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15 results on '"Ema, Tadashi"'

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1. Aluminum porphyrins with quaternary ammonium halides as catalysts for copolymerization of cyclohexene oxide and CO2: metal–ligand cooperative catalysis† †Electronic supplementary information (ESI) available: Synthesis, copolymerization reactions, kinetic experiments, and DFT calculations. See DOI: 10.1039/d0sc01609h

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

3. 5-[4-(1-hydroxyethyl)phenyl]-10,15,20-triphenylporphyrin as a probe of the transition-state conformation in hydrolase-catalyzed enantioselective transesterifications

4. Lipase-catalyzed transesterification of 2-hydroxy-2-(pentafluorophenyl)acetonitrile leading to (1R,2R)-and (1S,2S)-bis(pentafluorophenyl)ethane-1,2-diol

5. Highly enantioselective reduction of carbonyl compounds using a reductase purified from bakers' yeast

6. Kinetic resolution of racemic 2-substituted 3-cyclopenten-1-ols by lipase-catalyzed transesterifications: a rational strategy to improve enantioselectivity

7. Mechanism of induced circular dichroism of amino acid ester-porphyrin supramolecular systems. Implications to the origin of the circular dichroism of hemoprotein

8. Design and synthesis of a trifunctional chiral porphyrin with C2 symmetry as a chiral recognition host for amino acid esters

9. Recognition of alpha-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

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

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

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

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

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

15. Enhancement of the enantioselectivity in lipase-catalyzed kinetic resolutions of 3-phenyl-2H-azirine-2-methanol by lowering the temperature to -40 degrees Celsius

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