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List of works by Tadashi Ema

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

scholarly article by Tadashi Ema et al published 30 September 1994 in Angewandte Chemie International Edition

5-[4-(1-Hydroxyethyl)phenyl]-10,15,20-triphenylporphyrin as a probe of the transition-state conformation in hydrolase-catalyzed enantioselective transesterifications

scientific article

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

scientific article published on 30 March 2012

Aggregation-Induced Circularly Polarized Luminescence from Boron Complexes with a Carbazoyl Schiff Base

scientific article published on 15 April 2020

Aluminum porphyrins with quaternary ammonium halides as catalysts for copolymerization of cyclohexene oxide and CO2: metal-ligand cooperative catalysis

scientific article published on 18 May 2020

Asymmetric reduction of a variety of ketones with a recombinant carbonyl reductase: identification of the gene encoding a versatile biocatalyst

scientific article published in March 2005

Asymmetric reduction of ketones using recombinant E. coli cells that produce a versatile carbonyl reductase with high enantioselectivity and broad substrate specificity

scientific article published in June 2006

Axially Chiral peri-Xanthenoxanthenes as a Circularly Polarized Luminophore

scientific article published on 22 July 2019

Azahelicene-Fused BODIPY Analogues Showing Circularly Polarized Luminescence

scientific article published on 27 February 2020

Bifunctional Catalysts for the CO<sub>2</sub> Fixation: Structural Optimization to Maximize the Synergetic Effect

scientific article published in 2016

Bifunctional Catalysts for the CO<sub>2</sub> Fixation: Structural Optimization to Maximize the Synergetic Effect

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

scientific article published on 04 November 2014

Bifunctional organocatalyst for activation of carbon dioxide and epoxide to produce cyclic carbonate: betaine as a new catalytic motif

scientific article published on 24 November 2010

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

scientific article published on 16 October 2014

Binaphthyl-Bipyridyl Cyclic Dyads as a Chiroptical Switch

scientific article published on 17 April 2018

Binaphthyl‐Bridged Pyrenophanes: Intense Circularly Polarized Luminescence Based on a D 2 Symmetry Strategy

scientific article published on 12 May 2022

Biogenous iron oxide-immobilized palladium catalyst for the solvent-free Suzuki–Miyaura coupling reaction

scientific article published in January 2012

Biomimetic trifunctional organocatalyst showing a great acceleration for the transesterification between vinyl ester and alcohol

scientific article

C -Methylenation of anilines and indoles with CO 2 and hydrosilane using a pentanuclear zinc complex catalyst

C -Methylenation of anilines and indoles with CO 2 and hydrosilane using a pentanuclear zinc complex catalyst

scientific article published in 2021

Calix[4]pyrroles as macrocyclic organocatalysts for the synthesis of cyclic carbonates from epoxides and carbon dioxide

Calix[4]pyrroles as macrocyclic organocatalysts for the synthesis of cyclic carbonates from epoxides and carbon dioxide

scientific article published in 2018

Carbazole-Based Boron Dipyrromethenes (BODIPYs): Facile Synthesis, Structures, and Fine-Tunable Optical Properties

scientific article published on 08 June 2015

Carbazole-based BODIPYs with ethynyl substituents at the boron center: solid-state excimer fluorescence in the VIS/NIR region.

scientific article published on 11 August 2017

Catalytic synthesis and physical properties of CO 2 -based cross-linked poly(cyclohexene carbonate)s

Catalytic synthesis and physical properties of CO 2 -based cross-linked poly(cyclohexene carbonate)s

scientific article published in 2023

Chemical Modification of Lipase for Rational Enhancement of Enantioselectivity

scientific article published on 5 October 2015

Chemical Modification of Lipase for Rational Enhancement of Enantioselectivity

Chemical modification of biogenous iron oxide to create an excellent enzyme scaffold

scientific article published on 19 October 2009

Chemoenzymatic synthesis of optically active alcohol and β-amino-acid derivative containing the difluoromethylene group

scientific article published in September 2010

Chiral Bifunctional Metalloporphyrin Catalysts for Kinetic Resolution of Epoxides with Carbon Dioxide

scientific article published on 27 February 2019

Chiral Macrocyclic Organocatalysts for Kinetic Resolution of Disubstituted Epoxides with Carbon Dioxide

scientific article published on 27 July 2017

Chiral carbazole-based porphyrins showing absorption and circular dichroism in the near-infrared region

scientific article published in January 2020

Chiral exciplex dyes showing circularly polarized luminescence: extension of the excimer chirality rule

