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2025

111

Triarylmethane dye ethynologue with a fused julolidine motif as a compact dye in the near infrared range

Hayato Kitaoka, Kazuki Kobayashi, Motohiro Yasui, Tsutomu Konno, Shigeyuki Yamada*
New J. Chem., 2025, xx, xx (https://doi.org/10.1039/D5NJ01519G).

110

Engineering visible-to-ultraviolet emission switching of benzothiazole-based mechanoresponsive materials [カバーピクチャーに選定]

Riku Yoshino, Kazuki Kobayashi, Peiyuan Yang, Hiroki Fukumoto, Motohiro Yasui, Shigeyuki Yamada, Tsutomu Konno, Masato Morita*,
CrystEngComm, 2025, 27, 5398–5403 (https://doi.org/10.1039/D5CE00379B).

109

Effect of fluoro-substituents on the phase behavior of donor-π-acceptor-type tolane-based liquid crystals containing decylenoxy chain with imidazolium end groups

Yuto Eguchi, Masato Morita, Motohiro Yasui, Tsutomu Konno, Shigeyuki Yamada*,
J. Mol. Liq., 2025, 426, 127479 (https://doi.org/10.1016/j.molliq.2025.127479).

108

Solid-state red fluorescence of intramolecularly ring-fused donor-π-acceptor-type fluorinated diphenylacetylenes achieved by enhancing intramolecular charge transfer properties

Kazuki Kobayashi, Shigeyuki Yamada*, Masato Morita, Tsuneaki Sakurai, Motohiro Yasui, Tsutomu Konno,
J. Mater. Chem. C, 2025, 13(3), 1369–1377 (https://doi.org/10.1039/D4TC02957G).

2024

107

Synthesis of Janus All-Cis Tetrafluorocyclohexanes Carrying 1,4-Diether Motifs

Thomas J. Poskin, Bruno A. Piscelli, Aidan P. McKay, David B. Cordes, Yuto Eguchi, Shigeyuki Yamada, Rodrigo A. Cormanich*, David O'Hagan*,
J. Org. Chem., 2024, 89(24), 18445–18451 (https://doi.org/10.1021/acs.joc.4c02345).

106

Access to optically active tetrafluoroethylenated amines based on [1,3]-proton shift reaction

Yuta Kabumoto, Eiichiro Yoshimoto, Bing Xiaohuan, Masato Morita, Motohiro Yasui, Shigeyuki Yamada, Tsutomu Konno*,
Beilstein J. Org. Chem., 2024, 20, 2776–2783 (https://doi.org/10.3762/bjoc.20.233).

105

Photoluminescence color-tuning with polymer-dispersed fluorescent films containing two fluorinated diphenylacetylene-type fluorophores

Kazuki Kobayashi, Shigeyuki Yamada*, Motohiro Yasui, Tsutomu Konno,
Beilstein J. Org. Chem., 2024, 20, 2682–2690 (https://doi.org/10.3762/bjoc.20.225).

104

Difluorinated tolane-based photoluminescent liquid crystals with imidazolium salt-terminated flexible chains: Thermophysical and photophysical properties

Shigeyuki Yamada*, Yuto Eguchi, Tomohiro Yasuda, Keigo Yoshida, Mitsuo Hara, Motohiro Yasui, Tsutomu Konno,
J. Mol. Liq., 2024, 408, 125361 (https://doi.org/10.1016/j.molliq.2024.125361).

103

(1E)-1,2-Diaryldiazene Derivatives Containing a Donor-π-Acceptor-Type Tolane Skeleton as Smectic Liquid-Crystalline Dyes [Selected as COVER PICTURE]

Shigeyuki Yamada*, Keigo Yoshida, Yuto Eguchi, Mitsuo Hara, Motohiro Yasui, Tsutomu Konno,
Compounds, 2024, 4(2), 288–300 (https://doi.org/10.3390/compounds4020015).

102

Unsymmetrical and C3-Symmetrical Partially Fluorinated Hexaarylbenzenes: Effect of Terminal Alkoxy Chain Length on Photophysical and Thermophysical Behavior

Yizou Wang, Shigeyuki Yamada*, Motohiro Yasui, Tsutomu Konno,
Symmetry, 2024, 16(3), 314 (https://doi.org/10.3390/sym16030314).

101

Synthesis and optical properties of dithieno-1,4-thiaborins bearing electron-donating amino groups

Tomohiro Agou*, Shota Hayama, Naoya Takano, Shigeyuki Yamada, Tsutomu Konno, Toshiyuki Oshiki, Hidehito Komatsuzaki, Hiroki Fukumoto*,
Bull. Chem. Soc., Jpn., 2024, 97(2), uoae014 (https://doi.org/10.1093/bulcsj/uoae014).

100

A first example of a palladium-catalyzed allylic substitution reaction at a perfluoroalkylene-attached asymmetric carbon center with carbon, nitrogen, and oxygen nucleophiles

Machiko Kawazoe, Motohiro Yasui, Shigeyuki Yamada, Tsutomu Konno*,
J. Fluorine Chem., 2024, 273, 110234 (https://doi.org/10.1016/j.jfluchem.2023.110234).

99

Effects of fluorine atoms introduced into flexible chains or mesogeninc structures on their liquid-crystalline and photoluminescence characteristics

Shigeyuki Yamada*, Keigo Yoshida, Mitsuo Hara, Tomohiro Agou, Motohiro Yasui, Tsutomu Konno,
J. Mol. Liq., 2024, 393, 123545 (https://doi.org/10.1016/j.molliq.2023.123545).

