Ritsuko Nagahata : rechercher sur Z-Library

Le plus grand référentiel d'articles scientifiques au monde. 70,000,000+ d'articles gratuitement.

Don't use scam websites

Livres
Articles (57)
Les plus populaires
Liste
- Liste
- Tableau

1

Guaiacol Oxidation Products in the Enzyme-Activity Assay Reaction by Horseradish Peroxidase Catalysis

Tonami, Hiroyuki, Uyama, Hiroshi, Nagahata, Ritsuko, Kobayashi, Shiro

Journal:

Chemistry Letters

Année:

2004

Langue:

english

Fichier:

PDF, 64 KB

english, 2004

2

Encouragements for the Use of Microwaves in Industrial Chemistry

Nagahata, Ritsuko, Takeuchi, Kazuhiko

Journal:

The Chemical Record

Année:

2018

Langue:

english

Fichier:

PDF, 6.77 MB

english, 2018

3

Novel usage of palladium complexes with P–N–P ligands as catalysts for diphenyl carbonate synthesis

Meenakshi Goyal, Josef Novosad, Marek Necas, Hirotoshi Ishii, Ritsuko Nagahata, Jun-ichi Sugiyama, Michhiko Asai, Mitsuru Ueda, Kazuhiko Takeuchi

Journal:

Applied Organometallic Chemistry

Année:

2000

Langue:

english

Fichier:

PDF, 50 KB

english, 2000

4

Large-Scale Polycondensation of Lactic Acid Using Microwave Batch Reactors

Nakamura, Takashi, Nagahata, Ritsuko, Kunii, Katsuyuki, Soga, Hirohumi, Sugimoto, Shoji, Takeuchi, Kazuhiko

Journal:

Organic Process Research & Development

Année:

2010

Langue:

english

Fichier:

PDF, 2.10 MB

english, 2010

5

Synthesis of Poly(ethylene terephthalate-co-isophthalate) by Copolymerization of Ethylene Isophthalate Cyclic Dimer and Bis(2-hydroxyethyl) Terephthalate

Nagahata, Ritsuko, Sugiyama, Jun-ichi, Velmathi, Sivan, Nakao, Yukimichi, Goto, Midori, Takeuchi, Kazuhiko

Journal:

Polymer Journal

Année:

2004

Langue:

english

Fichier:

PDF, 289 KB

english, 2004

6

Synthesis of a well-defined cyclic polystyrene via α-carboxyl, ω-amino heterodifunctional polystyrene

Masataka Kubo, Hirozumi Takeuchi, Tomoyuki Ohara, Takahito Itoh, Ritsuko Nagahata

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Année:

1999

Langue:

english

Fichier:

PDF, 167 KB

english, 1999

7

Solid-phase thermal polymerization of macrocyclic ethylene terephthalate dimer using various transesterification catalysts

Ritsuko Nagahata, Jun-Ichi Sugiyama, Meenakshi Goyal, Michihiko Asai, Mitsuru Ueda, Kazuhiko Takeuchi

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Année:

2000

Langue:

english

Fichier:

PDF, 207 KB

english, 2000

8

X-ray analysis of the bisphenol-A-type macrocyclic carbonate trimer

Ritsuko Nagahata, Jun-ichi Sugiyama, Meenakshi Goyal, Midori Goto, Michihiko Asai, Mitsuru Ueda, Kazuhiko Takeuchi

Journal:

Polymers for Advanced Technologies

Année:

2000

Langue:

english

Fichier:

PDF, 193 KB

english, 2000

9

Synthesis of ultra high-molecular-weight polycarbonate

Ritsuko Nagahata, Jun-ichi Sugiyama, Meenakshi Goyal, Michihiko Asai, Mitsuru Ueda, Kazuhiko Takeuchi

Journal:

Polymers for Advanced Technologies

Année:

2000

Langue:

english

Fichier:

PDF, 133 KB

english, 2000

10

ChemInform Abstract: Rapid Synthesis of Dendrimers Based on Calix[4]resorcinarenes.