Chiral exciplex dyes showing circularly polarized luminescence: extension of the excimer chirality rule

scientific article published on 10 November 2021

Chiral porphyrin dimer with a macrocyclic cavity for intercalation of aromatic guests

scientific article published on 11 April 2011

Chiral selector with multiple hydrogen-bonding sites in a macrocyclic cavity

scientific article published on 21 May 2008

Chiroptical and catalytic properties of doubly binaphthyl-strapped chiral porphyrins

scientific article published on 08 January 2019

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

scientific article published on 23 March 2021

Circularly polarized luminescence in molecular recognition systems: Recent achievements

scientific article published on 7 December 2022

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

scientific article published on 13 April 2016

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

scientific article published on 13 November 2012

Correction to "Bifunctional Porphyrin Catalysts for the Synthesis of Cyclic Carbonates from Epoxides and CO2: Structural Optimization and Mechanistic Study"

scientific article published on 07 July 2016

Cross-Coupling Approach to an Array of Macrocyclic Receptors Functioning as Chiral Solvating Agents

scientific article published on 30 August 2018

Crystal structure of a remarkably ruffled nonplanar porphyrin (pyridine)[5,10,15,20-tetra(tert-butyl)porphyrinato]zinc(II)

Cu-catalyzed carboxylation of organoboronic acid pinacol esters with CO 2

Cu-catalyzed carboxylation of organoboronic acid pinacol esters with CO 2

scientific article published in 2023

Deoxygenative CO 2 conversions with triphenylborane and phenylsilane in the presence of secondary amines or nitrogen-containing aromatics

Deoxygenative CO 2 conversions with triphenylborane and phenylsilane in the presence of secondary amines or nitrogen-containing aromatics

scientific article published in 2022

Determination of enantiomeric excess of carboxylates by fluorescent macrocyclic sensors† †Electronic supplementary information (ESI) available: Synthesis and characterization of S1–S4, fluorescence spectra, experimental detail of microarray, and res

scientific article

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

scientific article published on 23 February 2017

Empirical method for predicting enantioselectivity in catalytic reactions: demonstration with lipase and oxazaborolidine

scientific article published in November 2009

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

scientific article published on 4 June 2021

Enhancement of the Efficiency of the Low Temperature Method for Kinetic Resolution of Primary Alcohols by Optimizing the Organic Bridges in Porous Ceramic-Immobilized Lipase

scientific article published in July 2003

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

scientific article published on 08 April 2019

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

scientific article published on 8 October 2021

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

scientific article published on 30 May 2017

Hemisquaramide Tweezers as Organocatalysts: Synthesis of Cyclic Carbonates from Epoxides and CO2

scientific article published on 14 February 2019

High enantioselectivity and broad substrate specificity of a carbonyl reductase: toward a versatile biocatalyst.

scientific article published in December 2001

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

scientific article published on 17 March 2016

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

scientific article published in 2008

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

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

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

scientific article published in 2008

Highly active lipase immobilized on biogenous iron oxide via an organic bridging group: the dramatic effect of the immobilization support on enzymatic function

Highly active lipase immobilized on biogenous iron oxide via an organic bridging group: the dramatic effect of the immobilization support on enzymatic function

scientific article published in 2011

Highly enantioselective and efficient synthesis of methyl (R)-o-chloromandelate with recombinant E. coli: toward practical and green access to clopidogrel.

scientific article published on 19 March 2007

Highly enantioselective lipase-catalyzed reactions at high temperatures up to 120°C in organic solvent

scientific article published in December 2003

Highly sensitive chiral shift reagent bearing two zinc porphyrins

scientific article published in September 2005

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

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

scientific article published on 5 January 2008

Intense excimer CPL of pyrenes linked to a quaternaphthyl.