2023

98

Experimental and Theoretical Studies on Cobalt-Catalylzed Regioselective Hydrosilylation of Tetrafluorinated Cyclohexa-1,3-dienes

Kento Nagai, Suguru Morishitabara, Yuji Nishi, Chihiro Kajimoto, Motohiro Yasui, Takashi Yumura, Shigeyuki Yamada, Tsutomu Konno*,
Org. Lett., 2023, 25(38), 6975–6981 (https://doi.org/10.1021/acs.orglett.3c02453).

97

Effects of Tetrafluorocyclohexa-1,3-diene Ring Position on Photoluminescence and Liquid-Crystalline Properties of Tricyclic π-Conjugated Molecules

Haruka Ohsato, Shigeyuki Yamada*, Motohiro Yasui, Tsutomu Konno*,
Crystals, 2023, 13(8), 1208 (https://doi.org/10.3390/cryst13081208).

96

Donor-π-Acceptor-Type Fluorinated Tolane Containing a Semifluoroalkoxy Chain as a Condensed-Phase Luminophore

Shigeyuki Yamada*, Keigo Yoshida, Mitsuki Kataoka, Mitsuo Hara, Tsutomu Konno,
Molecules, 2023, 28(6), 2764 (https://doi.org/10.3390/molecules28062764).

95

Fluorinated Merophosphinine and Phosphinine Dyes: Synthesis and Evaluation of UV-Visible Light Absorption Properties

Shigeyuki Yamada*, Yusuke Takahashi, Tsutomu Konno,
Compounds, 2023, 3(1), 155–168 (https://doi.org/10.3390/compounds3010013).

94

Effects of peripheral ring fluorination on the photophysical properties of hexaarylbenzenes

Yizou Wang, Shigeyuki Yamada*, Tsutomu Konno,
J. Fluorine Chem., 2023, 266, 110086 (https://doi.org/10.1016/j.jfluchem.2023.110086).

93

Development of Hydrogen-Bonded Dimer-Type Photoluminescent Liquid Crystals of Fluorinated Tolanecarboxylic Acid

Shigeyuki Yamada*, Mitsuki Kataoka, Keigo Yoshida, Masakazu Nagata, Tomohiro Agou, Hiroki Fukumoto, Tsutomu Konno,
Crystals, 2023, 13(1), 25 (https://doi.org/10.3390/cryst13010025).

2022

92

A novel terminal modification of perfluoropolyethers

Machiko Kawazoe, Masaki Ueda, Shigeyuki Yamada, Tsutomu Konno*, Shinya Takano, Takashi Nomura,
J. Fluorine Chem., 2022, 264, 110049 (https://doi.org/10.1016/j.jfluchem.2022.110049).

91

Photophysical and thermophysical behavior of D-π-A-type fluorinated diphenylacetylenes bearing an alkoxy and an ethoxycarbonyl group at both longitudinal molecular terminals

Shigeyuki Yamada*, Mitsuki Kataoka, Keigo Yoshida, Masakazu Nagata, Tomohiro Agou, Hiroki Fukumoto, Tsutomu Konno,
J. Fluorine Chem., 2022, 261-262, 110032 (https://doi.org/10.1016/j.jfluchem.2022.110032).

90

Development of Yellow-to-Orange Photoluminescence Molecules Based on Alterations in the Donor Units of Fluorinated Tolanes

Shigeyuki Yamada*, Kazuki Kobayashi, Tsutomu Konno,
Molecules, 2022, 27(18), 5782 (https://doi.org/10.3390/molecules27185782).

89

Development of photoluminescent liquid-crystalline dimers bearing two fluorianted tolane-based luminous mesogens

Shigeyuki Yamada*, Eiji Uto, Keigo Yoshida, Tsuneaki Sakurai, Tsutomu Konno, 
J. Mol. Liq., 2022, 363, 119844 (https://doi.org/10.1016/j.molliq.2022.119884).

88

Development of thermoresponsive near-infrared photoluminescent liquid crystals using hexyloxi-terminated fluorinated tolane dimers connected with an alkylene spacer

Shigeyuki Yamada*, Eiji Uto, Tsuneaki Sakurai, Tsutomu Konno,
J. Mol. Liq., 2022, 362, 119755 (https://doi.org/10.1016/j.molliq.2022.119755).

87

Janus faced fluorocyclohexanes for supramolecular assembly: Synthesis and solid state structures of equatorial mono-, di- and trialkylated cyclohexanes and with tri-axial C–F bonds to impart polarity

Thomas J. Poskin, Bruno A. Piscelli, Keigo Yoshida, David B. Cordes, Alexandra M. Z. Slawin, Rodrigo A. Coumanich, Shigeyuki Yamada, David O'Hagan*,
Chem. Commun., 2022, 58(57), 7968–7971 (https://doi.org/10.1039/D2CC03010A).

86

Aggregation-induced enhanced fluorescence by hydrogen bonding in π-Conjugated tricarbocycles with a CF2CF2-containing cyclohexa-1,3-diene skeleton

Haruka Ohsato, Masato Morita, Shigeyuki Yamada*, Tomohiro Agou, Hiroki Fukumoto, Tsutomu Konno*,
Mol. Syst. Des. Eng., 2022, 7(9), 1129–1137 (https://doi.org/10.1039/D2ME00055E).

85

Effect of fluorine atoms in flexible chains on the phase transitions and photophysical behavior of D-π-A-type 4-alkoxy-4'-cyanophenylacetylene

Shigeyuki Yamada*, Keigo Yoshida, Tsuneaki Sakurai, Mitsuo Hara, Tsutomu Konno,
Mol. Syst. Des. Eng., 2022, 7(7), 720–724 (https://doi.org/10.1039/D2ME00057A).

84

Halogen atom effect of fluorinated tolanes on their luminescence characteristics [Selected as COVER PICTURE]

Masato Morita, Shigeyuki Yamada*, Tsutomu Konno,
New J. Chem., 2022, 46(10), 4562–4569 (https://doi.org/10.1039/D1NJ05539A).

