. H. Houjou, Y. Wang, S. Okamura, "粗視化座標系における分子間力の表現行列を利用した分子結晶のフォノンバンド計算の定式化", J. Comput. Chem. Jpn. 20 (2021) 147-149（日本コンピュータ化学会2021年秋季年会にて精選論文に選出）. [PDF]
2. H. Houjou, M. Seshimo, "Formulation of a phonon band calculation for molecular crystals using a coarse-grained coordinate approach under periodic boundary conditions", J. Math. Chem. 60 (2022) 613–636.[PDF]
3. K. Ishino, H. Shingai, Y. Hikita, I. Yoshikawa, H. Houjou, K. Iwase, “Cold Crystallization and the Molecular Structure of Imidazolium-Based Ionic Liquid Crystals with a p-Nitroazobenzene Moiety”, ACS Omega 6 (2021) 32869–32878. [PDF]
4. Y. Yang, H. Ikedo, H. Huang, I. Yoshikawa, H. Houjou, “Homologue Approach, an effective way to modify crystal packing: Distinct Odd–Even Effect on Chromic Functions of Salicylidenealkylamines and Finer Classification of Photochromic Behavior Associated with Crystalline Polymorphs”, Cryst. Growth & Des. 21 (2021) 4121–4132. [PDF]
5. H. Xin, S. Nakagawa, H. Houjou, N. Yoshie, “Insights into the Role of Hydrogen Bonds on the Mechanical Properties of Polymer Networks”, Macromolecules 54 (2021) 4070–4080. [PDF]
6. M. Isogai, M. Seshimo, H. Houjou, “Optimizing a Coarse-grained Space for Approximate Normal-mode Vibrations of Molecular Heterodimers”, J. Mol. Model. 27 (2021) 140. [PDF]
7. K. Nakayama, T. Manako, R. Koibuchi, I. Yoshikawa, H. Houjou, “Ratchet-type mechanism in a long-life photoproduct of salicylideneaniline enclathrated in a pillared-layer guanidium disulfonate structure”, RSC Advances 11 (2021) 13739– 13742. [PDF]
8. Z. Zhang, M. Suzuki, Y. Yang, I. Yoshikawa, Q. Yin, H. Houjou, "Seed-triggered solid-to-solid transformation between color polymorphs: striking differences between quasi-isomorphous crystals of dichloro-substituted salicylideneaniline regioisomers", Cryst.Eng.Comm 22 (2020) 4903. [PDF]
9. T. Mutai, T. Sasaki, S. Sakamoto, I. Yoshikawa, H. Houjou, S. Takamizawa, "A superelastochromic crystal", Nature Commun. 11 (2020) 1824. [PDF]
10. Y. Sasaki, S. Kojima, V. Hamedpour, R. Kubota, S. Takizawa, I. Yoshikawa, H. Houjou, Y. Kubo, T. Minami, "Accurate chiral pattern recognition for amines from just a single chemosensor", Chem. Sci. 11 (2020) 3790. [PDF]
11. T. Kuwabara, Y. Aoki, K. Sakajiri, K. Deguchi, S. Takamori, A. Hamano, K. Takano, H. Houjou, Y. Ishii, "Ruthenium Vinylidene Complexes Generated by Selective 1,2-Migration of P- and S-Substituents: Synthesis, Structures, and Dichromism Arising from an Intramolecular CH···O Hydrogen Bond", Organomet. 39 (2020) 711.[PDF]

    2015年-2019年 †

    1. Y. Suzuki, T. Kato, H. Huang, I. Yoshikawa, T. Mutai, H. Houjou, "Photochromism of salicylideneanilines bearing super bulky substituents: Single-crystal UV-vis spectroscopic examination of bleaching under variable temperature and visible-light irradiation", J. Photochem. Photobol. A 385 (2019) 112096.[PDF]
