Works by Ema, Tadashi

Results: 43

Synthesis of Isocoumarins via Light‐Driven Carboxylative Cyclization Reaction of o‐Ethynyl Aryl Bromides with CO2.

Published in:

Chemistry - A European Journal, 2025, v. 31, n. 34, p. 1, doi. 10.1002/chem.202500563

By:

Maeda, Chihiro;
Tanaka, Rio;
Higuchi, Nanaka;
Kiguchi, Shunsuke;
Ema, Tadashi

Publication type:

Article

Synthesis of hydroxy acids via the light-driven carboxylation of epoxides with CO2.

Published in:

Chemistry Letters, 2024, v. 53, n. 5, p. 1, doi. 10.1093/chemle/upae086

By:

Chihiro Maeda;
Ren Kumemoto;
Rio Tanaka;
Tadashi Ema

Publication type:

Article

Chemical Modification of Lipase for Rational Enhancement of Enantioselectivity.

Published in:

Chemistry Letters, 2015, v. 44, n. 10, p. 1374, doi. 10.1246/cl.150667

By:

Tadashi Ema;
Hiroki Inoue

Publication type:

Article

Hydrolase-catalyzed Kinetic Resolution of 5-[4-(1-Hydroxyethyl)phenyl]- 10,15,20-tris(pentafluorophenyl)porphyrin in Ionic Liquids.

Published in:

Chemistry Letters, 2008, v. 37, n. 1, p. 90, doi. 10.1246/cl.2008.90

By:

Ema, Tadashi;
Doi, Tokuhiro;
Sakai, Takashi

Publication type:

Article

Temperature‐Induced Sign Inversion of Circularly Polarized Luminescence of Binaphthyl‐Bridged Tetrathiapyrenophanes.

Published in:

Chemistry - A European Journal, 2024, v. 30, n. 32, p. 1, doi. 10.1002/chem.202400866

By:

Takaishi, Kazuto;
Yoshinami, Fumiya;
Sato, Yoshihiro;
Ema, Tadashi

Publication type:

Article

Cover Feature: Mechanism of BPh3‐Catalyzed N‐Methylation of Amines with CO2 and Phenylsilane: Cooperative Activation of Hydrosilane (Chem. Eur. J. 58/2022).

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 58, p. 1, doi. 10.1002/chem.202202954

By:

Ratanasak, Manussada;
Murata, Takumi;
Adachi, Taishin;
Hasegawa, Jun‐ya;
Ema, Tadashi

Publication type:

Article

Mechanism of BPh3‐Catalyzed N‐Methylation of Amines with CO2 and Phenylsilane: Cooperative Activation of Hydrosilane.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 58, p. 1, doi. 10.1002/chem.202202210

By:

Ratanasak, Manussada;
Murata, Takumi;
Adachi, Taishin;
Hasegawa, Jun‐ya;
Ema, Tadashi

Publication type:

Article

Ruthenium Complexes Bearing Axially Chiral Bipyridyls: The Mismatched Diastereomer Showed Red Circularly Polarized Phosphorescence.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 6, p. 1, doi. 10.1002/chem.202104212

By:

Takaishi, Kazuto;
Nakatsuka, Yusuke;
Asano, Hitomi;
Yamada, Yuya;
Ema, Tadashi

Publication type:

Article

Facile Synthesis of Azahelicenes and Diaza[8]circulenes through the Intramolecular Scholl Reaction.

Published in:

Chemistry - A European Journal, 2021, v. 27, n. 63, p. 15699, doi. 10.1002/chem.202102269

By:

Maeda, Chihiro;
Nomoto, Shuichi;
Akiyama, Koki;
Tanaka, Takayuki;
Ema, Tadashi

Publication type:

Article

Binaphthyl‐Bridged Pyrenophanes: Intense Circularly Polarized Luminescence Based on a D2 Symmetry Strategy.

Published in:

Angewandte Chemie, 2022, v. 134, n. 27, p. 1, doi. 10.1002/ange.202204609

By:

Takaishi, Kazuto;
Murakami, Sho;
Yoshinami, Fumiya;
Ema, Tadashi

Publication type:

Article

Circularly Polarized Luminescence Liquids Based on Siloxybinaphthyls: Best Binaphthyl Dihedral Angle in the Excited State.