83

Fluorinated tolane-baed fluorophores bearing a branched flexible unit with aggregation-induced emission enhancement characteristics

Shigeyuki Yamada*, Masaya Sato, Eiji Uto, Mitsuki Kataoka, Masato Morita, Tsutomu Konno,
New J. Chem., 2022, 46(7), 3392–3400 (https://doi.org/10.1039/D1NJ05822C).

82

D-π-A-Type fluorinated tolanes with a diphenylamino group: Crystal polymorphism formation and photophysical behavior

Shigeyuki Yamada*, Kazuki Kobayashi, Masato Morita, Tsutomu Konno,
CrystEngComm, 2022, 24(5), 936–941 (https://doi.org/10.1039/D1CE01671G).

81

Synthesis and Photoluminescence Properties of Fluorine-Containing Poly(phenylene vinylene) Bearing Hexafluorocyclopentene-Fused Phenanthrene Unit

Hiroki Fukumoto*, Kazuki Shiitsuka, Keisuke Yamada, Shigeyuki Yamada, Tsutomu Konno, Toshio Kubota, Tomohiro Agou*, 
Polym. Int., 2022, 71(1), 117–123 (https://doi.org/10.1002/pi.6291).

80

Preparation and synthetic applications of novel tetrafluoroethylenating zinc reagent with a triple bond as its functional group

Chihiro Kajimoto, Takuto Kataoka, Shota Kageyama, Haruka Ohsato, Shigeyuki Yamada, Tsutomu Konno*,
J. Fluorine Chem., 2022, 253, 109929 (https://doi.org/10.1016/j.jfluchem.2021.109929).

2021

79

Unsymmetrical Hexafluorocyclopentene-Linked Twisted π-Conjugated Molecules as Dual-State Emissive Luminophores

Shigeyuki Yamada*, Akito Nishizawa, Kazuki Kobayashi, Keigo Yoshida, Masato Morita, Tomohiro Agou, Takaaki Hosoya, Hiroki Fukumoto, Tsutomu Konno,
Symmetry, 2021, 13(10), 1885 (https://doi.org/10.3390/sym13101885).

78

Effect of Fluoroalkyl-Substituent in Bistolane-Based Photoluminescent Liquid Crystals on Their Physical Behavior

Shigeyuki Yamada*, Yizou Wang, Masato Morita, Qingzhi Zhang, David O'Hagan, Masakazu Nagata, Tomohiro Agou, Hiroki Fukumoto, Toshio Kubota, Mitsuo Hara, Tsutomu Konno,
Crystals, 2021, 11(4), 450 (https://doi.org/10.3390/cryst11040450).

77

Systematic Studies on the Effect of Fluorine Atoms in Fluorinated Tolanes on Their Photophysical Properties

Masato Morita, Shigeyuki Yamada*, Tsutomu Konno,
Molecules, 2021, 26(8), 2274 (https://doi.org/10.3390/molecules26082274).

76

Novel multi-functionalized fluorine-containing organometallics: Preparation and applications of tetrafluoroethylenated zinc reagent

Chihiro Kajimoto, Shigeyuki Yamada, Tsutomu Konno*,
J. Fluorine Chem., 2021, 245, 109781 (https://doi.org/10.1016/j.jfluchem.2021.109781).

75

Cobalt-Catalyzed C–H Activation/Annulation of Benzamides with Fluorine-Containing Alkynes: A Route to 3- and 4-Fluoroalkylated Isoquinolinones

Tatsuya Kumon, Jianyan Wu, Miroku Shimada, Shigeyuki Yamada, Tomohiro Agou, Hiroki Fukumoto, Toshio Kubota, Gerald B. Hammond, Tsutomu Konno*,
J. Org. Chem., 2021, 86(7), 5183–5196 (https://doi.org/10.1021/acs.joc.1c00080).

74

Practical Synthesis of α-Trifluoromethylated Pyridines Based on Regioselective Cobalt-Catalyzed [2+2+2] Cycloaddition Using Trifluoromethylated Diynes with Nitriles

Tatsuya Kumon, Shigeyuki Yamada, Tomohiro Agou, Hiroki Fukumoto, Toshio Kubota, Gerald B. Hammond, Tsutomu Konno*,
Adv. Synth. Catal., 2021, 363(7), 1912–1922 (https://doi.org/10.1002/adsc.202001433).

73

Synthesis of Carbazole-Fused Azaborines via a Pd-Catalyzed C–H Activation-Cyclization Reaction

Masakazu Nagata, Taku Oshiro, Yoshiyuki Mizuhata, Norihiro Tokitoh, Takaaki Hosoya, Shigeyuki Yamada, Tsutomu Konno, Hiroki Fukumoto*, Toshio Kubota*, Tomohiro Agou*,
Bull. Chem. Soc. Jpn., 2021, 94(1), 21–23 (https://doi.org/10.1246/bcsj.20200129).

2020

72

Excited-State Dynamics of Room-Temperature Phosphorescent Organic Materials Based on Monobenzil and Bisbenzil Frameworks

Kaveendra Maduwantha, Shigeyuki Yamada, Kaveenga Rasika Koswattage, Tsutomu Konno, Takuya Hosokai*,
Materials, 2020, 13(17), 3904 (https://doi.org/10.3390/ma13173904).

71

Regioselective cobalt(II)-cataluzed [2+3] cycloaddition reaction of fluoroalkylated alkynes with 2-formylphenylboronic acids: Easy access to 2-fluoroalkylated indenols

Tatsuya Kumon, Miroku Shimada, Jianyan Wu, Shigeyuki Yamada, Tsutomu Konno*,
Beilstein J. Org. Chem., 2020, 16, 2193–2200 (https://doi.org/10.3762/bjoc.16.184).