    2. R. Misawa, C. Matsuhashi, M. Yamaji, T. Mutai, I. Yoshikawa, H. Houjou, K. Noguchi, S. Maki, T. Hirano, "Halogen-substituent effect on the spectroscopic properties of 2-phenyl-6-dimethylaminobenzothiazoles", Tetrahedron Lett. 60 (2019) 1702. [PDF]
    3. T. Mutai, T. Muramatsu, I. Yoshikawa, H. Houjou, M. Ogura, "Development of Imidazo[1,2-a]pyridine Derivatives with an Intramolecular Hydrogen-Bonded Seven-Membered Ring Exhibiting Bright ESIPT Luminescence in the Solid State", Org. Lett. 217 (2019) 2143. [PDF]
    4. Y. Takahashi, T. Uehara, C. Matsuhashi, M. Yamaji, T. Mutai, I. Yoshikawa, H. Houjou, K. Kitagawa, T. Suenobu, S. Maki, T. Hirano, "Spectroscopic properties of push-pull 2-(4-carboxyphenyl)-6-dimethylaminobenzothiazole derivatives in solution and the solid state", J. Photochem. Photobol. A 376(2019) 324. [PDF]
    5. H. Houjou, T. Kato, H. Huang, Y. Suzuki, I. Yoshikawa, T. Mutai, “Re-evaluation of tert-butyl method in crystal engineering of salicylideneanilines by simultaneous observation of photochromism and thermochromism in single crystals”, Cryst. Growth & Des. (2019) 385, 112096.[PDF].
    6. H. Achira, I. Yoshikawa, H. Houjou, “Thermal and spectroscopic studies on the modification of the crystalline structure of a Schiff-base complex induced by a co-existing metallofoldamer in eutectic mixtures”, Thermochim. Acta 669 (2018) 52-59.[PDF]
    7. M. Isogai, H. Houjou, “Indices to evaluate the reliability of coarse-grained representations of mixed inter/intramolecular vibrations”, J. Mol. Model. (2018) 24:221.[PDF]
    8. T. Kuwabara, N. Shiga, S. Kodama, H. Sato, H. Houjou, Y. Ishii, “Dinuclear Nickel Complexes Doubly Bridged by Hydrogencyanamido Ligands: Synthesis, Structures and Magnetic Properties”, Eur. J. Inorg. Chem. (2018) 3413-3417.[PDF]
    9. K. Iwase, Y. Toyama, I. Yoshikawa, Y. Yamamura, K. Saito, H. Houjou, "Insight into a structural demand for cold crystallization of small molecule. A case study for Schiff base compounds that exhibit prototropic tautomerization", Bull. Chem. Soc. Jpn. 91 (2018) 669-677.[PDF]
    10. M. Hatazawa, R. Takahashi, J. Deng, H. Houjou, K. Nozaki, "Cationic Co–Salphen Complexes Bisligated by DMAP as Catalysts for the Copolymerization of Cyclohexene Oxide with Phthalic Anhydride or Carbon Dioxide", Macromolecules 50 (2017) 7895-7900.[PDF]
    11. H. Houjou, H. Ikedo, I. Yoshikawa, "Single-crystal UV-Vis spectroscopic examination of a striking odd-even effect on structure and chromic behaviour of salicylidene alkylamines", Chem. Commun. 53 (2017) 10898-10901.[PDF]
    12. H. Houjou, Y. Suzuki, Q.-W. Shen, I. Yoshikawa, T. Mutai,"Synthesis and Properties of Salicylaldehydes Fine-Tuned by Modular Assembly using “Plug-and-Socket”-Type Extendibility", Chem. Eur. J. 23 (2017) 8286-8294.[PDF]
    13. S. Fujino, M. Yamaji, H. Okamoto, T. Mutai, I. Yoshikawa, H. Houjou, F. Tanie, "Systematic investigations on fused π-system compounds of seven benzene rings prepared by photocyclization of diphenanthrylethenes", Photochem. Photobiol. Sci., 16 (2017) 925-934.[PDF]