Published in:

Angewandte Chemie, 2021, v. 133, n. 18, p. 10056, doi. 10.1002/ange.202101226

By:

Takaishi, Kazuto;
Matsumoto, Tomoki;
Kawataka, Miyu;
Ema, Tadashi

Publication type:

Article

Azahelicene‐Fused BODIPY Analogues Showing Circularly Polarized Luminescence.

Published in:

Angewandte Chemie, 2020, v. 132, n. 20, p. 7887, doi. 10.1002/ange.202001186

By:

Maeda, Chihiro;
Nagahata, Keiji;
Shirakawa, Takuma;
Ema, Tadashi

Publication type:

Article

Unexpected Macrocyclic Multinuclear Zinc and Nickel Complexes that Function as Multitasking Catalysts for CO2 Fixations.

Published in:

Angewandte Chemie, 2019, v. 131, n. 29, p. 10089, doi. 10.1002/ange.201904224

By:

Takaishi, Kazuto;
Nath, Bikash Dev;
Yamada, Yuya;
Kosugi, Hiroyasu;
Ema, Tadashi

Publication type:

Article

Theoretical Study on Highly Active Bifunctional Metalloporphyrin Catalysts for the Coupling Reaction of Epoxides with Carbon Dioxide.

Published in:

Chemical Record, 2016, v. 16, n. 5, p. 2260, doi. 10.1002/tcr.201600053

By:

Hasegawa, Jun‐ya;
Miyazaki, Ray;
Maeda, Chihiro;
Ema, Tadashi

Publication type:

Article

Spectroscopic Discrimination of Diastereomeric Complexes Involving an Axially Chiral Receptor.

Published in:

ChemPhysChem, 2017, v. 18, n. 18, p. 2475, doi. 10.1002/cphc.201700732

By:

Filippi, Antonello;
Fraschetti, Caterina;
Guarcini, Laura;
Zazza, Costantino;
Ema, Tadashi;
Speranza, Maurizio

Publication type:

Article

A Binaphthyl Macrocycle Exhibiting Circularly Polarized Luminescence: On–off Switch Triggered by Molecular Recognition.

Published in:

Chemistry - A European Journal, 2025, v. 31, n. 24, p. 1, doi. 10.1002/chem.202500736

By:

Takaishi, Kazuto;
Taniuchi, Itsuki;
Miyashita, Sho;
Yabushita, Kei;
Ema, Tadashi

Publication type:

Article

Selective and Divergent Synthesis of Naphthalene‐ and Phenanthrene‐Fused Azahelicenes by Turning Rearrangement On or Off.

Published in:

Chemistry - A European Journal, 2025, v. 31, n. 16, p. 1, doi. 10.1002/chem.202404325

By:

Maeda, Chihiro;
Michishita, Sayaka;
Ema, Tadashi

Publication type:

Article

One‐Pot Synthesis of Aldehydes or Alcohols from CO2 via Formamides or Silyl Formates.

Published in:

Advanced Synthesis & Catalysis, 2023, v. 365, n. 6, p. 877, doi. 10.1002/adsc.202300031

By:

Yang, Fan;
Saiki, Yuta;
Nakaoka, Koichi;
Ema, Tadashi

Publication type:

Article

Cyclic Azahelicene Dimers Showing Bright Circularly Polarized Luminescence and Selective Fluoride Recognition.

Published in:

Angewandte Chemie International Edition, 2024, v. 63, n. 30, p. 1, doi. 10.1002/anie.202404149

By:

Maeda, Chihiro;
Yasutomo, Issa;
Ema, Tadashi

Publication type:

Article

Binaphthyl‐Bridged Pyrenophanes: Intense Circularly Polarized Luminescence Based on a D2 Symmetry Strategy.

Published in:

Angewandte Chemie International Edition, 2022, v. 61, n. 27, p. 1, doi. 10.1002/anie.202204609

By:

Takaishi, Kazuto;
Murakami, Sho;
Yoshinami, Fumiya;
Ema, Tadashi

Publication type:

Article

Circularly Polarized Luminescence Liquids Based on Siloxybinaphthyls: Best Binaphthyl Dihedral Angle in the Excited State.

Published in:

Angewandte Chemie International Edition, 2021, v. 60, n. 18, p. 9968, doi. 10.1002/anie.202101226

By:

Takaishi, Kazuto;
Matsumoto, Tomoki;
Kawataka, Miyu;
Ema, Tadashi

Publication type:

Article

Azahelicene‐Fused BODIPY Analogues Showing Circularly Polarized Luminescence.