70

Fluorinated Tolane Dyads with Alkylene Linkage: Synthesis and Evaluation of Photophysical Characteristics

Shigeyuki Yamada*, Eiji Uto, Tomohiro Agou, Toshio Kubota, Tsutomu Konno,
Crystals, 2020, 10(8), 711 (https://doi.org/10.3390/cryst10080711).

69

Synthesis and Characterization of Photoluminescence Liquid Crystals Based on Flexible Chain-Bearing Pentafluorinated Bistolanes

Shigeyuki Yamada*, Masaya Sato, Tsutomu Konno,
Crystals, 2020, 10(7), 603 (https://doi.org/10.3390/cryst10070603).

68

Development of fluorinated benzils and bisbenzils as room-temperature phosphorescent molecules

Shigeyuki Yamada*, Takuya Higashida, Yizou Wang, Masato Morita, Takuya Hosokai, Kaveendra Maduwantha, Kaveenga Rasika Koswattage, Tsutomu Konno,
Beilstein J. Org. Chem., 2020, 16, 1154–1162 (https://doi.org/10.3762/bjoc.16.102).

67

Fluorine-induced emission enhancement of tolanes via formation of tight molecular aggregates

Masato Morita, Shigeyuki Yamada*, Tsutomu Konno,
New J. Chem., 2020, 44(17), 6704–6708 (https://doi.org/10.1039/D0NJ01268H).

66

Visible-Transparent Aromatic Polymers Obtained by the Polycondensation of a Bis(trifluorovinyl)benzene with Bisphenols

Tomohiro Agou*, Kazuto Yoshinari, Tomohiro Shirai, Shigeyuki Yamada, Tsutomu Konno, Yoshiyuki Mizuhata, Norihiro Tokitoh, Sana Yasuda, Takashi Yamazaki, Hiroki Fukumoto*, Toshio Kubota*,
Macromolecules, 2020, 53(8), 2942–2949 (https://doi.org/10.1021/acs.macromol.0c00157).

65

Facile preparation of α,ω-diynes bearing a perfluoroalkylene linker -(CF2)n- (n = 4, 6) and their application for Co- or Rh-catalyzed [2+2+2] cycloaddition reactions affording aromatic compounds with perfluoroalkylene units

Tomohiro Agou*, Shogo Saruwatari, Tomohiro Shirai, Tatsuya Kumon, Shigeyuki Yamada, Tsutomu Konno, Yoshiyuki Mizuhata, Norihiro Tokitoh, Yoshihisa Sei, Hiroki Fukumoto*, Toshio Kubota*,
J. Fluorine Chem., 2020, 234, 109512 (https://doi.org/10.1016/j.jfluchem.2020.109512).

64

Development of light-emitting liquid-crystalline polymers with a pentafluorinated bistolane-based luminophore

Shigeyuki Yamada*, Akira Mitsuda, Kaoru Adachi, Mitsuo Hara, Tsutomu Konno,
New J. Chem., 2020, 44(15), 5684–5691 (https://doi.org/10.1039/D0NJ00659A).

63

Synthesis and Application of Tetrafluoroethylene (CF2CF2)-Containing Acetyelene Derivatives

Gen Egashira, Chihiro Kajimoto, Takuto Kataoka, Shigeyuki Yamada, Tsutomu Konno*,
Synthesis, 2020, 52(13), 1947–1958 (https://doi.org/10.1055/s-0039-1691744).

62

Helicenes Fused with Hexafluorocyclopentene (HFCP): Synthesis, Structure, and Properties

Tomohiro Agou*, Masaki Kohara, Yuuki Tamura, Keisuke Yamada, Kazuki Shiitsuka, Takaaki Hosoya, Yoshiyuki Mizuhata, Norihiro Tokitoh, Yuki Hayashi, Yusuke Moronuki, Akihiko Ishii, Yusuke Tanaka, Atsuya Muranaka, Masanobu Uchiyama, Shigeyuki Yamada, Tsutomu Konno, Hiroki Fukumoto*, Toshio Kubota*,
Eur. J. Org. Chem., 2020, 2020(12), 1871–1880 (https://doi.org/10.1002/ejoc.202000152).

61

1,2-Disubstituted 3,3,4,4,5,5-Hexafluorocyclopentenes as Bent Light-Emitting π-Conjugated Luminophores

Shigeyuki Yamada*, Akito Nishizawa, Tomohiro Agou, Toshio Kubota, Tsutomu Konno,
Eur. J. Org. Chem., 2020, 2020(7), 870–877 (https://doi.org/10.1002/ejoc.201901794).

2019

60

Synthesis and characterization of bent fluorine-containing donor-π-acceptor molecules as intense luminophores with large Stokes shifts

Shigeyuki Yamada*, Akito Nishizawa, Masato Morita, Takuya Hosokai, Yusuke Okabayashi, Tomohiro Agou, Takaaki Hosoya, Toshio Kubota, Tsutomu Konno,
Org. Biomol. Chem., 2019, 17(28), 6911–6919 (https://doi.org/10.1039/C9OB01300H).

59

Synthetic utilization of tetrafluoroethylene-containing silyl reagent (CH2=CHCF2CF2SiEt3) in Cu(I)-mediated cross-coupling reaction with various iodoarenes

Ryosuke Yakushijin, Shigeyuki Yamada, Tsutomu Konno*,
J. Fluorine Chem., 2019, 225, 35–43 (https://doi.org/10.1016/j.jfluchem.2019.06.001).

58

First practical synthesis of 2- or 3-fluoroalkylated indenols via cobalt-catalyzed [2+3] carbocyclization of fluorine-containing alkynes and 2-iodoaryl ketones

Tatsuya Kumon, Kazuhiro Yoshida, Shigeyuki Yamada, Tomohiro Agou, Toshio Kubota, Tsutomu Konno*,
Tetrahedron, 2019, 75(27), 3713–3721 (https://doi.org/10.1016/j.tet.2019.05.042).