Yoshitaka Yamakawa, Mitsuru Ueda, Ritsuko Nagahata, Kazuhiko Takeuchi, Michihiko Asai

Journal:

Année:

1999

Fichier:

PDF, 25 KB

1999

11

ChemInform Abstract: The First Synthesis of Stilbene Dendrimers and Their Photochemical trans—cis Isomerization.

Takuo Mizutani, Masashi Ikegami, Ritsuko Nagahata, Tatsuo Arai

Journal:

Année:

2002

Fichier:

PDF, 23 KB

2002

12

Silole-Core Dendrimers: A Facile Synthesis and Photophysical Properties.

Takanobu Sanji, Hiroyuki Ishiwata, Tomoyoshi Kaizuka, Masato Tanaka, Hideki Sakurai, Ritsuko Nagahata, Kazuhiko Takeuchi

Journal:

Année:

2005

Fichier:

PDF, 8 KB

2005

13

ChemInform Abstract: Synthesis and Photochemical Characteristics of Amphiphilic Enediyne Dendrimers.

Nao Yoshimura, Atsuya Momotake, Yoshihiro Shinohara, Kayori Takahashi, Ritsuko Nagahata, Yoshinobu Nishimura, Tatsuo Arai

Journal:

Année:

2009

Fichier:

PDF, 11 KB

2009

14

ChemInform Abstract: A New Oxapalladacycle Generated via ortho C—H Activation of Phenylphosphinic Acid: An Efficient Catalyst for Markovnikov-Type Additions of E—H Bonds to Alkynes.

Qing Xu, Ruwei Shen, Yutaka Ono, Ritsuko Nagahata, Shigeru Shimada, Midori Goto, Li-Biao Han

Journal:

Année:

2011

Fichier:

PDF, 33 KB

2011

15

Evaluation of the quantitativeness of matrix-assisted laser desorption/ionization time-of-flight mass spectrometry using an equimolar mixture of uniform poly(ethylene glycol) oligomers

Kayori Shimada, Ritsuko Nagahata, Shin-ichiro Kawabata, Shigetomo Matsuyama, Takeshi Saito, Shinichi Kinugasa

Journal:

Journal of Mass Spectrometry

Année:

2003

Langue:

english

Fichier:

PDF, 164 KB

english, 2003

16

A Rapid Eco-Friendly Synthesis of Poly(butylene succinate) by a Direct Polyesterification under Microwave Irradiation

Sivan Velmathi, Ritsuko Nagahata, Jun-ichi Sugiyama, Kazuhiko Takeuchi

Journal:

Macromolecular Rapid Communications

Année:

2005

Langue:

english

Fichier:

PDF, 123 KB

english, 2005

17

Microwave-Assisted Single-Step Synthesis of Poly(lactic acid) by Direct Polycondensation of Lactic Acid

Ritsuko Nagahata, Daisuke Sano, Hidematsu Suzuki, Kazuhiko Takeuchi

Journal:

Macromolecular Rapid Communications

Année:

2007

Langue:

english

Fichier:

PDF, 217 KB

english, 2007

18

Control of molecular weight distribution in polycondensation polymers 2. Poly(ether ketone) synthesis

Yuji Shibasaki, Tomoko Araki, Ritsuko Nagahata, Mitsuru Ueda

Journal:

European Polymer Journal

Année:

2005

Langue:

english

Fichier:

PDF, 153 KB

english, 2005

19

Conformational effects on cationization of poly(ethylene glycol) by alkali metal ions in matrix-assisted laser desorption/ionization time-of-flight mass spectrometry

Kayori Shimada, Shigetomo Matsuyama, Takeshi Saito, Shinichi Kinugasa, Ritsuko Nagahata, Shin-ichirou Kawabata

Journal:

International Journal of Mass Spectrometry

Année:

2005

Langue:

english

Fichier:

PDF, 471 KB

english, 2005

20

Interlaboratory comparison of average molecular mass and molecular mass distribution of a polystyrene reference material determined by MALDI-TOF mass spectrometry

Ritsuko Nagahata, Kayori Shimada, Kana Kishine, Hiroaki Sato, Shigetomo Matsuyama, Hisashi Togashi, Sinichi Kinugasa