Published in:

Angewandte Chemie International Edition, 2020, v. 59, n. 20, p. 7813, doi. 10.1002/anie.202001186

By:

Maeda, Chihiro;
Nagahata, Keiji;
Shirakawa, Takuma;
Ema, Tadashi

Publication type:

Article

Unexpected Macrocyclic Multinuclear Zinc and Nickel Complexes that Function as Multitasking Catalysts for CO2 Fixations.

Published in:

Angewandte Chemie International Edition, 2019, v. 58, n. 29, p. 9984, doi. 10.1002/anie.201904224

By:

Takaishi, Kazuto;
Nath, Bikash Dev;
Yamada, Yuya;
Kosugi, Hiroyasu;
Ema, Tadashi

Publication type:

Article

B,N‐Embedded Helical Nanographenes Showing an Ion‐Triggered Chiroptical Switching Function.

Published in:

Angewandte Chemie, 2025, v. 137, n. 8, p. 1, doi. 10.1002/ange.202418546

By:

Maeda, Chihiro;
Michishita, Sayaka;
Yasutomo, Issa;
Ema, Tadashi

Publication type:

Article

Cyclic Azahelicene Dimers Showing Bright Circularly Polarized Luminescence and Selective Fluoride Recognition.

Published in:

Angewandte Chemie, 2024, v. 136, n. 30, p. 1, doi. 10.1002/ange.202404149

By:

Maeda, Chihiro;
Yasutomo, Issa;
Ema, Tadashi

Publication type:

Article

Aggregation‐Induced Circularly Polarized Luminescence from Boron Complexes with a Carbazolyl Schiff Base.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 57, p. 13016, doi. 10.1002/chem.202001463

By:

Maeda, Chihiro;
Nomoto, Shuichi;
Takaishi, Kazuto;
Ema, Tadashi

Publication type:

Article

Frontispiece: Synthesis and Chiroptical Properties of Chiral Carbazole‐Based BODIPYs.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 19, p. 1, doi. 10.1002/chem.202081963

By:

Maeda, Chihiro;
Suka, Keita;
Nagahata, Keiji;
Takaishi, Kazuto;
Ema, Tadashi

Publication type:

Article

Synthesis and Chiroptical Properties of Chiral Carbazole‐Based BODIPYs.

Published in:

Chemistry - A European Journal, 2020, v. 26, n. 19, p. 4261, doi. 10.1002/chem.201904954

By:

Maeda, Chihiro;
Suka, Keita;
Nagahata, Keiji;
Takaishi, Kazuto;
Ema, Tadashi

Publication type:

Article

Helical Oligonaphthodioxepins Showing Intense Circularly Polarized Luminescence (CPL) in Solution and in the Solid State.

Published in:

Chemistry - A European Journal, 2017, v. 23, n. 39, p. 9249, doi. 10.1002/chem.201702143

By:

Takaishi, Kazuto;
Yamamoto, Takahiro;
Hinoide, Sakiko;
Ema, Tadashi

Publication type:

Article

Circularly polarized luminescence in molecular recognition systems: Recent achievements.

Published in:

Chirality, 2023, v. 35, n. 2, p. 92, doi. 10.1002/chir.23522

By:

Takaishi, Kazuto;
Maeda, Chihiro;
Ema, Tadashi

Publication type:

Article

Color-Tunable Solid-State Fluorescence Emission from Carbazole-Based BODIPYs.

Published in:

Chemistry - A European Journal, 2016, v. 22, n. 22, p. 7508, doi. 10.1002/chem.201505150

By:

Maeda, Chihiro;
Todaka, Takumi;
Ueda, Tomomi;
Ema, Tadashi

Publication type:

Article

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

Published in:

Chemistry - A European Journal, 2016, v. 22, n. 19, p. 6556, doi. 10.1002/chem.201600164

By:

Maeda, Chihiro;
Shimonishi, Junta;
Miyazaki, Ray;
Hasegawa, Jun‐ya;
Ema, Tadashi

Publication type:

Article

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

Published in:

Chemistry - A European Journal, 2016, v. 22, n. 19, p. n/a, doi. 10.1002/chem.201681962

By:

Maeda, Chihiro;
Shimonishi, Junta;
Miyazaki, Ray;
Hasegawa, Jun‐ya;
Ema, Tadashi

Publication type:

Article

Bifunctional Catalysts Based on m-Phenylene-Bridged Porphyrin Dimer and Trimer Platforms: Synthesis of Cyclic Carbonates from Carbon Dioxide and Epoxides.

