原著論文・総説・著書

• Enantiopure and quasiracemic crystals of 7-substituted tryptophan derivatives: modulation of molecular arrangement for functionalized crystals
  Tsuchiya, Y.; Ohata, M.; Chisuga, T.; Nakano, S.; Ito, S.*
  CrystEngComm 2025, DOI: 10.1039/D5CE00099H.

• Multi-color luminescent crystals derived from dynamic diastereomers of a perylene-substituted binaphthol derivative
  Yano, R.; Ito, S.*
  Chem. Commun. 2025, 61, 5305–5308.

• Contrasting Mechanochromic Luminescence of Enantiopure and Racemic Pyrenylprolinamides: Elucidating Solid-State Excimer Orientation by Circularly Polarized Luminescence
  Ito, S.*; Wakiyama, S.; Chen, H.; Abekura, M.; Uekusa, H.; Ikemura, R.; Imai, Y.*
  Angew. Chem. Int. Ed. 2025, 64, e202422913.
  (Open Access, Selected as Frontispiece, Press Release: EurekAlert!, YNU, Kindai Univ., Science Tokyo, JST)

• Development of Innovative Luminescent Functional Molecules Based on Fine Organic Synthesis
  Ito, S.*
  J. Synth. Org. Chem. Jpn. 2025, 83, 25–33.

• Structural and Photophysical Differences in Crystalline Trigonal Planar Copper Iodide Complexes with 1,2-Bis(methylpyridin-2-yl)disilane Ligands
  Zhao, Y.; Nakae, T.; Segawa, K.; Yoshida, M.; Kato, M.; Omoto, K.; Ito, S.*; Yamada, T.*; Yamanoi, Y.*
  Inorg. Chem. 2024, 63, 22361–22371.

• Social Self-Sorting of Quasi-Racemates: A Unique Approach for Dual-Pore Molecular Crystals
  Kimoto, M.; Sugiyama, S.; Kumano, K.; Inagaki, S.; Ito, S.*
  J. Am. Chem. Soc. 2024, 146, 17559–17565.
  (Open Access, Press Release: EurekAlert!, YNU, JST)

• Dual-Stimuli-Responsive Turn-On Luminescence of Chiral Bisimidazolyl BINOL Dimethyl Ether Crystals
  Murata, H.; Suzuki, S.; Terakubo, K.; Imai, Y.*; Ito, S.*
  Chem. Asian J. 2024, 19, e202400293.
  (Open Access, Selected as Front Cover)

• Fused heteroaromatic donor–acceptor fluorophores: enhanced brightness and variable emission characteristics
  Sumida, A.; Takahashi, S.; Nagai, S.; Ito, S.*
  Chem. Lett. 2024, 53, upae047.

• Self-Recovering Mechanochromic Luminescence
  Ito, S.
  Organic and Inorganic Materials Based Sensors ed. by Das, S.; Thomas, S.; Das, P. P. Wiley-VCH, 2024, Chap. 35, pp. 815–840.

• Mechanoresponsive Fluorescence On–off Switching of Two-component Emitters Composed of Mechanochromically Luminescent Dyes and Non-emissive Pigments
  Kubota, R.; Takahashi, S.; Nagai, S.; Ito, S.*
  Chem. Asian J. 2023, 18, e202300124.
  (Read Only Link)

• Solvates of a dianisyl-substituted donor–acceptor-type benzothiadiazole: mechanochromic, vapochromic, and acid-responsive multicolor luminescence
  Yagi, T.; Tachikawa, T.; Ito, S.*
  CrystEngComm 2023, 25, 2379–2389.

• Wide-range Tricolor Mechanochromic Luminescence of Organic Two-component Dyes: Different Responses Toward Thermal and Solvent Treatments
  Munakata, M.; Ito, S.*
  Chem. Lett. 2023, 52, 276–279.

• A Series of D‒A‒D Structured Disilane-Bridged Triads: Structure and Stimuli-Responsive Luminescence Studies
  Miyabe, H.; Ujita, M.; Nishio, M.; Nakae, T.; Usuki, T.; Ikeya, M.; Nishimoto, C.; Ito, S.; Hattori, M.; Takeya, S.; Hayashi, S.; Saito, D.; Kato, M.; Nishihara, H.; Yamada, T.; Yamanoi, Y.*
  J. Org. Chem. 2022, 87, 8928–8938.