Journal:

International Journal of Mass Spectrometry

Année:

2007

Langue:

english

Fichier:

PDF, 279 KB

english, 2007

21

The relaxation dynamics of the excited state of stilbene dendrimers substituted with phenylacetylene groups

Yoshinobu Nishimura, Masafumi Kamada, Masashi Ikegami, Ritsuko Nagahata, Tatsuo Arai

Journal:

Journal of Photochemistry and Photobiology A: Chemistry

Année:

2006

Langue:

english

Fichier:

PDF, 147 KB

english, 2006

22

Effect of metal nanoparticles on thermal stabilization of polymer/metal nanocomposites prepared by a one-step dry process

Jae-Young Lee, Yonggui Liao, Ritsuko Nagahata, Shin Horiuchi

Journal:

Année:

2006

Langue:

english

Fichier:

PDF, 1.09 MB

english, 2006

23

In-situ measurement of microwave absorption properties at 2.45 GHz for the polycondensation of lactic acid

Takashi Nakamura, Ritsuko Nagahata, Shigenori Suemitsu, Kazuhiko Takeuchi

Journal:

Année:

2010

Langue:

english

Fichier:

PDF, 333 KB

english, 2010

24

Direct synthesis of aromatic polycarbonate from polymerization of bisphenol A with CO using a Pd–Cu catalyst system

Meenakshi Goyal, Ritsuko Nagahata, Jun-ichi Sugiyama, Michihiko Asai, Mitsuru Ueda, Kazuhiko Takeuchi

Journal:

Année:

1999

Langue:

english

Fichier:

PDF, 173 KB

english, 1999

25

Oxidative carbonylation of phenol to diphenyl carbonate catalyzed by Pd–carbene complexes

Ken-ichi Okuyama, Jun-ichi Sugiyama, Ritsuko Nagahata, Michihiko Asai, Mitsuru Ueda, Kazuhiko Takeuchi

Journal:

Journal of Molecular Catalysis A: Chemical

Année:

2003

Langue:

english

Fichier:

PDF, 106 KB

english, 2003

26

Direct synthesis of diphenyl carbonate by oxidative carbonylation of phenol using Pd–Cu based redox catalyst system

Meenakshi Goyal, Ritsuko Nagahata, Jun-ichi Sugiyama, Michihiko Asai, Mitsuru Ueda, Kazuhiko Takeuchi

Journal:

Journal of Molecular Catalysis A: Chemical

Année:

1999

Langue:

english

Fichier:

PDF, 156 KB

english, 1999

27

Stilbene-cored poly(glutamate) dendrimers

Chikayoshi Mitsuno, Atsuya Momotake, Yoshihiro Shinohara, Kayori Takahashi, Ritsuko Nagahata, Yoshinobu Nishimura, Tatsuo Arai

Journal:

Tetrahedron Letters

Année:

2009

Langue:

english

Fichier:

PDF, 533 KB

english, 2009

28

Effect of inorganic redox cocatalyst on Pd‐catalyzed oxidative carbonylation of phenol for direct synthesis of diphenyl carbonate

Meenakshi Goyal, Ritsuko Nagahata, Jun‐ichi Sugiyama, Michihiko Asai, Mitsuru Ueda, Kazuhiko Takeuchi

Journal:

Catalysis Letters

Année:

1998

Langue:

english

Fichier:

PDF, 36 KB

english, 1998

29

Extremely Rapid Synthesis of Aliphatic Polyesters by Direct Polycondensation of 1:1 Mixtures of Dicarboxylic Acids and Diols Using Microwaves

Velmathi, Sivan, Nagahata, Ritsuko, Takeuchi, Kazuhiko

Journal:

Polymer Journal

Année:

2007

Langue:

english

Fichier:

PDF, 84 KB

english, 2007

30

Photoisomerization of Stilbene Dendrimers: The Need for a Volume-conserving Isomerization Mechanism

Mayuko Uda, Takuo Mizutani, Junpei Hayakawa, Atsuya Momotake, Masashi Ikegami, Ritsuko Nagahata, Tatsuo Arai

Journal:

Photochemistry and Photobiology

Année:

2002

Langue:

english

Fichier:

PDF, 210 KB

english, 2002

31

An environmentally benign process for aromatic polycarbonate synthesis by efficient oxidative carbonylation catalyzed by Pd-carbene complexesPresented at The First International Conference on Green & Sustainable Chemistry, Tokyo, Japan, March 13?15, 2003.