Published in:

Angewandte Chemie, 2015, v. 127, n. 1, p. 136, doi. 10.1002/ange.201409729

By:

Maeda, Chihiro;
Taniguchi, Tomoya;
Ogawa, Kanae;
Ema, Tadashi

Publication type:

Article

5,10,15,20-Tetra- tert-butylporphyrin and Its Remarkable Reactivity in the 5- and 15-Positions.

Published in:

Angewandte Chemie International Edition, 1994, v. 33, n. 18, p. 1879, doi. 10.1002/anie.199418791

By:

Ema, Tadashi;
Senge, Mathias O.;
Nelson, Nora Y.;
Ogoshi, Hisanobu;
Smith, Kevin M.

Publication type:

Article

Construction of Contiguous Tetrasubstituted Carbon Stereocenters by Intramolecular Crossed Benzoin Reactions Catalyzed by N-Heterocyclic Carbene (NHC) Organocatalyst.

Published in:

Advanced Synthesis & Catalysis, 2012, v. 354, n. 17, p. 3283, doi. 10.1002/adsc.201200499

By:

Ema, Tadashi;
Akihara, Kumiko;
Obayashi, Ryoko;
Sakai, Takashi

Publication type:

Article

Enhancement of protein thermostability by three consecutive mutations using loop-walking method and machine learning.

Published in:

Scientific Reports, 2021, v. 11, n. 1, p. 1, doi. 10.1038/s41598-021-91339-4

By:

Yoshida, Kazunori;
Kawai, Shun;
Fujitani, Masaya;
Koikeda, Satoshi;
Kato, Ryuji;
Ema, Tadashi

Publication type:

Article

Palladium Complexes of Carbazole-Based Chalcogenaisophlorins: Synthesis, Structure, and Solid-State NIR Absorption Spectra.

Published in:

ChemPlusChem, 2017, v. 82, n. 12, p. 1368, doi. 10.1002/cplu.201700430

By:

Maeda, Chihiro;
Takaishi, Kazuto;
Ema, Tadashi

Publication type:

Article

Multifunctional Macrocyclic Receptors as Templates for Aromatic Amino Acids: A Rare Example of a Highly Selective Multi-Input Multi-Output Chemo-'Logic Gate'.

Published in:

ChemPlusChem, 2013, v. 78, n. 9, p. 979, doi. 10.1002/cplu.201300086

By:

Fraschetti, Caterina;
Filippi, Antonello;
Crestoni, Maria Elisa;
Ema, Tadashi;
Speranza, Maurizio

Publication type:

Article

Electronic Tuning of Zinc Porphyrin Catalysts for the Conversion of Epoxides and Carbon Dioxide into Cyclic Carbonates.

Published in:

ChemCatChem, 2017, v. 9, n. 6, p. 946, doi. 10.1002/cctc.201601690

By:

Maeda, Chihiro;
Sasaki, Sota;
Ema, Tadashi

Publication type:

Article

Bifunctional Catalysts Based on m-Phenylene-Bridged Porphyrin Dimer and Trimer Platforms: Synthesis of Cyclic Carbonates from Carbon Dioxide and Epoxides.

Published in:

Angewandte Chemie International Edition, 2015, v. 54, n. 1, p. 134, doi. 10.1002/anie.201409729

By:

Maeda, Chihiro;
Taniguchi, Tomoya;
Ogawa, Kanae;
Ema, Tadashi

Publication type:

Article

Molecular recognition: New chiral metalloporphyrins as receptor models.

Published in:

Supramolecular Chemistry, 1995, v. 6, n. 1/2, p. 115, doi. 10.1080/10610279508032527

By:

Ogoshi, Hisanobu;
Ema, Tadashi;
Kato, Yusuke;
Mizutani, Tadashi;
Kuroda, Yasuhisa

Publication type:

Article

B,N‐Embedded Helical Nanographenes Showing an Ion‐Triggered Chiroptical Switching Function.

Published in:

Angewandte Chemie International Edition, 2025, v. 64, n. 8, p. 1, doi. 10.1002/anie.202418546

By:

Maeda, Chihiro;
Michishita, Sayaka;
Yasutomo, Issa;
Ema, Tadashi

Publication type:

Article