40 results on '"Ema, Tadashi"'
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2. Catalytic synthesis and physical properties of CO2-based cross-linked poly(cyclohexene carbonate)s.
3. Cu-catalyzed carboxylation of organoboronic acid pinacol esters with CO2.
4. 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
5. Deoxygenative CO2 conversions with triphenylborane and phenylsilane in the presence of secondary amines or nitrogen-containing aromatics.
6. Chiral exciplex dyes showing circularly polarized luminescence: extension of the excimer chirality rule.
7. C-Methylenation of anilines and indoles with CO2 and hydrosilane using a pentanuclear zinc complex catalyst.
8. Synthesis and electronic properties of carbazole-based core-modified diporphyrins showing near infrared absorption.
9. Aluminum porphyrins with quaternary ammonium halides as catalysts for copolymerization of cyclohexene oxide and CO2: metal–ligand cooperative catalysis.
10. Synthesis of silyl formates, formamides, and aldehydes via solvent-free organocatalytic hydrosilylation of CO2.
11. Macrocyclic multinuclear metal complexes acting as catalysts for organic synthesis.
12. Synthesis and electronic properties of π-expanded carbazole-based porphyrins.
13. Synthesis of chiral carbazole-based BODIPYs showing circularly polarized luminescence.
14. Chiroptical and catalytic properties of doubly binaphthyl-strapped chiral porphyrins.
15. Calix[4]pyrroles as macrocyclic organocatalysts for the synthesis of cyclic carbonates from epoxides and carbon dioxide.
16. Intense excimer CPL of pyrenes linked to a quaternaphthyl.
17. Synthesis of carbazole-based BODIPY dimers showing red fluorescence in the solid state.
18. Synthetically useful variants of industrial lipases from Burkholderia cepacia and Pseudomonas fluorescens.
19. Carbazole-based BODIPYs with ethynyl substituents at the boron center: solid-state excimer fluorescence in the VIS/NIR region.
20. Determination of enantiomeric excess of carboxylates by fluorescent macrocyclic sensors.
21. Quaternary ammonium hydroxide as a metal-free and halogen-free catalyst for the synthesis of cyclic carbonates from epoxides and carbon dioxide.
22. Recent progress in catalytic conversions of carbon dioxide.
23. Robust porphyrin catalysts immobilized on biogenous iron oxide for the repetitive conversions of epoxides and CO2 into cyclic carbonates.
24. Highly active lipase immobilized on biogenous iron oxide via an organic bridging group: the dramatic effect of the immobilization support on enzymatic function.
25. Synergistic effect of quaternary ammonium hydroxide and crown ether on the rapid and clear dissolution of cellulose at room temperature.
26. Chiral porphyrin dimer with a macrocyclic cavity for intercalation of aromatic guestsThis article is part of a ChemComm ‘Supramolecular Chemistry’ web-based themed issue marking the International Year of Chemistry 2011.Electronic supplementary information (ESI) available: Synthesis, UV–Vis and CD spectra of 1and 5, Job plots, determination of binding constants, copies of 1H and 13C NMR spectra of 1–5and guest compounds, and MM calculations. See DOI: 10.1039/c1cc11572c
27. Rational creation of mutant enzyme showing remarkable enhancement of catalytic activity and enantioselectivity toward poor substratesThis article is part of the ‘Enzymes and Proteins’ web-theme issue for ChemComm.Electronic supplementary information (ESI) available: Site-directed mutagenesis, synthesis of 1, lipase-catalyzed kinetic resolution of 1, determination of kinetic constants, design of mutants, and copies of NMR spectra. See DOI: 10.1039/c001561j
28. Chemical modification of biogenous iron oxide to create an excellent enzyme scaffold.
29. Recognition of chirality and residual groups of amino acid esters using new trifunctional chiral porphyrins with C 2 symmetry.
30. Crystal structure of a remarkably ruffled nonplanar porphyrin (pyridine)[5,10,15,20-tetra(tert-butyl)porphyrinato]zinc(II).
31. Synthesis of silyl formates, formamides, and aldehydes via solvent-free organocatalytic hydrosilylation of CO2.
32. Cu-catalyzed carboxylation of organoboronic acid pinacol esters with CO 2 .
33. C -Methylenation of anilines and indoles with CO 2 and hydrosilane using a pentanuclear zinc complex catalyst.
34. Synthesis of silyl formates, formamides, and aldehydes via solvent-free organocatalytic hydrosilylation of CO 2 .
35. Aluminum porphyrins with quaternary ammonium halides as catalysts for copolymerization of cyclohexene oxide and CO 2 : metal-ligand cooperative catalysis.
36. Redesign of enzyme for improving catalytic activity and enantioselectivity toward poor substrates: manipulation of the transition state.
37. A bifunctional catalyst for carbon dioxide fixation: cooperative double activation of epoxides for the synthesis of cyclic carbonates.
38. Biomimetic trifunctional organocatalyst showing a great acceleration for the transesterification between vinyl ester and alcohol.
39. Highly enantioselective and efficient synthesis of methyl (R)-o-chloromandelate with recombinant E. coli: toward practical and green access to clopidogrel.
40. Rational control of enantioselectivity of lipase by site-directed mutagenesis based on the mechanism.
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