Okuyama, Ken-ichi, Sugiyama, Jun-ichi, Nagahata, Ritsuko, Asai, Michihiko, Ueda, Mitsuru, Takeuchi, Kazuhiko

Journal:

Green Chemistry

Année:

2003

Langue:

english

Fichier:

PDF, 124 KB

english, 2003

32

Enhancement of the Large Stokes-Shifted Fluorescence Emission from the 2-(2‘-Hydroxyphenyl)benzoxazole Core in a Dendrimer

Ohshima, Asuka, Momotake, Atsuya, Nagahata, Ritsuko, Arai, Tatsuo

Journal:

Journal of Physical Chemistry A

Année:

2005

Langue:

english

Fichier:

PDF, 130 KB

english, 2005

33

Rapid synthesis of dendrimers based on calix[4]resorcinarenes

Yamakawa, Yoshitaka, Ueda, Mitsuru, Nagahata, Ritsuko, Takeuchi, Kazuhiko, Asai, Michihiko

Journal:

Journal of the Chemical Society Perkin Transactions 1

Année:

1998

Langue:

english

Fichier:

PDF, 561 KB

english, 1998

34

Fractionation of Poly(ethylene glycol) by High Osmotic Pressure Chromatography

Matsuyama, Shigetomo, Nakahara, Hisae, Takeuchi, Kazuhiko, Nagahata, Ritsuko, Kinugasa, Shinichi, Teraoka, Iwao

Journal:

Polymer Journal

Année:

2000

Fichier:

PDF, 465 KB

2000

35

Poly(propyleneimine) Dendrimers Peripherally Modified with Mesogens

Yonetake, Koichiro, Masuko, Toru, Morishita, Takashi, Suzuki, Kazuhiro, Ueda, Mitsuru, Nagahata, Ritsuko

Journal:

Année:

1999

Langue:

english

Fichier:

PDF, 373 KB

english, 1999

36

Direct Synthesis of Polycarbonate from Carbon Monoxide and Bisphenol A Catalyzed by Pd−Carbene Complex

Okuyama, Ken-ichi, Sugiyama, Jun-ichi, Nagahata, Ritsuko, Asai, Michihiko, Ueda, Mitsuru, Takeuchi, Kazuhiko

Journal:

Année:

2003

Langue:

english

Fichier:

PDF, 44 KB

english, 2003

37

Selective Synthesis of Macrocyclic Ethylene Isophthalate Dimer

Nagahata, Ritsuko, Sugiyama, Jun-ichi, Nakao, Yukimichi, Asai, Michihiko, Takeuchi, Kazuhiko

Journal:

Année:

2003

Langue:

english

Fichier:

PDF, 25 KB

english, 2003

38

Photoisomerisation and fluorescence behaviour of polyphenylene-based stilbene dendrimersThis paper is dedicated to Professor Fred Lewis on the event of his 60th birthday.

Imai, Masako, Ikegami, Masashi, Momotake, Atsuya, Nagahata, Ritsuko, Arai, Tatsuo

Journal:

Photochemical & Photobiological Sciences

Année:

2003

Langue:

english

Fichier:

PDF, 193 KB

english, 2003

39

An alternative convergent synthesis of silole-core dendrimers

Sanji, Takanobu, Ishiwata, Hiroyuki, Kaizuka, Tomoyoshi, Tanaka, Masato, Sakurai, Hideki, Nagahata, Ritsuko, Takeuchi, Kazuhiko

Journal:

Canadian Journal of Chemistry

Année:

2005

Langue:

english

Fichier:

PDF, 82 KB

english, 2005

40

10.1088/0954-0083/10/3/002

Suzuki, Kazuhiro, Haba, Osamu, Nagahata, Ritsuko, Yonetake, Koichiro, Ueda, Mitsuru

