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Chemistry

D-Index
58
Citations
10499
World Ranking
10763
National Ranking
787

Overview

Tadashi Ema is affiliated with Okayama University in Japan and has a research focus spanning materials science and chemistry. Their research contributions emphasize the intersection of materials chemistry and organic chemistry, with notable engagement in process chemistry and sustainability topics.

Their research encompasses a number of specialized subfields including:

  • Materials Chemistry
  • Organic Chemistry
  • Process Chemistry and Technology
  • Renewable Energy, Sustainability and the Environment
  • Inorganic Chemistry

Tadashi Ema's work has contributed to several main thematic topics such as:

  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Synthesis and Properties of Aromatic Compounds
  • Carbon dioxide utilization in catalysis
  • Luminescence and Fluorescent Materials
  • CO2 Reduction Techniques and Catalysts
  • Asymmetric Hydrogenation and Catalysis

The scientist has authored papers published in key venues including:

  • The Cambridge Structural Database
  • Chemistry - A European Journal
  • Angewandte Chemie International Edition
  • Angewandte Chemie
  • Chemical Communications

Notable recent papers include:

  • Solvent-Induced Sign Inversion of Circularly Polarized Luminescence: Control of Excimer Chirality by Hydrogen Bonding, 2020, Journal of the American Chemical Society
  • Azahelicene-Fused BODIPY Analogues Showing Circularly Polarized Luminescence, 2020, Angewandte Chemie International Edition
  • Binaphthyl-Bridged Pyrenophanes: Intense Circularly Polarized Luminescence Based on a D2Symmetry Strategy, 2022, Angewandte Chemie International Edition
  • Aluminum porphyrins with quaternary ammonium halides as catalysts for copolymerization of cyclohexene oxide and CO2: metal-ligand cooperative catalysis, 2020, Chemical Science
  • Circularly Polarized Luminescence Liquids Based on Siloxybinaphthyls: Best Binaphthyl Dihedral Angle in the Excited State, 2021, Angewandte Chemie International Edition

Frequent coauthors collaborating with Tadashi Ema include:

  • Chihiro Maeda
  • Kazuto Takaishi
  • Shuichi Nomoto
  • Koki Akiyama
  • Keiji Nagahata

Best Publications

  • Recent progress in catalytic conversions of carbon dioxide

    Chihiro Maeda;Yuki Miyazaki;Tadashi Ema

  • Bifunctional porphyrin catalysts for the synthesis of cyclic carbonates from epoxides and CO2: structural optimization and mechanistic study.

    Tadashi Ema;Yuki Miyazaki;Junta Shimonishi;Chihiro Maeda

  • Bifunctional catalysts based on m-phenylene-bridged porphyrin dimer and trimer platforms: synthesis of cyclic carbonates from carbon dioxide and epoxides.

    Chihiro Maeda;Tomoya Taniguchi;Kanae Ogawa;Tadashi Ema

  • A bifunctional catalyst for carbon dioxide fixation: cooperative double activation of epoxides for the synthesis of cyclic carbonates

    Tadashi Ema;Yuki Miyazaki;Shohei Koyama;Yuya Yano

  • Ruffling in a Series of Nickel(II) meso-Tetrasubstituted Porphyrins as a Model for the Conserved Ruffling of the Heme of Cytochromes c.

    W. Jentzen;M. C. Simpson;J. D. Hobbs;X. Song;X. Song

  • Solvent-Induced Sign Inversion of Circularly Polarized Luminescence: Control of Excimer Chirality by Hydrogen Bonding

    Kazuto Takaishi;Kazuhiro Iwachido;Tadashi Ema

  • Binaphthyl-Bipyridyl Cyclic Dyads as a Chiroptical Switch.

