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1

Dediazoniation of Arenediazonium Ions Complexed with Crown Ethers

Hiroyuki Nakazumi, Ivanka Szele, Katsuhira Yoshida, Heinrich Zollinger

Journal:

Bulletin des Sociétés Chimiques Belges

Year:

1982

Language:

english

File:

PDF, 69 KB

english, 1982

2

Heterocyclic Quinol-Type Fluorophores: Synthesis, X-ray Crystal Structures, and Solid-State Photophysical Properties of Novel 5-Hydroxy-5-substituent-benzo[b]naphtho[1,2-d]furan-6-one and 3-Hydroxy-3-substituent-benzo[kl]xanthen-2-one Derivatives

Yousuke Ooyama, Tomohiro Okamoto, Takahiro Yamaguchi, Toshihisa Suzuki, Akiko Hayashi, Katsuhira Yoshida

Journal:

Chemistry - A European Journal

Year:

2006

Language:

english

File:

PDF, 399 KB

english, 2006

3

ChemInform Abstract: Solid-State Photophysical Properties and Functional Characteristics of Heterocyclic Quinol-Type Fluorescent Hosts with Clathrate-Forming Ability

Yousuke Ooyama, Katsuhira Yoshida

Journal:

Year:

2009

File:

PDF, 15 KB

2009

4

Synthesis, X-ray Crystal Structures and Solid-State Fluorescence Properties of 3-Dibutylamino-6-alkoxy-6-phenylnaphtho[2,3-b]benzofuran-11(6H)-one Derivatives

Yousuke Ooyama, Toshiki Mamura, Katsuhira Yoshida

Journal:

European Journal of Organic Chemistry

Year:

2007

Language:

english

File:

PDF, 429 KB

english, 2007

5

Heterocyclic Quinol-Type Fluorophores: Solid-State Fluorescence Change in Crystals of Benzo[b]naphtho[1,2-d]furan-6-one-Type Fluorophore upon Inclusion of Organic Solvent Molecules

Yousuke Ooyama, Katsuhira Yoshida

Journal:

European Journal of Organic Chemistry

Year:

2008

Language:

english

File:

PDF, 991 KB

english, 2008

6

Synthesis, X-ray Crystal Structures, and Solid-State Fluorescence Properties of 5,5-Dialkyl-9-dibutylamino-5H-benzo[b]naphtho[1,2-d]furan-6-one and 3,3-Dialkyl-9-dibutylamino-3H-benzo[kl]xanthen-2-one

Yousuke Ooyama, Akiko Hayashi, Tomohiro Okamoto, Haruka Egawa, Toshiki Mamura, Katsuhira Yoshida

Journal:

European Journal of Organic Chemistry

Year:

2008

Language:

english

File:

PDF, 923 KB

english, 2008

7

A New Class of Fluorescent Dye for Sensing Water in Organic Solvents by Photo-Induced Electron Transfer – A (Phenylamino)naphtho[1,2-d]oxazol-2-yl-Type Fluorophore with both Proton-Binding and Proton-Donating Sites

Yousuke Ooyama, Haruka Egawa, Katsuhira Yoshida

Journal:

European Journal of Organic Chemistry

Year:

2008

Language:

english

File:

PDF, 318 KB

english, 2008

8

Solid-State Fluorescence Changes of 2-(4-Cyanophenyl)-5-[4-(diethylamino)phenyl]-3H-imidazo[4,5-a]naphthalene upon Inclusion of Organic Solvent Molecules

Yousuke Ooyama, Shinobu Nagano, Miyako Okamura, Katsuhira Yoshida

Journal:

European Journal of Organic Chemistry

Year:

2008

Language:

english

File:

PDF, 660 KB

english, 2008

9

Drastic Solid-State Fluorescence Enhancement Behaviour of Phenanthro[9,10-d]imidazole-Type Fluorescent Hosts upon Inclusion of Carboxylic Acids

Yousuke Ooyama, Kazuki Uwada, Hironori Kumaoka, Katsuhira Yoshida

Journal:

European Journal of Organic Chemistry

Year:

2009

Language:

english

File:

PDF, 1.42 MB

english, 2009

10

Attempts at Solvolytic Generation of Phenyl Cations

Khosrow Laali, Ivanka Szele, Katsuhira Yoshida

Journal:

Helvetica Chimica Acta

Year:

1983

Language:

english

File:

PDF, 576 KB

english, 1983

11

Dediazoniations of Arenediazonium Ions. Part XXI. Dediazoniation of Arenediazonium Ions Complexed with Crown Ethers

Hiroyuki Nakazumi, Ivanka Szele, Katsuhira Yoshida, Heinrich Zollinger

Journal:

Helvetica Chimica Acta

Year:

1983

Language:

english

File:

