Tadashi Ema

Profile Information

Affiliation: Professor, Graduate School of Environmental, Life, Natural Science and Technology, Okayama University

Degree: 博士(工学)(京都大学)

Contact information: emacc.okayama-u.ac.jp
J-GLOBAL ID: 200901056306409500
researchmap Member ID: 1000187307

External link: http://achem.okayama-u.ac.jp/soc/index.html

Research Interests

有機合成化学・生物有機化学

Research History

Education

1989 - 1994

Kyoto University
1985 - 1989

Faculty of Engineering, Kyoto University

Committee Memberships

Awards

Papers

141

Synthesis and Photophysical Properties of Dihetero[8]circulenes

Chihiro Maeda, Koki Akiyama, Tadashi Ema

Organic Letters, Jun 2, 2023
One‐Pot Synthesis of Aldehydes or Alcohols from CO 2 via Formamides or Silyl Formates

Fan Yang, Yuta Saiki, Koichi Nakaoka, Tadashi Ema

Advanced Synthesis & Catalysis, Mar 21, 2023
One-Pot Synthesis of Dihydropyrans via CO2 Reduction and Domino Knoevenagel/oxa-Diels–Alder Reactions

Kazuto Takaishi, Ritsuki Nishimura, Yuha Toda, Hajime Morishita, Tadashi Ema

Organic Letters, Mar 10, 2023
Circularly polarized luminescence from porphyrin-containing (supra)molecular systems

Chihiro Maeda, Issa Yasutomo, Kazuto Takaishi, Tadashi Ema

Journal of Porphyrins and Phthalocyanines, 27(07n10) 903-911, Feb 27, 2023
Circularly polarized luminescence in molecular recognition systems: Recent achievements

Kazuto Takaishi, Chihiro Maeda, Tadashi Ema

Chirality, 35(2) 92-103, Feb, 2023
Cu-catalyzed carboxylation of organoboronic acid pinacol esters with CO2

Chihiro Maeda, Takumi Cho, Ren Kumemoto, Tadashi Ema

Organic & Biomolecular Chemistry, 2023
Catalytic synthesis and physical properties of CO2-based cross-linked poly(cyclohexene carbonate)s

Chihiro Maeda, Kenta Kawabata, Kaito Niki, Yuma Sako, Takumi Okihara, Tadashi Ema

Polymer Chemistry, 14(37) 4338-4343, 2023
Synthesis of Trimethylene Carbonates and Polycarbonates from Oxetanes and CO2 Using Bifunctional Aluminum Porphyrin Catalysts

Chihiro Maeda, Hina Inoue, Ayano Ichiki, Takumi Okihara, Tadashi Ema

ACS Catalysis, Oct 21, 2022
Mechanism of BPh3‐Catalyzed N‐Methylation of Amines with CO2 and Phenylsilane: Cooperative Activation of Hydrosilane

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

Chemistry – A European Journal, Oct 18, 2022
Binaphthyl‐Bridged Pyrenophanes: Intense Circularly Polarized Luminescence Based on a D 2 Symmetry Strategy

Kazuto Takaishi, Sho Murakami, Fumiya Yoshinami, Tadashi Ema

Angewandte Chemie International Edition, Jul 4, 2022
Ruthenium Complexes Bearing Axially Chiral Bipyridyls: The Mismatched Diastereomer Showed Red Circularly Polarized Phosphorescence

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

Chemistry – A European Journal, Jan 27, 2022
Deoxygenative CO2 conversions with triphenylborane and phenylsilane in the presence of secondary amines or nitrogen-containing aromatics

Takumi Murata, Mahoko Hiyoshi, Shinsuke Maekawa, Yuta Saiki, Manussada Ratanasak, Jun-ya Hasegawa, Tadashi Ema

Green Chemistry, 24(6) 2385-2390, 2022
Enhancement of protein thermostability by three consecutive mutations using loop-walking method and machine learning

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

Scientific Reports, 11(1), Dec, 2021
Chiral exciplex dyes showing circularly polarized luminescence: Extension of the excimer chirality rule

Kazuto Takaishi, Sho Murakami, Kazuhiro Iwachido, Tadashi Ema

Chemical Science, 12(43) 14570-14576, Nov 21, 2021
Facile Synthesis of Azahelicenes and Diaza[8]circulenes through the Intramolecular Scholl Reaction

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

Chemistry - A European Journal, 27(63) 15699-15705, Nov 11, 2021
C-Methylenation of anilines and indoles with CO<inf>2</inf>and hydrosilane using a pentanuclear zinc complex catalyst

Kazuto Takaishi, Hiroyasu Kosugi, Ritsuki Nishimura, Yuya Yamada, Tadashi Ema

Chemical Communications, 57(65) 8083-8086, Aug 21, 2021
Circularly Polarized Luminescence Liquids Based on Siloxybinaphthyls: Best Binaphthyl Dihedral Angle in the Excited State

Kazuto Takaishi, Tomoki Matsumoto, Miyu Kawataka, Tadashi Ema

Angewandte Chemie - International Edition, 60(18) 9968-9972, Apr, 2021
Synthesis and electronic properties of carbazole-based core-modified diporphyrins showing near infrared absorption

Chihiro Maeda, Takuma Shirakawa, Tadashi Ema

Chemical Communications, 56(95) 15048-15051, Dec 11, 2020
Aggregation-Induced Circularly Polarized Luminescence from Boron Complexes with a Carbazolyl Schiff Base

Chihiro Maeda, Shuichi Nomoto, Kazuto Takaishi, Tadashi Ema

Chemistry - A European Journal, 26(57) 13016-13021, Oct 9, 2020
Tetrameric and Hexameric Porphyrin Nanorings: Template Synthesis and Photophysical Properties

Chihiro Maeda, Shoki Toyama, Naoki Okada, Kazuto Takaishi, Seongsoo Kang, Dongho Kim, Tadashi Ema

Journal of the American Chemical Society, 142(37) 15661-15666, Sep 16, 2020

Misc.