    Kazuto Takaishi;Makoto Yasui;Tadashi Ema

  • Highly active and robust organic–inorganic hybrid catalyst for the synthesis of cyclic carbonates from carbon dioxide and epoxides

    Takashi Sakai;Yoshihiro Tsutsumi;Tadashi Ema

  • Versatile and Practical Macrocyclic Reagent with Multiple Hydrogen-Bonding Sites for Chiral Discrimination in NMR

    Tadashi Ema;Daisuke Tanida;Takashi Sakai

  • Bifunctional Organocatalyst for Activation of Carbon Dioxide and Epoxide To Produce Cyclic Carbonate: Betaine as a New Catalytic Motif

    Yoshihiro Tsutsumi;Kyohei Yamakawa;Masahiko Yoshida;Tadashi Ema

  • Evolving Fluorophores into Circularly Polarized Luminophores with a Chiral Naphthalene Tetramer: Proposal of Excimer Chirality Rule for Circularly Polarized Luminescence.

    Kazuto Takaishi;Kazuhiro Iwachido;Ryosuke Takehana;Masanobu Uchiyama;Masanobu Uchiyama

  • Highly Active and Robust Metalloporphyrin Catalysts for the Synthesis of Cyclic Carbonates from a Broad Range of Epoxides and Carbon Dioxide.

    Chihiro Maeda;Junta Shimonishi;Ray Miyazaki;Jun Ya Hasegawa

  • 5,10,15,20‐Tetra‐tert‐butylporphyrin and Its Remarkable Reactivity in the 5‐ and 15‐Positions

    Tadashi Ema;Mathias O. Senge;Nora Y. Nelson;Hisanobu Ogoshi

  • Suzuki-Miyaura coupling reaction using pentafluorophenylboronic acid.

    Toshinobu Korenaga;Takahiro Kosaki;Rokki Fukumura;Tadashi Ema

  • Design and Synthesis of a Trifunctional Chiral Porphyrin with C2 Symmetry as a Chiral Recognition Host for Amino Acid Esters

    Tadashi Mizutani;Tadashi Ema;Takashi Tomita;Yasuhisa Kuroda

  • Azahelicene-Fused BODIPY Analogues Showing Circularly Polarized Luminescence

    Chihiro Maeda;Keiji Nagahata;Takuma Shirakawa;Tadashi Ema

  • Quaternary ammonium hydroxide as a metal-free and halogen-free catalyst for the synthesis of cyclic carbonates from epoxides and carbon dioxide

    Tadashi Ema;Kazuki Fukuhara;Takashi Sakai;Masaki Ohbo

  • Enhancement of the Enantioselectivity in Lipase-Catalyzed Kinetic Resolutions of 3-Phenyl-2H-azirine-2-methanol by Lowering the Temperature to −40 °C

    Takashi Sakai;Isamu Kawabata;Tetsuo Kishimoto;Tadashi Ema

  • Highly Efficient Chemoenzymatic Synthesis of Methyl (R)-o-Chloromandelate, a Key Intermediate for Clopidogrel, via Asymmetric Reduction with Recombinant Escherichia coli

    Tadashi Ema;Sayaka Ide;Nobuyasu Okita;Takashi Sakai

  • Unusual picosecond 1(π, π∗) deactivation of ruffled nonplanar porphyrins

    Steve Gentemann;Craig J. Medforth;Tadashi Ema;Tadashi Ema;Nora Y. Nelson

  • Recognition of α-Amino Acid Esters by Zinc Porphyrin Derivatives via Coordination and Hydrogen Bonding Interactions. Evidence for Two-Point Fixation from Thermodynamic and Induced Circular Dichroism Spectroscopic Studies

    Tadashi Mizutani;Tadashi Ema;Takashi Yoshida;Yasuhisa Kuroda

Frequent Co-Authors

Hisanobu Ogoshi
Hisanobu Ogoshi Kyoto University
Jun-ya Hasegawa
Jun-ya Hasegawa Hokkaido University
Mathias O. Senge
Mathias O. Senge Trinity College Dublin
Kenji Uneyama
Kenji Uneyama Okayama University
Masanobu Uchiyama
Masanobu Uchiyama University of Tokyo
John A. Shelnutt
John A. Shelnutt University of Georgia
Hiroshi Nakatsuji
Hiroshi Nakatsuji Kyoto University
Seiji Suga
Seiji Suga Okayama University
Dongho Kim
Dongho Kim Yonsei University

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