57

Luminescence Tuning of Fluorinated Bistolanes via Electronic or Aggregated-Structure Control

Masato Morita, Shigeyuki Yamada*, Tomohiro Agou, Toshio Kubota, Tsutomu Konno,
Appl. Sci., 2019, 9(9), 1905 (https://doi.org/10.3390/app9091905).

56

2-Chloroalkoxy-Substituted Pentafluorinated Bistolanes as Novel Light-Emitting Liquid Crystals

Shigeyuki Yamada*, Kazuya Miyano, Tomohiro Agou, Toshio Kubota, Tsutomu Konno,
Crystals, 2019, 9(4), 195 (https://doi.org/10.3390/cryst9040195).

55

Novel V- and Y-shaped Light-Emitting Liquid Crystals with Pentafluorinated Bistolane-Based Luminophores

Shigeyuki Yamada*, Tsuyoshi Tanaka, Takahiro Ichikawa, Tsutomu Konno,
ACS Omega, 2019, 4(2), 3922–3932 (https://doi.org/10.1021/acsomega.8b03543).

54

Stabilization of SF5­– with Glyme-Coordinated Alkali Metal Cations

Kazuhiko Matsumoto*, Yuki Haruki, Shunsuke Sawada, Shigeyuki Yamada, Tsutomu Konno, Rika Hagiwara,
Inorg. Chem., 2019, 57(23), 14882–14889 (https://doi.org/10.1021/acs.inorgchem.8b02655).

2018

53

A Straightforward Synthesis of Polyfluorinated Furan Derivatives and Their Property

Tomohiro Agou*, Seiya Nemoto, Shigeyuki Yamada, Tsutomu Konno, Yoshiyuki Mizuhata, Norihiro Tokitoh, Ryota Ebina, Akihiko Ishii, Takaaki Hosoya, Hiroki Fukumoto*, Toshio Kubota*,
Asian J. Org. Chem., 2018, 7(12), 2484–2489 (https://doi.org/10.1002/ajoc.201800454).

52

Development of Novel Solid-State Light-Emitting Materials Based on Pentafluorinated Tolane Fluorophores

Shigeyuki Yamada*, Akira Mitsuda, Kazuya Miyano, Tsuyoshi Tanaka, Masato Morita, Tomohiro Agou, Toshio Kubota, Tsutomu Konno,
ACS Omega, 2018, 3(8), 9105–9113 (https://doi.org/10.1021/acsomega.8b01490).

51

Thermoresponsive luminescence properties of polyfluorinated bistolane-type light-emitting liquid crystals

Shigeyuki Yamada*, Masato Morita, Tomohiro Agou, Toshio Kubota, Takahiro Ichikawa, Tsutomu Konno,
Org. Biomol. Chem., 2018, 16(31), 5609–5617 (https://doi.org/10.1039/C8OB01497C).

50

Practical tetrafluoroethylene fragment installation through a coupling reaction of (1,1,2,2-tetrafluorobut-3-en-1-yl)zinc bromidew with various electrophiles

Ken Tamamoto, Shigeyuki Yamada, Tsutomu Konno*,
Beilstein J. Org. Chem., 2018, 14, 2375–2383 (https://doi.org/10.3762/bjoc.14.213).

49

Highly regioselective cobalt-catalyzed [2+2+2] cycloaddition of fluorine-containing internal alkynes to construct various fluoroalkylated benzene derivatives

Tatsuya Kumon, Shigeyuki Yamada, Tomohiro Agou, Toshio Kubota, Tsutomu Konno,
J. Fluorine Chem., 2018, 213, 11–17 (https://doi.org/10.1016/j.jfluchem.2018.06.004).

48

An asymmetric tertiary carbon center with a tetrafluoroethylene (-CF2CF2-) fragment: Novel construction method and application in a chiral liquid crystalline molecule

Keigo Yamashika, Suguru Morishitabara, Shigeyuki Yamada, Toshio Kubota, Tsutomu Konno*,
J. Fluorine Chem., 2018, 207, 24–37 (https://doi.org/10.1016/j.jfluchem.2017.12.013).

47

α-Substitution effect of fluorine atoms in the cobalt-catalyzed hydrosilylation of fluorine-containing aromatic ketones

Tatsuya Kumon, Siti Asiah Binti Mohd Sari, Shigeyuki Yamada, Tsutomu Konno*,
J. Fluorine Chem., 2018, 206, 8–18 (https://doi.org/10.1016/j.jfluchem.2017.12.003).

46

Gram-scale preparation of negative-type liquid crystals with a CF2CF2-carbocycle unit via an improved short-step synthetic protocol

Tatsuya Kumon, Shohei Hashishita, Takumi Kida, Shigeyuki Yamada, Takashi Ishihara, Tsutomu Konno*,
Beilstein J. Org. Chem., 2018, 14, 148–154 (https://doi.org/10.3762/bjoc.14.10).

45

Color tuning donor-acceptor-type azobenzene dyes by controlling the molecular geometry of the donor moiety

Shigeyuki Yamada, Junko Bessho, Hitoya Nakasato, Osamu Tsutsumi*,
Dyes and Pigm., 2018, 150, 89–96 (https://doi.org/10.1016/j.dyepig.2017.11.002).

2017

44

Rational design and synthesis of a novel laterally-tetrafluorinated tricyclic mesogen with large negative dielectric anisotropy

Shigeyuki Yamada, Ken Tamamoto, Takumi Kida, Tomoyuki Asai, Takashi Ishihara, Tsutomu Konno*,
Org. Biomol. Chem., 2017, 15(44), 9442–9454 (https://doi.org/10.1039/C7OB02399E).