    14. J. Otsuki, T. Sekine, Y. Kida, Y. Shinozaki, S. Kobayashi, T. Tamura, K. Sugawa, I. Yoshikawa, H. Houjou, H. Yoshikawa, A. Tsukamoto, "Spontaneous ligand nitrosation and self-assembly into a pentacopper metallacrown complex", Dalton Trans. 46 (2017) 2760-2764.[PDF]
    15. H. Houjou, Y. Hoga, Y.-L. Ma, H. Achira, I. Yoshikawa, T. Mutai, K. Matsumura, "Dinuclear fused salen complexes of group-10 metals: Peculiarity of the crystal structure and near-infrared luminescence of a bis(Pt-salen) complex", Inorg. Chim. Acta 461 (2017) 27-34.[PDF]
    16. H. Houjou, "Modelling intra- and intermolecular vibrations under the harmonic oscillator approximation: from symmetry-adapted to coarse-grained coordinate approaches", J. Math. Chem. 55 (2017) 532-551. [PDF]
    17. H. Houjou, K. Yagi, I. Yoshikawa, T. Mutai, K. Araki, "Effects of interaction between the chelate rings and π-conjugated systems in fused salphen complexes on UV-Vis-NIR spectra", J. Phys. Org. Chem. 30 (2017) e3635. [PDF]
    18. H. Achira, I. Yoshikawa, H. Houjou, "Supercooling and Cold Crystallization of Ni-salphen Complexes by Hybridization with Bis(Ni-salphen) Containing a Semiflexible Linker", Chem. Lett. 45 (2016) 1415-1417. [PDF]
    19. M. Isogai, H. Houjou, "Quantification of Inter/intramolecular Stiffness by Coarse-graining Intermolecular Vibrations of Homo/hetero-dimers", J. Comput. Chem. Jpn. 16 (2016) 60-62. [PDF]
    20. H. Achira, Y. Houga, I. Yoshikawa, T. Mutai, K. Matsumura, H. Houjou, “Effects of a semiflexible linker on the mechanochromic photoluminescence of bis(Pt-salen) complex”, Polyhedron, 113 (2016) 123-131.[PDF] (Selected as Cover Art of the issue)PDF
    21. S. Takeda, H. Yamada, T. Mutai, I. Yoshikawa, H. Houjou, "Triarylmethane Dye–Conjugated Hexanuclear Zinc Complexes: Photophysical Properties and Cyanide Anion-Binding Behavior", Dyes & Pigments, 121 (2015) 372-378.[PDF]
    22. K. Iwase, I. Yoshikawa, H. Houjou, Y. Yamamura, K. Saito, "Structural Isomerization and Cold Crystallization of Bis[1-(2-propyl)iminomethylnaphthalen-2-olato]nickel(II) by Thermal Analysis, X-ray Diffraction and FT-IR", Bull. Chem. Soc. Jpn., 88 (2015) 989-995. [PDF (open access)].
    23. H. Houjou, K. Yagi, I. Yoshikawa, T. Mutai, K. Araki, "Solid-State Characterization of a Fused Salphen–Nickel Metallopolymer Prepared via Transmetalation in a Heterogeneous Reaction System", J. Inorg. Organomet. Polym. Mater., 25 (2015) 906-911.[PDF]
    24. S. Takeda, H. Yamada, S. Takezawa, I. Yoshikawa, H. Seino, K. Matsumura, H. Houjou, “Photooxidation and Photoluminescence of Triarylmethane Dye–Conjugated Zinc Complexes: Optical Anisotropy and Optical Activity Emerging from Distinct Crystal Packing Modes”, Bull. Chem. Soc. Jpn.,88 (2015) 698-705.[PDF]

    2010年-2014年 †

    1. K. Iwase, Y. Nagano, I. Yoshikawa, H. Houjou, Y. Yamamura, K. Saito, “Cold crystallization in Schiff base nickel(II) compounds derived from three toluidine isomers”, J. Phys. Chem. C, 118 (2014) 27664-27671.