PDF, 807 KB

english, 1983

12

New chromoionophores based on indoaniline dyes containing calix[4]arene

Yuji Kubo, Shin-ichi Hamaguchi, Kyoichi Kotani, Katsuhira Yoshida

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 102 KB

english, 1991

13

A novel 2-amination of quinizarin promoted by copper ions

Masaru Matsuoka, Katsuhira Yoshida, Yoshinobu Makino, Teijiro Kitao

Journal:

Dyes and Pigments

Year:

1980

Language:

english

File:

PDF, 651 KB

english, 1980

14

Butylamination of 1-aminohalogeno-anthraquinones promoted by metal ions

Katsuhira Yoshida, Masuru Matsuoka, Yoshio Yamashita, Tetsuo Okugawa, Teijiro Kitao

Journal:

Dyes and Pigments

Year:

1981

Language:

english

File:

PDF, 472 KB

english, 1981

15

The effect of the inclusion of guest molecules on the solid-state fluorescence of naphthooxazole-type fluorophores

Yousuke Ooyama, Kunimitsu Nonami, Shigeru Watanabe, Katsuhira Yoshida

Journal:

Dyes and Pigments

Year:

2008

Language:

english

File:

PDF, 715 KB

english, 2008

16

The design of a novel fluorescent PET sensor for proton and water: A phenylaminonaphtho[1,2-d]oxazol-2-yl-type fluorophore containing proton donor and acceptor groups

Yousuke Ooyama, Haruka Egawa, Katsuhira Yoshida

Journal:

Dyes and Pigments

Year:

2009

Language:

english

File:

PDF, 601 KB

english, 2009

17

Synthesis and photophysical properties of structural isomers of novel 2,10-disubstituted benzofuro[2,3-e]naphthoxazole-type fluorescent dyes

Haruka Egawa Ooyama, Yousuke Ooyama, Toshihiko Hino, Takehiro Sakamoto, Takahiro Yamaguchi, Katsuhira Yoshida

Journal:

Dyes and Pigments

Year:

2011

Language:

english

File:

PDF, 940 KB

english, 2011

18

Synthesis, X-ray crystal structure, and solid-state blue fluorescence of dialkylbenzo[b]naphtho[2,1-d]furan-6-one-type fluorophores

Yousuke Ooyama, Haruka Egawa, Toshiki Mamura, Katsuhira Yoshida

Journal:

Year:

2008

Language:

english

File:

PDF, 775 KB

english, 2008

19

Drastic solid-state fluorescence enhancement behaviour of imidazo[4,5-a]naphthalene-type fluorescent hosts upon inclusion of polyethers and tert-butyl alcohol

Yousuke Ooyama, Shinobu Nagano, Katsuhira Yoshida

Journal:

Year:

2009

Language:

english

File:

PDF, 757 KB

english, 2009

20

Photophysical properties of phenanthro[9,10-d]imidazole-type fluorescent hosts upon inclusion of organic solvent molecules

Yousuke Ooyama, Hironori Kumaoka, Kazuki Uwada, Katsuhira Yoshida

Journal:

Year:

2009

Language:

english

File:

PDF, 616 KB

english, 2009

21

Heterocyclic quinol-type fluorophores. Part 9: Effect of forming a continuous intermolecular hydrogen bonding chain between fluorophores on the solid-state fluorescence properties

Yousuke Ooyama, Saori Nabeshima, Toshiki Mamura, Haruka Egawa Ooyama, Katsuhira Yoshida

Journal:

Year:

2010

Language:

english

File:

PDF, 778 KB

english, 2010

22

Colorimetric detection of fluoride ion in an aqueous solution using a thioglucose-capped gold nanoparticle

Shigeru Watanabe, Hideki Seguchi, Katsuhira Yoshida, Kouichi Kifune, Tsugio Tadaki, Hisayoshi Shiozaki

Journal:

Tetrahedron Letters

Year:

2005

Language:

english

File:

PDF, 157 KB

english, 2005

23

A facile synthesis of solid-emissive fluorescent dyes: dialkylbenzo[b]naphtho[2,1-d]furan-6-one-type fluorophores with strong blue and green fluorescence emission properties

Yousuke Ooyama, Toshiki Mamura, Katsuhira Yoshida

Journal:

Tetrahedron Letters

Year:

2007

Language:

english

File:

PDF, 248 KB

english, 2007

24

Stereoselective optical sensing of dicarboxylate anions by an induced-fit type Ru(II) receptor

Shigeru Watanabe, Natsuka Higashi, Michiko Kobayashi, Kaori Hamanaka, Yoshiyuki Takata, Katsuhira Yoshida

Journal:

Tetrahedron Letters

Year:

2000

Language:

english

File:

PDF, 170 KB

english, 2000

25

Crystallographic structure and solid-state fluorescence enhancement behavior of a 2-(9-anthryl)phenanthroimidazole-type clathrate host upon inclusion of amine molecules