scientific article published on 22 January 2018

Intermolecular oxygen atom⋯π interaction in the crystal packing of chiral amino alcohol bearing a pentafluorophenyl group

scientific article published in August 2003

Intramolecular Electronic Coupling in the Thiophene-Bridged Carbazole-Based Diporphyrin

scientific article published on 16 November 2016

Kinetic resolution of 5-(hydroxymethyl)-3-phenyl-2-isoxazoline by using the ‘low-temperature method’ with porous ceramic-immobilized lipase

scientific article published in April 2005

Lipase-catalyzed dynamic kinetic resolution giving optically active cyanohydrins: use of silica-supported ammonium hydroxide and porous ceramic-immobilized lipase

scientific article published in February 2008

Lipase-catalyzed resolution of (2R*,3S*)- and (2R*,3R*)-3-methyl-3-phenyl-2-aziridinemethanol at low temperatures and determination of the absolute configurations of the four stereoisomers

scientific article published in February 2005

Macrocyclic multinuclear metal complexes acting as catalysts for organic synthesis

Macrocyclic multinuclear metal complexes acting as catalysts for organic synthesis

scientific article published in 2020

Magnetic Attachment of Lipase Immobilized on Bacteriogenic Iron Oxide Inside a Microtube Reactor for the Kinetic Resolution of Secondary Alcohols

Magnetic Attachment of Lipase Immobilized on Bacteriogenic Iron Oxide Inside a Microtube Reactor for the Kinetic Resolution of Secondary Alcohols

scientific article published on 24 January 2017

Mechanism of BPh 3 ‐Catalyzed N‐Methylation of Amines with CO 2 and Phenylsilane: Cooperative Activation of Hydrosilane

scientific article published on 20 September 2022

Mechanism of Enantioselectivity of Lipases and Other Synthetically Useful Hydrolases

scientific article published in July 2004

Minimization of Amounts of Catalyst and Solvent in NHC-Catalyzed Benzoin Reactions of Solid Aldehydes: Mechanistic Consideration of Solid-to-Solid Conversion and Total Synthesis of Isodarparvinol B

scientific article published on 20 April 2020

Molecular Recognition of Chiral Diporphyrin Receptor with a Macrocyclic Cavity for Intercalation of Aromatic Compounds

Molecular Recognition of Chiral Diporphyrin Receptor with a Macrocyclic Cavity for Intercalation of Aromatic Compounds

scientific article published on 15 January 2012

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

scientific article published on 06 May 2013

One-Pot Synthesis of Dihydropyrans via CO 2 Reduction and Domino Knoevenagel/oxa-Diels–Alder Reactions

scientific article published on 24 February 2023

One-Pot Synthesis of Dihydropyrans via CO 2 Reduction and Domino Knoevenagel/oxa-Diels–Alder Reactions

scientific article published in 2023

One‐Pot Synthesis of Aldehydes or Alcohols from CO 2 via Formamides or Silyl Formates

scientific article published on 14 March 2023

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

scientific article published on 03 November 2017

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

scientific article published on 28 November 2017

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

scientific article published in 2015

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

Rational control of enantioselectivity of lipase by site-directed mutagenesis based on the mechanism

scientific article published on 12 August 2005

Rational creation of mutant enzyme showing remarkable enhancement of catalytic activity and enantioselectivity toward poor substrates

scientific article published on 09 April 2010

Rational strategies for highly enantioselective lipase-catalyzed kinetic resolutions of very bulky chiral compounds: substrate design and high-temperature biocatalysis

scientific article published in September 2004

Recent progress in catalytic conversions of carbon dioxide

scientific article published in 2014

Recent progress in catalytic conversions of carbon dioxide

Redesign of enzyme for improving catalytic activity and enantioselectivity toward poor substrates: manipulation of the transition state

scientific article published on 18 June 2012

Reestimation of the Taft's substituent constant of the pentafluorophenyl group

scientific article published in October 2004

Robust porphyrin catalysts immobilized on biogenous iron oxide for the repetitive conversions of epoxides and CO2 into cyclic carbonates

scientific article published in 2013

Robust porphyrin catalysts immobilized on biogenous iron oxide for the repetitive conversions of epoxides and CO2 into cyclic carbonates