43

Multi-color photoluminescence induced by electron-density distribution of fluorinated bistolane derivatives

Shigeyuki Yamada*, Masato Morita, Tsutomu Konno,
J. Fluorine Chem., 2017, 202, 54–64 (https://doi.org/10.1016/j.jfluchem.2017.09.003).

42

Electron-density distribution tuning for enhanced thermal stability of luminescent gold complexes

Shigeyuki Yamada, Shun Yamaguchi, Osamu Tsutsumi*, 
J. Mater. Chem. C, 2017, 5(31), 7977–7984 (https://doi.org/10.1039/C7TC00728K).

41

Fluorine-containing bistolanes as light-emitting liquid crystalline molecules [selected as Hot Article]

Shigeyuki Yamada*, Kazuya Miyano, Tsutomu Konno, Tomohiro Agou, Toshio Kubota, Takuya Hosokai,
Org. Biomol. Chem., 2017, 15(28), 5949–5958 (https://doi.org/10.1039/C7OB01369H).

40

New netry for fluorinated carbocycles: Unprecedented 3,6-disubstituted 1,1,2,2-tetrafluorocyclohexane derivatives

Shigeyuki Yamada, Shohei Hashishita, Hideaki Konishi, Yuji Nishi, Toshio Kubota, Tomoyuki Asai, Takashi Ishihara, Tsutomu Konno*,
J. Fluorine Chem., 2017, 200, 47–58 (https://doi.org/10.1016/j.jfluchem.2017.05.013).

39

Synthesis of perfluoroalkylated pentacenes and evaluation of their fundamental physical properties

Shigeyuki Yamada, Keita Kinoshita, Shota Iwama, Takashi Yamazaki*. Toshio Kubota, Tomoko Yajima, Kyoko Yamamoto, Shinya Tahara,
Org. Biomol. Chem., 2017, 15(12), 2522–2535 (https://doi.org/10.1039/C7OB00043J).

38

Stereochemically Defined Various Multisubstituted Alkenes Bearing a Tetrafluoroethylene (-CF2CF2-) Fragment

Yukiho Sakaguchi, Shigeyuki Yamada, Tsutomu Konno*, Tomohiro Agou, Toshio Kubota,  
J. Org. Chem., 2017, 82(3), 1618–1631 (https://doi.org/10.1021/acs.joc.6b02793).

37

Design, synthesis, and evaluation of new fluorinated liquid crystals bearing a CF2CF2 fragment with negative dielectric anisotropy

Shigeyuki Yamada, Shohei Hashishita, Tomoyuki Asai, Takashi Ishihara, Tsutomu Konno*,
Org. Biomol. Chem., 2017, 15(6), 1495–1509 (https://doi.org/10.1039/C6OB02431A).

36

Mesogeninc gold complexes showing aggregation-induced enhancement of phosphorescence in both crystalline and liquid-crystalline phases

Shigeyuki Yamada, Yuki Rokusha, Ryo Kawano, Kaori Fujisawa, Osamu Tsutsumi*,
Faraday Discuss., 2017, 196, 269–283 (https://doi.org/10.1039/C6FD00157B).

2016

35

Radical reactivity of α,β,β-trifluoroacrylic ester: Facile approach to γ-silyloxy-α,β,β-trifluorobutyric acid derivatives involving regioselective nucleophilic radical addition reaction

Ken Tamamoto, Shigeyuki Yamada, Masao Higashi, Tsutomu Konno*, Takashi Ishihara*,
J. Fluorine Chem., 2016, 190, 23–30 (https://doi.org/10.1016/j.jfluchem.2016.08.011).

34

Straightforward and Highly Stereoselective Synthesis of 3,3,4-Trifluoropyrrolidines Involving 1,3-Dipolar Cycloaddition with 2,3,3-Trifluoroacrylate

Shigeyuki Yamada, Masao Higashi, Takashi Ishihara*, Tsutomu Konno*,
Eur. J. Org. Chem., 2016, 2016(26), 4561–4568 (https://doi.org/10.1002/ejoc.201600837).

33

Concise preparation of fluorine-containing carbocycles involving the Diels-Alder reaction using fluorinated alkene or diene derivatives

Shigeyuki Yamada, Kazunori Hondo, Tsutomu Konno*, Takashi Ishihara, 
RSC Adv., 2016, 6(34), 28458–28469 (https://doi.org/10.1039/C6RA00569A).

32

Photoluminescence from Au(I) Complexes Exhibiting Color Sensitivity to the Structure of the Molecular Aggregates

Ryo Kawano, Osama Younis, Akira Ando, Yuki Rokusha, Shigeyuki Yamada, Osamu Tsutsumi*,
Chem. Lett., 2016, 45(1), 66–68 (https://doi.org/10.1246/cl.150944).

2015

31

Convenient stereoselective synthesis of β-perfluoroalkyl α,β-unsaturated esters via Hörner-Wadsworth-Emmons Reaction

Takashi Yamazaki*, Noriko Mano, Reo Hikage, Tsutomu Kaneko, Tomoko Kawasaki-Takasuka, Shigeyuki Yamada,
Tetrahedron, 2015, 71(42), 8059–8066 (https://doi.org/10.1016/j.tet.2015.08.048).

30

Hierarchical Self-Assembly of Oxomolybdate Monomers into a Stable Polyoxomolybdate Crystal with an Ordered Nanochannel Array

Ryohei Watanabe, Kenjiro Uno, Makoto Muto, Shigeyuki Yamada, Osamu Tsutsumi*,
Mol. Cryst. Liq. Cryst., 2015, 617(1), 32–39 (https://doi.org/10.1080/15421406.2015.1075368).