• Tunable mechanochromic luminescence via surface protonation of pyridyl-substituted imidazole crystals
  Kubota, R.; Yuan, Y.; Yoshida, R.; Tachikawa, T.*; Ito, S.*
  Mater. Adv. 2022, 3, 5826–5835.

• Extension of the mechanoresponsive luminescence shift via formation of a doped organic crystal
  Yoshida, R.; Tachikawa, T.*; Ito, S.*
  Chem. Commun. 2022, 58, 6781–6784.
  (Selected as Front Cover)

• Dual-channel recognition of Al³⁺ and Cu²⁺ ions using a chiral pyrene-based fluorescent sensor
  Matsuura, Y.; Asami, M.; Ito, S.*
  New J. Chem. 2022, 46, 7864–7871.
  (Selected as Front Cover)

• Luminescent polymorphic crystals: mechanoresponsive and multicolor-emissive properties
  Ito, S.*
  CrystEngComm 2022, 24, 1112–1126.
  (Invited Review, Selected as Front Cover, Selected as HOT article)

• Mechanochromic luminescence of soft crystals: Recent systematic studies in controlling the molecular packing and mechanoresponsive properties
  Ito, S.*
  J. Photochem. Photobiol., C 2022, 51, 100481.
  (Invited Review, Special Issue on Soft Crystals)

• Mechano- and Thermo-responsive Luminescence of Crystalline Thienylbenzothiadiazole Derivatives: Stepwise Hypsochromic Switching of Near-Infrared Emission
  Yoshida, R.; Tachikawa, T.*; Ito, S.*
  Cryst. Growth Des. 2022, 22, 547–558.
  (Special Issue on Emerging Investigators 2022)

• Luminescent Behavior Elucidation of a Disilane-Bridged D‒A‒D Triad Composed of Phenothiazine and Thienopyrazine
  Nakae, T.; Nishio, M.; Usuki, T.; Ikeya, M.; Nishimoto, C.; Ito, S.; Nishihara, H.; Hattori, M.; Hayashi, S.; Yamada, T.; Yamanoi, Y.*
  Angew. Chem. Int. Ed. 2021, 60, 22871–22878.

• Mechanochromic Luminescence (MCL) of Purely Organic Two-Component Dyes: Wide-Range MCL over 300 nm and Two-Step MCL by Charge-Transfer Complexation
  Ito, S.*; Sekine, R.; Munakata, M.; Yamashita, M.; Tachikawa, T.*
  Chem. Eur. J. 2021, 27, 13982–13990.
  (Read Only Link, Selected as Cover Feature)

• In Situ Exploration of Stimulus-Induced Emission Changes in Mechanochromic Dyes
  Yamashita, M.; Nagai, S.; Ito, S.*; Tachikawa, T.*
  J. Phys. Chem. Lett. 2021, 12, 7826–7831.
  

• Multi-color mechanochromic luminescence of three polymorphic crystals of a donor–acceptor-type benzothiadiazole derivative
  Ito, S.*, Nagai, S.; Ubukata, T.; Tachikawa, T.
  CrystEngComm 2021, 23, 5899–5907.
  (Open Access, Special Issue on Mechanically responsive crystalline materials)

• Mechanochromic Luminescence and Solid-State Circularly Polarized Luminescence of a Chiral Diamine-Linked Bispyrene
  Ito, S.*, Sekine, R.; Munakata, M.; Asami, M.; Tachikawa, T.; Kaji, D.; Mishima, K.; Imai, Y.*
  ChemPhotoChem 2021, 5, 920–925.
  (Read Only Link, Selected as Front Cover, Highlighted in Cover Profile)

• Recent Advances in Mechanochromic Luminescence of Organic Crystalline Compounds
  Ito, S.*
  Chem. Lett. 2021, 50, 649–660.
  (Invited Review, Open Access)
  

• Two types of two-step mechanochromic luminescence of phenanthroimidazolylbenzothiadiazoles
  Takahashi, S.; Nagai, S.; Asami, M.; Ito, S.*
  Mater. Adv. 2020, 1, 708–719.
  (Open Access)

• Relationship between Crystal Structure, Crystal Morphology, and Mechanochromic Luminescence of Triphenylimidazolylbenzothiadiazole Derivatives
  Ito, S.*; Nagai, S.; Ubukata, T.; Ueno, T.; Uekusa, H.
  Cryst. Growth Des. 2020, 20, 4443–4453.