    2. S. Hara, H. Houjou, I. Yoshikawa, H. Sato, A. Yamano, Y. Namatame, T. Mutai, K. Araki, "Spectroscopic Tracking of Schiff Base Compounds’ Hydrogen Bonding Reorganization Associated with Solid-to-Solid Phase Transition", J. Phys. Chem. A, 18 (2014) 6979–6984.[PDF]
    3. Y. Shigemitsu, T. Mutai, H. Houjou, K. Araki, "Influence of intermolecular interactions on solid state luminescence of imidazopyridines: theoretical interpretations using FMO-TDDFT and ONIOM approaches", Phys. Chem. Chem. Phys. 16 (2014) 14388-14395.[PDF]
    4. H. Achira, M. Ito, T. Mutai, I. Yoshikawa, K. Araki, H. Houjou, "Spontaneous Helical Folding of Bis(Ni-salphen) Complexes in Solution and in Solid States: Spectroscopic Tracking of Unfolding Process Induced by Na+ ion", Dalton Trans. 43 (2014) 5899-5907.[PDF]
    5. H. Houjou, M. Kamura, Y. Nagano, M. Ito, S. Aomori, M. Oh-e, "Striking effects of cobalt (III) nuclearity in fused salphen complexes on their electroconductivity and thin film transistor activity", Org. Electronics 14 (2013) 3472-3476.[PDF]
    6. H. Houjou, H. Shingai, I. Yoshikawa, K. Araki, "Mutual Interference between Intramolecular Proton Transfer Sites through the Adjoining π-Conjugated System in Schiff Bases of Double-Headed, Fused Salicylaldehydes", J. Org. Chem. 78 (2013) 9021-9031.[PDF]
    7. K. Iwase, H. Houjou, Y. Yamamura, K. Saito, "Cold Crystallization in Bis[1-(3-methylphenyl)iminomethylnaphthalen-2-olato]nickel(II) Studied by Thermal Analysis and X-ray Diffraction", Chem. Lett. 42 (2013) 1040-1042.[PDF]
    8. H. Shingai, H. Houjou, I. Yoshikawa, K. Araki, "A redox-active, amphoteric pyrogallolaldehyde derivative: electrochemical characterization and Schiff base formation for constructing multifunctional salphen complexes", Bull. Chem. Soc.Jpn. 86 (2013) 698-706 (Selected Papers of this issue).[PDF]
    9. Y. Shigemitsu, T. Mutai, H. Houjou, K. Araki, "Excited-state intramolecular proton transfer (ESIPT) emission of hydroxyphenylimidazopyridine: Computational study on enhanced and polymorph-dependent luminescence in the solid state", J. Phys. Chem. A 116 (2012) 12041-12048.[PDF]
    10. K. Yagi, M. Ito, H. Houjou, "Facile Preparation of Fully π-Conjugated Metallopolymer Composed of Fused Salphen Complex", Macromol. Rapid Commun. 33 (2012) 540-544.[PDF]
    11. H. Houjou, "Evaluation of coupling terms between intra- and intermolecular vibrations in coarse-grained normal-mode analysis: Does a stronger acid make a stiffer hydrogen bond?", J. Chem. Phys. 135 (2011) 154111.[PDF]
    12. S. Hara, H. Houjou, I. Yoshikawa, K. Araki, "Relation between Crystal Packing and Optical Anisotropy for Schiff Base-Nickel Complexes that Form Various Ladder-like Hydrogen-Bonding Networks", Cryst. Growth Des. 11 (2011) 1513-1521.[PDF]
    13. H. Houjou, M. Ito, K. Araki, "Comparison of the Spectroscopic Properties of π-Conjugated, Fused Salphen Triads Embedded with Zn-Homo-, Ni-Homo-, and Ni/Zn-Heteronuclei", Inorg. Chem. 50 (2011) 5298-5306.[PDF]