29

Effects of Molecular Structure and Aggregated Structure on Photoluminescence Properties of Liquid-crystalline Gold(I) Complexes with Various Aromatic Rings

Osama Younis, Yuki Rokusha, Nana Sugimoto, Kaori Fujisawa, Shigeyuki Yamada, Osamu Tsutsumi*,
Mol. Cryst. Liq. Cryst., 2015, 617(1), 21–31 (https://doi.org/10.1080/15421406.2015.1075367).

28

Tuning the photoluminescence of condensed-phase cyclic trinuclear Au(I) complexes through control of their aggregated structures by external stimuli

Kaori Fujisawa, Shigeyuki Yamada, Yukihiro Yanagi, Yasunori Yoshioka, Ayumi Kiyohara, Osamu Tsutsumi*,
Sci. Rep., 2015, 5, 7934 (https://doi.org/10.1038/srep07934).

2014

27

Facile synthetic protocols for perfluoroalkyl-substituted diazapentaphenes

Shigeyuki Yamada, Shota Iwama, Keita Kinoshita, Takashi Yamazaki*, Toshio Kubota, Tomoko Yajima,
Tetrahedron, 2014, 70(38), 6749–6756 (https://doi.org/10.1016/j.tet.2014.07.069).

26

Stereoselective synthesis of CF3-substituted trans- and cis-enediynes via carbocupration or hydrostannation reactions of CF3-containing diyne

Tsutomu Konno*, Misato Kishi, Takashi Ishihara, Shigeyuki Yamada, 
Tetrahedron, 2014, 70(14), 2455–2463 (https://doi.org/10.1016/j.tet.2014.02.015).

25

A remarkable regiocontrol in the palladium-catalyzed silylstannylation of fluoroalkylated alkynes – Highly regio- and stereoselective synthesis of multi-substituted fluorine-containing alkenes

Tsutomu Konno*, Ryoko Kinugawa, Takashi Ishihara, Shigeyuki Yamada,
Org. Biomol. Chem., 2014, 12(10), 1611–1617 (https://doi.org/10.1039/C3OB41903G).

2013

24

Highly stereoselective approach to 3-fluoroalkylated (E)-hex-3-ene-1,5-diyne derivatives via an addition-elimination reaction

Tsutomu Konno*, Misato Kishi, Takashi Ishihara, Shigeyuki Yamada,
J. Fluorine Chem., 2013, 156, 144–151 (https://doi.org/10.1016/j.jfluchem.2013.09.010).

23

Facile one-pot preparation of allylic alcohols with a fluorine-containing alkyl group at the γ-position

Takashi Yamazaki*, Masashi Ichikawa, Tomoko Kawasaki-Takasuka, Shigeyuki Yamada,
J. Fluorine Chem., 2013, 155, 151–154 (https://doi.org/10.1016/j.jfluchem.2013.07.016).

22

Functionalized Alkenylzinc Reagents Bearing Carbonyl Groups: Preparation by Direct Metal Insertion and Reaction with Electrophiles

Christoph Sämann, Matthias A. Schade, Shigeyuki Yamada, Paul Knochel*,
Angew. Chem. Int. Ed., 2013, 52(36), 9495–9499 (https://doi.org/10.1002/anie.201302058).

21

Development of novel synthetic routes to bis(perfluoroalkyl)-substituted anthracene derivatives

Shigeyuki Yamada, Keita Kinoshita, Shota Iwama, Takashi Yamazaki*, Toshio Kubota, Tomoko Yajima,
RSC Adv., 2013, 3(19), 6803–6806 (https://doi.org/10.1039/C3RA40974K).

20

Fluorine-copper exchange reaction of α,β,γ,γ,γ-pentafluorocrotonates with organocuprates: Generation and cross-coupling reactions of β-metallated α,γ,γ,γ-tetrafluorocrotonates

Shigeyuki Yamada, Toshio Takahashi, Tsutomu Konno, Takashi Ishihara*,
J. Fluorine Chem., 2013, 149, 95–103 (https://doi.org/10.1016/j.jfluchem.2013.01.031).

19

Generation and Reactions of Pyridyllithiums via Br/Li Exchange Reactions Using Continuous Flow Microreactor Systems

Aiichiro Nagaki, Daisuke Yamada, Shigeyuki Yamada, Masatomo Doi, Daisuke Ichinari, Yutaka Tomida, Naofumi Takabayashi, Jun-ichi Yoshida*,
Aust. J. Chem., 2013, 66(2), 199–207 (https://doi.org/10.1071/CH12440).

18

Construction of chiral trifluoromethylated materials by combination of stereochemically predictable SN2' reaction and Ireland-Claisen Rearrangement

Tomoaki Ichikawa, Tomoko Kawasaki-Takasuka, Shigeyuki Yamada, Takashi Yamazaki*, Toshio Kubota,
J. Fluorine Chem., 2013, 152, 38–45 (https://doi.org/10.1016/j.jfluchem.2012.10.013).

2012

17

Generation and Reactions of Vinyllithiums Using Flow Microreactor Systems

Aiichiro Nagaki, Yusuke Takahashi, Shigeyuki Yamada, Chika Matsuo, Suguru Haraki, Yuya Moriwaki, Songhee Kim, Jun-ichi Yoshida*,
J. Flow Chem., 2012, 2(3), 70–72 (https://doi.org/10.1556/JFC-D-12-00004).

2011

16

Perfluoroalkylation in flow microreactors: Generation of perfluoroalkyllithiums in the presence and absence of electrophiles

Aiichiro Nagaki, Shinya Tokuoka, Shigeyuki Yamada, Yutaka Tomida, Koshin Oshiro, Hideki Amii, Jun-ichi Yoshida*,
Org. Biomol. Chem., 2011, 9(21), 7559–7563 (https://doi.org/10.1039/C1OB06350B).