• Switching the Direction of Mechano-responsive Emission Color Change of Triphenylimidazolylbenzothiadiazole
  Ito, S.*; Nagai, S.; Ubukata, T.; Asami, M.
  Chem. Lett. 2019, 48, 1492–1495.

• Tunable mechanochromic luminescence of 2-alkyl-4-(pyren-1-yl)thiophenes: controlling the self-recovering properties and the range of chromism
  Ikeya, M.; Katada, G.; Ito, S.*
  Chem. Commun. 2019, 55, 12296–12299.
  (Selected as Back Cover)

• Sequential halochromic/mechanochromic luminescence of pyridyl-substituted solid-state emissive dyes: thermally controlled stepwise recovery of the original emission color
  Ito, S.*; Nishimoto, C.; Nagai, S.
  CrystEngComm 2019, 21, 5699–5706.
  (Open Access, Selected as Cover)

• Efficient and versatile mechanochromic luminescence of phenanthroimidazolylbenzothiadiazoles: tricolor switching and directional control over the chromism
  Nagai, S.; Yamashita, M.; Tachikawa, T.*; Ubukata, T.; Asami, M.; Ito, S.*
  J. Mater. Chem. C 2019, 7, 4988–4998.
  (Selected as Inside Back Cover)

• Tricolor mechanochromic luminescence of an organic two-component dye: visualization of a crystalline state and two amorphous states
  Ito, S.*; Katada, G.; Taguchi, T.; Kawamura, I.; Ubukata, T.; Asami, M.
  CrystEngComm 2019, 21, 53–59.
  (Selected as Back Cover)

• Synthesis of Macrocyclic Hexamine from Naphthalene-based C₂-Symmetric Chiral Diamine and Dialdehyde
  Ito, S.*; Okada, S.; Sue, R.; Asami, M.*
  Chem. Lett. 2018, 47, 340–343.

• Differentiation of enantiomeric anions by NMR spectroscopy with chiral bisurea receptors
  Ito, S.*; Okuno, M.; Asami, M.*
  Org. Biomol. Chem. 2018, 16, 213–222.
  (Selected as Cover)

• Concentration-dependent circularly polarized luminescence (CPL) of chiral N,N’-dipyrenyldiamines: sign-inverted CPL switching between monomer and excimer regions under retention of the monomer emission for photoluminescence
  Ito, S.*; Ikeda, K.; Nakanishi, S.; Imai, Y.*; Asami, M.*
  Chem. Commun. 2017, 53, 6323–6326.
  (Selected as Back Cover)

• Indolylbenzothiadiazoles with varying substituents on the indole ring: a systematic study on the self-recovering mechanochromic luminescence
  Ito, S.*; Taguchi, T.; Yamada, T.; Ubukata, T.; Yamaguchi, Y.; Asami, M.
  RSC Adv. 2017, 7, 16953–16962.

• Dibenzofuran-based C₂-Symmetric Chiral Diamines: Their Synthesis and Chiral Recognition Properties
  Ito, S.*; Ikeda, K.; Asami, M.*
  Chem. Lett. 2016, 45, 1379–1381.

• Two-Step Mechanochromic Luminescence of N,N’-Bis-Boc-3,3’-di(pyren-1-yl)-2,2’-biindole
  Ito, S.*; Yamada, T.; Asami, M.
  ChemPlusChem 2016, 81, 1272–1275.

• Switching of the solid-state guest selectivity: solvent-dependent selective guest inclusion in a crystalline macrocyclic boronic ester
  Ito, S.; Ono, K.; Johmoto, K.; Uekusa, H.; Iwasawa, N.*
  Chem. Sci. 2016, 7, 5765–5769.

• N-Boc-Indolylbenzothiadiazole Derivatives: Efficient Full-Color Solid-State Fluorescence and Self-Recovering Mechanochromic Luminescence
  Ito, S.*; Yamada, T.; Taguchi, T.; Yamaguchi, Y.; Asami, M.
  Chem. Asian J. 2016, 11, 1963–1970.

• Enantioselective addition of diethylzinc to aldehydes catalyzed by o-xylylene-type chiral 1,4-amino alcohols with an aminal structure
  Asami, M.*; Hasome, A.; Yachi, N.; Hosoda, N.; Yamaguchi, Y.; Ito, S.
  Tetrahedron: Asymmetry 2016, 27, 322–329.