    14. H. Houjou, S. Takezawa, I. Oyamada, H. Seino, I. Yoshikawa, Y. Mizobe, K. Araki, "Blue/red linear dichroic emission from a highly anisotropic crystal of triarylmethane dye conjugated with phenoxo-zinc complex", Chem. –Eur. J. 17 (2011) 1122-1127 (Hilighted with frontispiece).[PDF]
    15. M. Kamura, Y. Kuzumoto, S. Aomori, H. Houjou, M. Kitamura, Y. Arakawa, "Synthesis and investigation of p-conjugated azomethine self-assembles multilayers by layer-by-layer growth", Thin Solid Films, 518 (2010) 5115-5120.[PDF]

    2005年-2009年

    1. H. Houjou, M. Ito, K. Araki, "Twin Salphen: Asymmetric Heterodinuclear Complexes {MaMbL | Ma, Mb = Ni, Cu, Zn} of a Symmetrically Fused Salphen Ligand", Inorg. Chem. 48 (2009) 10703-10707.[PDF]
    2. H. Houjou, "Coarse graining of intermolecular vibrations by Karhunen-Loève transformation of atomic displacement vectors", J. Chem. Theor. Comput. 5 (2009) 1814-1821.[PDF]
    3. H. Houjou, M. Kokubun, I. Yoshikawa, K. Araki, "A High-contrast dichroic crystal: a new metal-containing tecton with hybrid coordination- and hydrogen-bonding interactions", Chem. Lett. 38 (2009) 436-437.[PDF]
    4. H. Houjou, T. Koga, M. Akiizumi, I. Yoshikawa, K. Araki, "Synthesis and structural analysis of triphenylmethane-based alkanecarboxamide and their assembly into nanometer-sized fibrous objects", Bull. Chem. Soc. Jpn. 82 (2009) 730-736.[PDF]
    5. N. Dixit, L. Mishra, S. M. Mustafi, K. V. R. Chary, and H. Houjou, “Synthesis of a ruthenium (II) bipyridyl complex coordinated by a functionalized Schiff base ligand: Characterization, spectroscopic and isothermal titration calorimetry measurements of M2+ binding and sensing (M2+ = Ca2+, Mg2+)”, Spectrochim. Acta. A: Mol. Biomol. Spectrosc., 73 (2009) 29-34.[PDF]
    6. H. Houjou, T. Motoyama, K. Araki, “Electronic spectra of mono- and dinuclear complexes of fully π-conjugated salphen ligands synthesized by using 2,6-dihydroxynaphthalene carbaldehydes”, Eur. J. Inorg. Chem. 2009, 533-538.[PDF]
    7. H. Houjou, T. Motoyama, S. Banno, I. Yoshikawa, K. Araki, “Experimental and theoretical studies on constitutional isomers of 2,6-dihydroxynaphthalene carbaldehydes. Effects of resonance-assisted hydrogen bonding on the electronic absorption spectra”, J. Org. Chem. 74 (2009) 520-529 (Featured Article).[PDF]
    8. H. Houjou, R. Koga, “Explicit representation of anisotropic force constants for simulating intermolecular vibrations of multiply hydrogen-bonded systems”, J. Phys. Chem. A, 112 (2008) 11256-11262.[PDF]
    9. Y. Kikkawa, H. Tokuhisa, H. Shingai, T. Hiraishi, H. Houjou, M. Kanesato, T. Imanaka, T. Tanaka, “Interaction force of chitin-binding domains onto chitin surface”, Biomacromolecules, 9 (2008) 2126-2131.[PDF]
    10. H. Houjou, Y. Watanabe, K. Araki, “Preparation of anisotropic crystalline metallopolymers using π-conjugated Schiff base-nickel complex”, Polymer Preprints, 48 (2007) 661-662.