Lequan Bu, Tsuyoshi Sawada, Yutaka Kuwahara, Hideto Shosenji, Katsuhira Yoshida

Journal:

Dyes and Pigments

Year:

2003

Language:

english

File:

PDF, 404 KB

english, 2003

26

Crystallographic structures and solid fluorescence behaviors of crystals of a 2-(9-anthryl)phenanthroimidazole-type clathrate host

Lequan Bu, Tsuyoshi Sawada, Hideto Shosenji, Katsuhira Yoshida, Shuntaro Mataka

Journal:

Dyes and Pigments

Year:

2003

Language:

english

File:

PDF, 717 KB

english, 2003

27

Photophysical properties and photostability of novel symmetric polycyclicphenazine-type fluorescent dyes and the dye-doped films

Haruka Egawa Ooyama, Takashi Ide, Hiroharu Yamasaki, Asuka Harada, Yuki Nagahama, Ayumi Ono, Katsuhira Yoshida

Journal:

Dyes and Pigments

Year:

2012

Language:

english

File:

PDF, 919 KB

english, 2012

28

Photophysical properties and photostability of novel unsymmetric polycyclicphenazine-type D-π-A fluorescent dyes and the dye-doped films

Haruka Egawa Ooyama, Akiko Hayashi, Toshiki Mamura, Takashi Ide, Toshihiko Hino, Takuya Tanigami, Katsuhira Yoshida

Journal:

Journal of Photochemistry and Photobiology A: Chemistry

Year:

2012

Language:

english

File:

PDF, 1003 KB

english, 2012

29

Molecular design of novel non-planar heteropolycyclic fluorophores with bulky substituents: convenient synthesis and solid-state fluorescence characterization

Ooyama, Yousuke, Yoshikawa, Shintaro, Watanabe, Shigeru, Yoshida, Katsuhira

Journal:

Organic & Biomolecular Chemistry

Year:

2006

Language:

english

File:

PDF, 366 KB

english, 2006

30

Synthesis and metal ion-sensing properties of fluorescent PET chemosensors based on the 2-phenylimidazo[5,4-a]anthraquinone chromophore

Yoshida, Katsuhira, Mori, Takayoshi, Watanabe, Shigeru, Kawai, Hideki, Nagamura, Toshihiko

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1999

Language:

english

File:

PDF, 184 KB

english, 1999

31

New near-infrared absorbing metal complex dyes with heterocyclic phenyliminoquinone-type ligands

Kubo, Yuji, Kataoka, Hisa, Ikezawa, Masayo, Yoshida, Katsuhira

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1990

Language:

english

File:

PDF, 524 KB

english, 1990

32

Solid-emissive fluorophores constructed by a non-planar heteropolycyclic structure with bulky substituents: synthesis and X-ray crystal structures

Ooyama, Yousuke, Yoshikawa, Shintaro, Watanabe, Shigeru, Yoshida, Katsuhira

Journal:

Organic & Biomolecular Chemistry

Year:

2007

Language:

english

File:

PDF, 571 KB

english, 2007

33

Heterocyclic quinol-type fluorophores. Part 2. Solid-state fluorescence enhancement behaviour of benzofurano[3,2-b]naphthoquinol-typeThe IUPAC name for the parent benzofurano[3,2-b]naphthoquinone is naphtho[2,3-b]benzofuran-6,11-dione. clathrate hosts upon inclusion of amine moleculesElectronic supplementary information (ESI) available: Table S1 containing crystal data and structure refinement parameters for amine-inclusion compounds of 2c and 3c. See http://www.rsc.org/suppdata/p2/b1/b109202m/

Yoshida, Katsuhira, Ooyama, Yousuke, Tanikawa, Sachiko, Watanabe, Shigeru

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

2002

Language:

english

File:

PDF, 289 KB

english, 2002

34

Heterocyclic quinol-type fluorophores. Synthesis of novel imidazoanthraquinol derivatives and their photophysical properties in benzene and in the crystalline state

Ooyama, Yousuke, Nakamura, Takato, Yoshida, Katsuhira

Journal:

New Journal of Chemistry

Year:

2005

Language:

english

File:

PDF, 1.07 MB

english, 2005

35

Picosecond Mechanism of Metal-Ion-Sensitive Fluorescence of Phenylimidazoanthraquinone with Azacrown

Kawai, Hideki, Nagamura, Toshihiko, Mori, Takayoshi, Yoshida, Katsuhira

Journal:

Journal of Physical Chemistry A

Year:

1999

Language:

english

File:

PDF, 109 KB

english, 1999

36

Luminescent Metalloreceptor with a Neutral Bis(Acylaminoimidazoline) Binding Site: Optical Sensing of Anionic and Neural Phosphodiesters