• Pummerer Reaction of Sulfoxides in Acetic Anhydride Catalyzed by Al-MCM-41
  Ito, S.*; Kubota, Y.; Asami, M.*
  Chem. Lett. 2016, 45, 16–18.
  (Highlighted in Synfacts 2016, 12, 0431)

• Enantioselective addition of diethylzinc to aldehydes catalyzed by (R)-1-phenylethylamine-derived 1,4-amino alcohols
  Asami, M.*; Miyairi, N.; Sasahara, Y.; Ichikawa, K.; Hosoda, N.; Ito, S.
  Tetrahedron 2015, 71, 6796–6802.

• Optical Resolution of C₂-Symmetric Racemic 1,4-Diols with o-Xylylene Structure by Chiral Resolving Agent (S)-ALBO-V
  Asami, M.*; Zhong, L.; Sekiguchi, N.; Yamada, K.; Hiwatashi, Y.; Taniguchi, T.; Hosoda, N.; Ito, S.
  Bull. Chem. Soc. Jpn. 2015, 88, 966–968.

• Enantioselective Addition of Diethylzinc to Aldehydes Catalyzed by Diastereomeric 1,4-Amino Alcohols with o-Xylylene Skeleton
  Asami, M.*; Nagai, A.; Sasahara, Y.; Ichikawa, K.; Ito, S.; Hosoda, N.
  Chem. Lett. 2015, 44, 345–347.

• Mesoporous aluminosilicate-catalyzed Mukaiyama aldol reaction of aldehydes and acetals
  Ito, S.; Tanuma, K.; Matsuda, K.; Hayashi, A.; Komai, H.; Kubota, Y.; Asami, M.*
  Tetrahedron 2014, 70, 8498–8504.

• Procedure-Dependent Construction of Two Isomers of Trimeric Self-Assembled Boronic Esters
  Ono, K.; Aizawa, R.; Yamano, T.; Ito, S.; Yasuda, N.; Johmoto, K.; Uekusa, H.; Iwasawa, N.*
  Chem. Commun. 2014, 50, 13683–13686.

• 1,3-Addition of silyl enol ethers to nitrones catalyzed by mesoporous aluminosilicate
  Ito, S.; Kubota, Y.; Asami, M.*
  Tetrahedron Lett. 2014, 55, 4930–4932.
  (Highlighted in Synfacts 2014, 10, 1217)

• Release and Recovery of Guest Molecules during the Reversible Borate Gel Formation of Guest-Included Macrocyclic Boronic Esters
  Ito, S.; Takata, H.; Ono, K.; Iwasawa, N.*
  Angew. Chem. Int. Ed. 2013, 52, 11045–11048.

• Controlled Self-Assembly of Multiple Diastereomeric Macrocyclic Boronic Esters Composed of Two Chiral Units
  Ito, S.; Ono, K.; Iwasawa, N.*
  J. Am. Chem. Soc. 2012, 134, 13962–13965.

• Mesoporous aluminosilicate-catalyzed allylation of carbonyl compounds and acetals
  Ito, S.; Hayashi, A.; Komai, H.; Yamaguchi, H.; Kubota, Y.; Asami, M.*
  Tetrahedron 2011, 67, 2081–2089.

• Mesoporous aluminosilicate-catalyzed Sakurai allylation and Mukaiyama aldol reaction of acetals
  Ito, S.; Hayashi, A.; Komai, H.; Kubota, Y.; Asami, M.*
  Tetrahedron Lett. 2010, 51, 4243–4245.
  (Highlighted in Synfacts 2010, 1202)

• Mukaiyama Aldol Reaction Catalyzed by Mesoporous Aluminosilicate
  Ito, S.; Yamaguchi, H.; Kubota, Y.; Asami, M.*
  Chem. Lett. 2009, 38, 700–701.
  (Highlighted in Synfacts 2009, 1172)

• Mesoporous aluminosilicate-catalyzed allylation of aldehydes with allylsilanes
  Ito, S.; Yamaguchi, H.; Kubota, Y.; Asami, M.*
  Tetrahedron Lett. 2009, 50, 2967–2969.

• Asymmetric total synthesis of (+)-curcutetraol and (+)-sydonol
  Ito, S.; Zhang, C.; Hosoda, N.; Asami, M.*
  Tetrahedron 2008, 64, 9879–9884.

• First asymmetric total synthesis of (+)-curcutetraol
  Zhang, C.; Ito, S.; Hosoda, N.; Asami, M.*
  Tetrahedron Lett. 2008, 49, 2552–2554.