    11. A. Matsuura, H. Sato, H. Houjou, S. Saito, T. Hayashi, M. Sakurai, “Accurate evaluation of of the absorption maxima of retinal proteins based on a hybrid QM/MM method”, J. Comput. Chem., 27 (2006) 1623-1630.[PDF]
    12. M. Karikomi, M. Yamada, Y. Ogawa, H. Houjou, K. Seki, K. Hiratani, K. Haga, and T. Uyehara, “Novel synthesis of a unique helical quione derivative by coupling reaction of 2-hydroxybenzo[c]phenanthrene”, Tetrahedron Lett., 46 (2005) 5867-5869. [PDF]
    13. S. Mizukami, H. Houjou, K. Sugaya, H. Tokuhisa, E. Koyama, T. Sasaki and M. Kanesato, “Fluorescence color modulation by intramolecular and intermolecular π-π interactions in a helical zinc(II) complex”, Chem. Mater., 17 (2005) 50-56. [PDF]
    14. H. Houjou, T. Sasaki, Y. Shimizu, N. Koshizaki, and M. Kanesato, “Fabrication of mixed Zn/Cu-bound polyimine microsphere with fine-tuned diameter and internal gradation of metal composition”, Adv. Mater., 17 (2005) 606-610. [PDF

    2004年以前

    1. H. Houjou, N. Schneider, R. Ruppert, Y. Nagawa, M. Kanesato, and K. Hiratani, “NMR observations of interligand interference in the molecular motion of double-stranded dinuclear helicates”, Eur. J. Inorg. Chem., (2004) 4216-4222. [PDF]
    2. H. Houjou, S. Tsuzuki, Y. Nagawa, M. Kanesato, and K. Hiratani, “Ab initio GIAO study on the conformation-dependent chemical shifts of olefinic protons in isobutenylene chains”, J. Mol. Struct. (THEOCHEM), 683 (2004) 133-139. [PDF]
    3. H. Houjou, M. Kanesato, K. Hiratani, and D. Mandon, “Structural and electrochemical studies of novel bis(μ-methoxo)diiron complexes: Observation of FeIIIFeIV and FeIVFeIV states resonating with phenoxyl radicals”, Chem. Eur. J., 10 (2004) 4576-4583. [PDF]
    4. M. Albrecht, I. Janser, H. Houjou, and R. Florich, “Long-range stereocontrol in the self-assembly of two-nanometer dimensioned triple-stranded dinuclear helicates”, Chem. Eur. J. 10 (2004) 2839-2850. [PDF]
    5. M. Kanesato, S. Mizukami, H. Houjou, H. Tokuhisa, E. Koyama, and Y. Nagawa, “Comparison of the bond lengths for the lanthanoide complexes of tripodal heptadentate ligands”, J. Alloys. Compds. 374 (2004) 307-310. [PDF]
    6. N. Kameta, K. Hiratani, H. Houjou, and M. Kanesato, “Synthesis of the boron complex composed of the noncyclic ligands having plural hydroxy groups and the binding ability toward lanthanoid ions”, Chem. Lett. 33 (2004) 142-143. [PDF]
    7. H. Houjou, S. Tsuzuki, Y. Nagawa, M. Kanesato, and K. Hiratani, “Factors affecting the conformational preference and magnetic shieldings of isobutenylene chains in macrocyclic salicylideneaniline derivatives”, Bull. Chem. Soc. Jpn. 76 (2003) 2405-2411. [PDF]
    8. H. Houjou, Y. Shimizu, N. Koshizaki, and M. Kanesato, “A novel macromolecular complex: Fabrication of monodispersed colloidal microspheres by precipitation polymerization of imine chains and concomitant transition metal binding”, Adv. Mater. 15 (2003) 1458-1461. [PDF]
    9. S. Mizukami, H. Houjou, Y. Nagawa, and M. Kanesato, “First helical zinc(II) complex with a salene ligand”, Chem. Commun. (2003) 1148-1149. [PDF]