Journal:

High Performance Polymers

Année:

1998

Langue:

english

Fichier:

PDF, 400 KB

english, 1998

41

10.1088/0954-0083/10/4/005

Yonetake, Koichiro, Suzuki, Kazuhiro, Morishita, Takashi, Nagahata, Ritsuko, Ueda, Mitsuru

Journal:

High Performance Polymers

Année:

1998

Langue:

english

Fichier:

PDF, 656 KB

english, 1998

42

Characterization of an oxide semiconductor prepared by microwave sintering

Cheong, Hea Jeong, Fukuda, Nobuko, Sakai, Heisuke, Ogura, Shintaro, Takeuchi, Kazuhiko, Nagahata, Ritsuko, Uemura, Sei

Journal:

Japanese Journal of Applied Physics

Année:

2014

Langue:

english

Fichier:

PDF, 37 KB

english, 2014

43

Photoisomerization of Stilbene Dendrimers: The Need for a Volume-conserving Isomerization Mechanism¶

Uda, Mayuko, Mizutani, Takuo, Hayakawa, Junpei, Momotake, Atsuya, Ikegami, Masashi, Nagahata, Ritsuko, Arai, Tatsuo

Journal:

Photochemistry and Photobiology

Année:

2002

Langue:

english

Fichier:

PDF, 218 KB

english, 2002

44

Microwave-Assisted Polyester and Polyamide Synthesis

Nakamura, Takashi, Nagahata, Ritsuko, Takeuchi, Kazuhiko

Journal:

Mini-Reviews in Organic Chemistry

Année:

2011

Langue:

english

Fichier:

PDF, 336 KB

english, 2011

45

The Photochemical Specific Isomerization of Dendritic Stilbenes

Momotake, Atsuya, Hayakawa, Junpei, Nagahata, Ritsuko, Arai, Tatsuo

Journal:

Bulletin of the Chemical Society of Japan

Année:

2004

Langue:

english

Fichier:

PDF, 130 KB

english, 2004

46

Synthesis and Photochemical Characteristics of Amphiphilic Enediyne Dendrimers

Yoshimura, Nao, Momotake, Atsuya, Shinohara, Yoshihiro, Takahashi, Kayori, Nagahata, Ritsuko, Nishimura, Yoshinobu, Arai, Tatsuo

Journal:

Bulletin of the Chemical Society of Japan

Année:

2009

Langue:

english

Fichier:

PDF, 510 KB

english, 2009

47

Enzymatic Oxidative Polymerization of p - t -Butylphenol and Characterization of the Product Polymer

Mita, Naruyoshi, Maruichi, Naoyuki, Tonami, Hiroyuki, Nagahata, Ritsuko, Tawaki, Shin-ichiro, Uyama, Hiroshi, Kobayashi, Shiro

Journal:

Bulletin of the Chemical Society of Japan

Année:

2003

Langue:

english

Fichier:

PDF, 382 KB

english, 2003

48

Silole-core Dendrimers: A Facile Synthesis and Photophysical Properties

Sanji, Takanobu, Ishiwata, Hiroyuki, Kaizuka, Tomoyoshi, Tanaka, Masato, Sakurai, Hideki, Nagahata, Ritsuko, Takeuchi, Kazuhiko

Journal:

Chemistry Letters

Année:

2005

Langue:

english

Fichier:

PDF, 79 KB

english, 2005

49

The First Synthesis of Stilbene Dendrimers and their Photochemical trans–cis Isomerization

Mizutani, Takuo, Ikegami, Masashi, Nagahata, Ritsuko, Arai, Tatsuo

Journal:

Chemistry Letters

Année:

2001

Langue:

english

Fichier:

PDF, 45 KB

english, 2001

50

Photoisomerization and Fluorescence Properties of para -Substituted Benzyl Ether-Type Stilbene Dendrimers

Watanabe, Shinko, Ikegami, Masashi, Nagahata, Ritsuko, Arai, Tatsuo

Journal:

Bulletin of the Chemical Society of Japan

Année:

2007

Langue:

english

Fichier:

PDF, 305 KB

english, 2007