15

asy access to CF2-containing molecules based on the reaction of 2,2,3,3-tetrafluoroxetane with various nucleophiles

Shigeyuki Yamada, Masahiro Kato, Yudai Komori, Tsutomu Konno, Takashi Ishihara*,
Org. Biomol. Chem., 2011, 9(15), 5493–5502 (https://doi.org/10.1039/C1OB05545C).

14

Flow microreactor synthesis of disubstituted pyridines from dibromopyridines via Br/Li exchange withoug using cryogenic conditions

Aiichiro Nagaki, Shigeyuki Yamada, Masatomo Doi, Naofumi Takabayashi, Jun-ichi Yoshida*,
Green Chem., 2011, 13(5), 1110–1113 (https://doi.org/10.1039/C0GC00852D).

13

Synthesis of Polyfunctional Allenes by Successive Copper-Mediated Substitutions

Matthias A. Schade, Shigeyuki Yamada, Paul Knochel*,
Chem. Eur. J., 2011, 17(15), 4232–4237 (https://doi.org/10.1002/chem.201003273).

2010

12

An Effective Preparation of Sulfonyl- or Sulfinyl-Substituted Fluorinated Alkenes and Their Stereoselective Addition-Elimination Reactions with Organocuprates

Shigeyuki Yamada, Kanoko Shimoji, Toshio Takahashi, Tsutomu Konno, Takashi Ishihara*,
Chem. Asian J., 2010, 5(8), 1846–1853 (https://doi.org/10.1002/asia.201000022).

11

Large-Scale Preparation of Aromatic Fluorides via Electrophilic Fluorination with Functionalized Aryl- or Heteroarylmegnesium Reagents

Shigeyuki Yamada, Paul Knochel*,
Synthesis, 2010, (14), 2490–2494 (https://doi.org/10.1055/s-0029-1218816).

10

Convenient Electrophilic Fluorination of Functionalized Aryl- and Heteroaryl Magnesium Reagents

Shigeyuki Yamada, Andrei Gavryushin, Paul Knochel*,
Angew. Chem. Int. Ed., 2010, 49(12), 2215–2218 (https://doi.org/10.1002/anie.200905052).

2009

9

Unexpected high regiocontrol in Heck reaction of fluorine-containing electron-deficient olefins – Highly regio- and stereoselective synthesis of β-fluoroalkyl-α-aryl-α,β-unsaturated ketons

Tsutomu Konno*, Shigeyuki Yamada, Akinori Tani, Masataka Nishida, Tomotsugu Miyabe, Takashi Ishihara,
J. Fluorine Chem., 2009, 130(10), 913–921 (https://doi.org/10.1016/j.jfluchem.2009.07.002).

8

Remarkable access to fluoroalkylated trisubstituted alkenes via highly stereoselective cobalt-catalyzed hydrosilylation reaction of fluoroalkylated alkynes

Tsutomu Konno*, Ken-ichi Taku, Shigeyuki Yamada, Kazuki Moriyasu, Takashi Ishihara,
Org. Biomol. Chem., 2009, 7(6), 1167–1170 (https://doi.org/10.1039/B819476A).

2008

7

Preparation of perfluorocyclopentenyl-metal species and their cross-coupling reaction with electrophiles – Remarkable accesses to versatile perfluorocyclopentene derivatives

Shigeyuki Yamada, Emi Ishii, Tsutomu Konno, Takashi Ishihara*,
Tetrahedron, 2008, 64(19), 4215–4223 (https://doi.org/10.1016/j.tet.2008.02.089).

6

Preparation and Addition-Elimination Reactions of Benzyl α,β,β-Trifluoroacrylate. A New Stereoselective Approach to (Z)-β-Substituted α,β-Difluoroacrylates

Shigeyuki Yamada, Mayumi Noma, Kazunori Hondo, Tsutomu Konno, Takashi Ishihara*,
J. Org. Chem., 2008, 73(2), 522–528 (https://doi.org/10.1021/jo701975y).

2007

5

A novel fluorine-metal exchange reaction of pentafluorocrotonate with organocuprate. Generation of β-metallated tetrafluorocrotonate and its cross-coupling reaction

Shigeyuki Yamada, Toshio Takahashi, Tsutomu Konno, Takashi Ishihara*,
Chem. Commun., 2007, (35), 3679–3681 (https://doi.org/10.1039/B705408D).

4

Reaction of perfluorocyclopentene with various carbon nucleophiles – Heteroaromatic lithium reagents, enolate and phosphonium ylide

Shigeyuki Yamada, Emi Ishii, Tsutomu Konno, Takashi Ishihara*,
Org. Biomol. Chem., 2007, 5(9), 1442–1449 (https://doi.org/10.1039/B701702B).

2006

3

A Novel Synthesis of Trifluoromethylated Multi-Substituted Alkenes via Regio- and Stereoselective Heck Reaction of (E)-4,4,4-Trifluoro-1-phenyl-2-buten-1-one

Tsutomu Konno*, Shigeyuki Yamada, Akinori Tani, Tomotsugu Miyabe, Takashi Ishihara,
Synlett, 2006, (18), 3025–3028 (https://doi.org/10.1055/s-2006-951496).

2

Novel Synthesis of (Z)-Difluoroacrylates via a Highly Stereoseletive Addition-Elimination Reaction

Shigeyuki Yamada, Mayumi Noma, Tsutomu Konno, Takashi Ishihara*, Hiroki Yamanaka,
Org. Lett., 2006, 8(5), 843–845 (https://doi.org/10.1021/ol052897g).

2005

1

Reaction of octafluorocyclopentene with various carbon nucleophiles

Shigeyuki Yamada, Tsutomu Konno, Takashi Ishihara*, Hiroki Yamanaka,
J. Fluorine Chem.
, 2005, 126(1), 125–133 (https://doi.org/10.1016/j.jfluchem.2004.10.047).