    10. H. Houjou, A. Iwasaki, T. Ogihara, M. Kanesato, S. Akabori, and K. Hiratani, “The architecture of dinuclear Ni and Cu complexes: twisted and parallel forms controlled by the self-assembly of Schiff base ligands”, New J. Chem. 27 (2003) 886-889. [PDF]
    11. S. Mizukami, H. Houjou, Masatoshi Kanesato, “Adjustment of twist angles in pseudo-helical lanthanide complexes by the size of metal ions”, Chem. Eur. J. 9 (2003) 1521-1528. [PDF]
    12. M. Kanesato, H. Houjou, Y. Nagawa, and K. Hitratani, “Synthesis and characterization of dinuclear lanthanide(III) and yttrium(III) cryptates of a hexavalent anionic polydentate ligand”, Inorg. Chem. Commun. 5 (2002) 984-988.[PDF]
    13. K. Hiratani, J. Suga, Y. Nagawa, H. Houjou, H. Toskuhisa, M. Numata, and K. Watanabe, “A new synthetic method for rotaxanes via tandem Claisen rearrangement, diesterification, and aminolysis”, Tetrahedron Lett. 43 (2002) 5747-5750. [PDF]
    14. S. Tsuzuki, H. Houjou, Y. Nagawa, and K. Hiratani, “The second stable conformation of the methoxy groups of o-dimethoxybenzene: stabilization of perpendicular conformation by CH-O interaction”, J. Chem. Soc. Perkin Trans. 2 (2002) 1271-1273. [PDF]
    15. M. Numata, K. Hiratani, Y. Nagawa, H. Houjou, S. Masubuchi, and S. Akabori, “Efficient synthesis of novel macrocyclic tetraamide compounds: a unique reaction process involving both self-assembly and folding of intermediates”, New. J. Chem. 26 (2002) 503-507. [PDF]
    16. H. Houjou, S. Tsuzuki, Y. Nagawa, K. Hiratani, “Conformational study of isobutenylene chains in tandem Claisen rearrangement products. Insight from X-ray crystallography and 1H NMR for salicylideneaniline derivatives”, Bull. Chem. Soc. Jpn. 75 (2002) 831-839. [PDF]
    17. M. L. N. Rao, H. Houjou, K. Hiratani, “Self-assembly of double stranded dinuclear titanium(IV) complexes and formation of intramolecular μ-oxo bridges”, Chem. Commun. (2002) 420-421. [PDF]
    18. S. Tsuzuki, H. Houjou, Y. Nagawa and K. Hiratani, “Effects of CH-O and CH-π interactions on the conformational preference of a crownophane core unit”, J. Chem. Soc. Perkin Trans. 2 (2001) 1951-1955. [PDF]
    19. M. L. N. Rao, H. Houjou, K. Hiratani, “Novel synthesis of macrocycles with chalcone moieties through mixed aldol reaction”, Tetrahedron Lett. 42 (2001) 8351-8355. [PDF]
    20. M. Yoda, H. Houjou, Y. Inoue, M. Sakurai, “Spectral turning of photoactive yellow protein. Theoretical and experimental analysis of medium effects on the absorption spectrum of the chromophore”, J. Phys. Chem. B. 105 (2001) 9887-9895. [PDF]
    21. H. Houjou, S-K. Lee, Y. Nagawa, K. Hitratani, “A macrocyclic effect on the reduction of p-quinones”, Supramolecular Chem. 13 (2001) 683-692. [PDF]
    22. H. Houjou, Y. Nagawa, K. Hiratani, “Spontaneous macrocyclization via recombination of a Schiff-base linkage”, Tetrahedron Lett. 42 (2001) 3861-3863. [PDF]