Macrocyclic multinuclear metal complexes acting as catalysts for organic synthesis

Bikash Dev Nath, Kazuto Takaishi, Tadashi Ema

Catalysis Science and Technology, 10(1) 12-34, 2020
Recent progress in catalytic conversions of carbon dioxide

Chihiro Maeda, Yuki Miyazaki, Tadashi Ema

Catalysis Science and Technology, 4(6) 1482-1497, Jun, 2014
Rational strategies for highly enantioselective lipase-catalyzed kinetic resolutions of very bulky chiral compounds: Substrate design and high-temperature biocatalysis

Tadashi Ema

Tetrahedron Asymmetry, 15(18) 2765-2770, Sep 20, 2004
Mechanism of enantioselectivity of lipases and other synthetically useful hydrolases

Tadashi Ema

Current Organic Chemistry, 8(11) 1009-1025, Jul, 2004

Books and Other Publications

ドラマチック有機合成化学 : 感動の瞬間100

有機合成化学協会 (Role: Contributor, 二官能性ポルフィリン金属錯体触媒の開発−15年を経て恩師直伝の知恵を使う)

化学同人, Jul, 2023 (ISBN: 9784759823363)
Practical Methods for Biocatalysis and Biotransformations 3

Wiley, 2016
有機合成実験法ハンドブック（第2版）

有機合成化学協会, 2015
酵素利用技術大系：基礎・解析から改変・高機能化・産業利用まで

エヌ・ティー・エス, 2010
Practical Methods for Biocatalysis and Biotransformations

Wiley, 2010
超分子サイエンス〜基礎から材料への展開〜

エヌ・ティー・エス, 2009

Professional Memberships

Research Projects

Supramolecular Coordination System for the Construction of Mn Clusters

Grants-in-Aid for Scientific Research, Grant-in-Aid for Challenging Exploratory Research, Japan Society for the Promotion of Science, Apr, 2015 - Mar, 2019

Ema Tadashi, MAEDA Chihiro, TAKAISHI Kazuto
Construction of Carbazole-Based Porphyrin Arrays

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2015 - Mar, 2019

Maeda Chihiro, Ema Tadashi, Takaishi Kazuto, Todaka Takumi, Ueda Tomomi, Tanaka Yumi, Nagahata Keiji
Creation of Artificial Biocatalysts with NHC and Application to Organic Synthesis

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2013 - Mar, 2019

Ema Tadashi
協同効果を利用する精密制御反応場：多官能性ポルフィリン金属錯体

科学研究費助成事業, 新学術領域研究(研究領域提案型), 日本学術振興会, Apr, 2016 - Mar, 2018

依馬正
Creation of Artificial Biocatalysts Capable of Catalyzing C-C Bond Formation

Grants-in-Aid for Scientific Research, Grant-in-Aid for Challenging Exploratory Research, Japan Society for the Promotion of Science, 2011 - 2012

EMA Tadashi
Creation of Excellent Mutant Enzymes and Synthetic Application

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2008 - 2010

EMA Tadashi
Elucidation of Mechanisms and Control of Functions of Versatile Biocatalysts

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2005 - 2006

EMA Tadashi
Development of Biocatalysts Using Organized Nano-reactors

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2003 - 2004

EMA Tadashi, SAKAI Takashi, KORENAGA Toshinobu
Development of Porous Ceramic-Immobilized Lipase Catalyst and Optically Active Fluorinated supramolecules

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2001 - 2003

SAKAI Takashi, YASUI Shigeo, KORENAGA Toshinobu, EMA Tadashi
Efficient Preparation of Optically Active Highly Strained Azirines and Synthesis of Natural and Unnatural Amines and Amino Acids

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2000 - 2002

SAKAI Takashi, KORENAGA Toshinobu, EMA Tadashi
Synthesis of Optically Active Compounds Having Pentafluorophenyl Group - The Structure and Function

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 1998 - 1999

UTAKA Masanori, MINAI Masayoshi, EMA Tadashi, SAKAI Takashi
Efficient Synthesis of New Chiral Synthons by Artificial Regulation of Biocatalysis and Development of Optically Active Drugs

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 1997 - 1999

SAKAI Takashi, MINAI Masayoshi, EMA Tadashi, UTAKA Masanori
Synthesis of Multi-functional Chiral Molecules by Developing the Function of Biocatalysts

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 1995 - 1997

UTAKA Masanori, TSUBOI Sadao, EMA Tadashi, SAKAI Takashi
新規高歪みポルフィリンの合成とその反応性に関する研究

科学研究費助成事業, 奨励研究(A), 日本学術振興会, 1996 - 1996

依馬正

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Research History

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Awards

Papers

Misc.

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