Watanabe, Shigeru, Onogawa, Osamu, Komatsu, Yuka, Yoshida, Katsuhira

Journal:

Journal of the American Chemical Society

Year:

1998

Language:

english

File:

PDF, 56 KB

english, 1998

37

Experimental and theoretical study of near-infrared absorbing naphthoquinone methide dyes with a nonplanar geometry

Kubo, Yuji, Yoshida, Katsuhira, Adachi, Masafumi, Nakamura, Shinichiro, Maeda, Shuichi

Journal:

Journal of the American Chemical Society

Year:

1991

Language:

english

File:

PDF, 716 KB

english, 1991

38

A Luminescent Metalloreceptor Exhibiting Remarkably High Selectivity for Mg 2+ over Ca 2+

Watanabe, Shigeru, Ikishima, Shinsuke, Matsuo, Takeshi, Yoshida, Katsuhira

Journal:

Journal of the American Chemical Society

Year:

2001

Language:

english

File:

PDF, 39 KB

english, 2001

39

Naphthoquinone methide type near-i.r. dye: the properties and structure of 4-(2?-acetylamino-4?-diethylaminophenylimino)-1,4-dihydronaphthylidene- malononitrile

Kubo, Yuji, Kuwana, Minoru, Yoshida, Katsuhira, Tomotake, Yasuko, Matsuzaki, Takao, Maeda, Shuichi

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1989

Language:

english

File:

PDF, 224 KB

english, 1989

40

Novel syntheses of naphthoquinone methide near-infrared dyes

Kubo, Yuji, Mori, Fujio, Komatsu, Keiko, Yoshida, Katsuhira

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1988

Language:

english

File:

PDF, 412 KB

english, 1988

41

Syntheses of pyrido[2,3-a]phenothiazine-type near-IR colour formers

Kubo, Yuji, Yasuoka, Hiroshi, Hamaguchi, Shin-ichi, Yoshida, Katsuhira

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1992

Language:

english

File:

PDF, 205 KB

english, 1992

42

New indoaniline-type near-infrared colour former

Kubo, Yuji, Yasuoka, Hiroshi, Yoshida, Katsuhira

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1990

Language:

english

File:

PDF, 186 KB

english, 1990

43

New bis[3-(4?-dialkylaminophenylimino)pyrido[2,3-a]phenothiazine]nickel(II) complexes with near-infrared absorptions

Kubo, Yuji, Kataoka, Hisa, Yoshida, Katsuhira

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1988

Language:

english

File:

PDF, 176 KB

english, 1988

44

Synthesis of novel near-infrared absorbing metal complex dyes with indoaniline-type ligands

Kubo, Yuji, Sasaki, Kyoko, Kataoka, Hisa, Yoshida, Katsuhira

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1989

Language:

english

File:

PDF, 468 KB

english, 1989

45

Enhanced optical sensing of anions with amide-functionalized gold nanoparticles

Watanabe, Shigeru, Sonobe, Miyoko, Arai, Mari, Tazume, Yuki, Matsuo, Takeshi, Nakamura, Takashi, Yoshida, Katsuhira

Journal:

Chemical Communications

Year:

2002

Language:

english

File:

PDF, 165 KB

english, 2002

46

Selective synthesis and metallochromic properties of pyrrolylated quinoline-5,8-diones

Yoshida, Katsuhira, Ueno, Yasunobu, Suzuki, Masaru, Yoshida, Yukihiro, Kubo, Yuji

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1992

Language:

english

File:

PDF, 325 KB

english, 1992

47

Synthesis and properties of 6-substituted quinoline-5,8-dione colour formers

Yoshida, Katsuhira, Noma, Yukiko, Ueno, Yasunobu

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1994

Language:

english

File:

PDF, 311 KB

english, 1994

48

Heterocyclic quinol-type fluorophores. Dramatic solid-state fluorescence enhancement behaviour of imidazoanthraquinol-type clathrate hosts upon inclusion of various kinds of organic solvent molecules

Ooyama, Yousuke, Yoshida, Katsuhira

Journal:

New Journal of Chemistry

Year:

2005

Language:

english

File:

PDF, 919 KB

english, 2005

49

Syntheses and properties of pyridocarbazole quinonoid-type near-infrared colour formers

Yoshida, Katsuhira, Oga, Norio, Kadota, Michiko, Ogasahara, Yoko, Kubo, Yuji

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1992

Language:

english

File:

PDF, 175 KB

english, 1992

50

Selective photoalkylamination and photohydroxylation of aminoanthraquinones and their N-acylated derivatives

Yoshida, Katsuhira, Hikasa, Masahiro, Ishii, Katsutoshi, Kadota, Hisa, Yamashita, Yoshio

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1986

Language:

english

File:

PDF, 178 KB

english, 1986

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