    23. S. Tsuzuki, H. Houjou, Y. Nagawa, M. Goto, K. Hiratani, “Cooperative enhancement of water binding to crownophane by multiple hydrogen bonds: analysis by high level ab initio calculations”, J. Am. Chem. Soc. 123 (2001) 4255-4258. [PDF]
    24. H. Houjou, Y. Inoue, M. Sakurai, “Study of opsin shift of bacteriorhodopsin: Insight from QM/MM calculations with electronic polarization effects of the protein environment”, J. Phys. Chem. B 105 (2001) 867-879. [PDF]
    25. S. Tsuzuki, H. Houjou, Y. Nagawa, K. Hiratani, “Conformational analysis of the core unit of crownophanes by ab initio calculations: 1,1-Dibenzylethylene and related compounds”, J. Chem. Soc. Perkin Trans. 2 (2000) 2448-2452. [PDF]
    26. H. Houjou, S-K. Lee, Y. Hishikawa, Y. Nagawa, K. Hiratani, “Highly selective formation of 2:2 macrocycles from a novel hydroxybenzaldehyde and diamines”, Chem. Commun. (2000) 2197-2198. [PDF]
    27. S. Tsuzuki, H. Houjou, Y. Nagawa, K. Hiratani, “High-level ab initio calculations of tortional potential of phenol, anisol, and o-hidroxyanisole: effects of intermolecular hydrogen bond” J. Phys. Chem. A, 104 (2000) 1332-1336. [PDF]
    28. H. Houjou, K. Hiratani, Y. Nagawa, M. Goto, "Synthesis and crystal structures of novel macrocyclic compounds and their inclusion phenomenon" Tetrahedron Lett. 40 (1999) 6639-6642. [PDF]
    29. H. Houjou, K. Koyama, M. Wada, K. Sameshima, Y. Inoue, M. Sakurai, "Effects of the protein electrostatic environment on the absorption maximum of bacteriorhodopsin." Chem. Phys. Lett. 294 (1998) 162-166. [PDF]
    30. H. Houjou, Y. Inoue, M. Sakurai,"Physical origin of the opsin shift of bacteriorhodopsin. Comprehensive analysis based on medium effect theory of absorption spectra" J. Am. Chem. Soc. 120 (1998) 4459-4470. [PDF]
    31. H. Houjou, M. Sakurai, Y. Inoue, "Theoretical evaluation of medium effects on absorption maxima of molecular solutes 1. Formulation of a new method based on the self-consistent reaction field theory" J. Chem. Phys. 107 (1997) 5652-5660. [PDF]
    32. H. Houjou, M. Sakurai, Y. Inoue, “Medium effects on absorption maxima of protonated retinylidene schiff bases as models of rhodopsin" Chem. Lett. (1996) 1075-1076. [PDF]
    33. H. Houjou, M. Sakurai, N. Asakawa, Y. Inoue, Y. Tamura, "Ab Initio study of 13C shieldings for linear -conjugated systems. Theoretical determination of the C12-C13 conformation in the chromophore of rhodopsin" J. Am. Chem. Soc. 118 (1996) 8904-8915. [PDF]
    34. H. Houjou, Y. Otsuka, Y. Tanii, C. Hinoshita, S. Horii, Y. Murata, “Kramers-Krönig analysis of a-Si/SiNX interface structure”, J. Electron Microsc. 44 (1995) 414-418. [PDF]
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総説・解説・総合論文 †

1. 北條博彦「メタロポリマーのin situ重合による微粒子形成」表面　8 (2005) 1-12.
2. 北條博彦「有機−金属配位高分子を用いたメゾスコピック材料の開発」生産研究　57 (2005) 98-101.
3. H. Houjou, M. Kanesato, and K. Hiratani, “Synthesis and functions of Macrocycles Utilizing Self-assembling”, J. Syn. Org. Chem. Jpn. 62 (2004) 194-204.（北條博彦、金里雅敏、平谷和久「自己集合性を利用する大環状化合物の合成と機能」有機合成化学協会誌）[PDF]
4. 北條博彦，奥野和彦，松延剛，嘉本律，石田英之「最新の分析技術による液晶関連材料の評価」科学と工業　69 (1995) 158-167.

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