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

article

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

scientific article published on 15 December 2021

Selective anion sensing by chiral macrocyclic receptors with multiple hydrogen-bonding sites

scientific article published on 14 February 2014

Solvent-Free Benzoin and Stetter Reactions with a Small Amount of NHC Catalyst in the Liquid or Semisolid State

scientific article published on 25 October 2016

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

scientific article published on 09 January 2020

Spectroscopic Discrimination of Diastereomeric Complexes Involving an Axially Chiral Receptor

scientific article published on 07 August 2017

Stereoselective synthesis of bicyclic tertiary alcohols with quaternary stereocenters via intramolecular crossed benzoin reactions catalyzed by N-heterocyclic carbenes

scientific article published on 01 November 2009

Suzuki−Miyaura Coupling Reaction Using Pentafluorophenylboronic Acid

scientific article published on 01 October 2005

Synergistic effect of quaternary ammonium hydroxide and crown ether on the rapid and clear dissolution of cellulose at room temperature

scientific article published in 2014

Synergistic effect of quaternary ammonium hydroxide and crown ether on the rapid and clear dissolution of cellulose at room temperature

Synthesis and Chiroptical Properties of Chiral Carbazole-Based BODIPYs

scientific article published on 18 February 2020

Synthesis and Photophysical Properties of Dihetero[8]circulenes

scientific article published on 24 May 2023

Synthesis and Photophysical Properties of Dihetero[8]circulenes

scientific article published in 2023

Synthesis and electronic properties of carbazole-based core-modified diporphyrins showing near infrared absorption

scientific article published on 16 November 2020

Synthesis and electronic properties of π-expanded carbazole-based porphyrins

scientific article published on 07 August 2019

Synthesis and evaluation of chiral selectors with multiple hydrogen-bonding sites in the macrocyclic cavities

scientific article published in July 2010

Synthesis of Enamines, Aldehydes, and Nitriles from CO 2 : Scope of the One-Pot Strategy via Formamides

Synthesis of Enamines, Aldehydes, and Nitriles from CO 2 : Scope of the One-Pot Strategy via Formamides

scientific article published on 13 September 2022

Synthesis of Enantiomerically Pure ( R , R )- and ( S , S )-1,2-Bis(pentafluorophenyl)ethane-1,2-diamine and Evaluation of the p K a Value by Ab Initio Calculations

scientific article published in May 2004

Synthesis of Trimethylene Carbonates and Polycarbonates from Oxetanes and CO 2 Using Bifunctional Aluminum Porphyrin Catalysts

Synthesis of Trimethylene Carbonates and Polycarbonates from Oxetanes and CO 2 Using Bifunctional Aluminum Porphyrin Catalysts

scientific article published on 12 October 2022

Synthesis of a Molecular Tweezer Containing Pentafluorophenyl Groups and Investigation of the π–π Stacking Interaction for a Pentafluorophenyl Group in a Polar Organic Solvent

scientific article published in December 2005

Synthesis of carbazole-based BODIPY dimers showing red fluorescence in the solid state.

scientific article published on 17 October 2017

Synthesis of chiral carbazole-based BODIPYs showing circularly polarized luminescence

scientific article published on 01 March 2019

Synthesis of molecular tweezers bearing pentafluorophenyl and several pendant aryl groups

scientific article published in May 2006

Synthesis of silyl formates, formamides, and aldehydes via solvent-free organocatalytic hydrosilylation of CO2

scientific article published on 23 April 2020

Synthetic macrocyclic receptors in chiral analysis and separation

scientific article published on 9 March 2012

Synthetically useful variants of industrial lipases from Burkholderia cepacia and Pseudomonas fluorescens

scientific article published on 28 September 2017

Tetrameric and Hexameric Porphyrin Nanorings: Template Synthesis and Photophysical Properties

scientific article published on 27 August 2020

The effect of temperature on the lipase-catalyzed asymmetric protonation of 1-acetoxy-2-methylcyclohexene giving (R)-2-methylcyclohexanone

scientific article published in June 2004

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

scientific article published on 16 June 2016

Tuning the chiral cavity of macrocyclic receptor for chiral recognition and discrimination.

scientific article

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

scientific article published on 07 June 2019

Unexpected behavior of diastereomeric ions in the GasPhase: a stimulus for pondering on ee measurements by ESI-MS.

scientific article published on 14 March 2013

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

Versatile and practical chiral shift reagent with hydrogen-bond donor/acceptor sites in a macrocyclic cavity

scientific article published on 01 August 2006

Versatile and practical macrocyclic reagent with multiple hydrogen-bonding sites for chiral discrimination in NMR

scientific article published on 04 August 2007