Search Results - "Ichino, Tomoya"
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Implementation and performance of the artificial force induced reaction method in the GRRM17 program
Published in Journal of computational chemistry (05-02-2018)“…This article reports implementation and performance of the artificial force induced reaction (AFIR) method in the upcoming 2017 version of GRRM program…”
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Mechanism of 2,6-Dichloro-4,4′-bipyridine-Catalyzed Diboration of Pyrazines Involving a Bipyridine-Stabilized Boryl Radical
Published in Bulletin of the Chemical Society of Japan (01-07-2021)“…The mechanism of 4,4′-bipyridine-catalyzed diboration of pyrazines was studied by experimental observation of the intermediates and by theoretical…”
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Theoretical study on mechanism of dioxygen evolution in photosystem II. II. Molecular and electronic structures at the S3 and S4 states of oxygen-evolving complex
Published in Chemical physics letters (18-03-2014)“…•Oxidation proceeds through the [Mn4O] structure at the S3 state.•Oxidation proceeds through the [Mn4OOH] structure at the S4 state.•[Mn4(OH)2] structure is…”
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Zn(OTf) 2 -mediated annulations of N -propargylated tetrahydrocarbolines: divergent synthesis of four distinct alkaloidal scaffolds
Published in Chemical science (Cambridge) (14-06-2019)“…Intramolecular hydroarylations of -propargylated tetrahydrocarbolines were efficiently mediated using a unique combination of Zn(OTf) with -BuOH under neutral…”
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5
Theoretical Study on the Mechanism of Dioxygen Evolution in Photosystem II. I. Molecular and Electronic Structures at the S0, S1, and S2 States of Oxygen-Evolving Complex
Published in Bulletin of the Chemical Society of Japan (15-04-2013)“…Based on the structure at 1.9 Å resolved OEC (PDBid=3ARC), geometries and electronic structures of the S0, S1, and S2 states in the Kok cycle have been…”
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6
Which oxidation state is preferable at S0 state in oxygen-evolving complex, Mn4(II, III, IV, IV) or Mn4(III, III, III, IV)? A B3LYP study
Published in Chemical physics letters (01-08-2012)“…CaMn4O5 core and H-bonds of water molecules in OEC. [Display omitted] ► The electronic structures of the CaMn4O5 core are theoretically examined. ► Two…”
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A B3LYP Study on Repair of Guanyl and 8-Oxoguanyl Radical by Simultaneous Proton- and Electron-Transfer Reaction
Published in Bulletin of the Chemical Society of Japan (15-02-2011)“…The proton transfers in base pairs of guanine (G)/8-oxoguanine (8G), 8G+•–C, PhOH–G(-H)•, PhOH–8G(-H)•, and 8G–G(-H)•, have been theoretically examined in the…”
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Effectiveness of Optimizing Geometry for CaMn4O5 Cluster at 1.9 Å Resolved OEC and Proposal for Oxidation Mechanism from S0 to S3 States
Published in Chemistry letters (05-01-2012)“…Based on the structure at 1.9 Å resolved OEC, which was published as PDBid=3ARC this year, the electronic structures of the CaMn4O5 cluster at S0, S1, and S2…”
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9
Cyclo[4]pyrrole with α – β direct linkages
Published in Chemical science (Cambridge) (05-11-2024)“…A cyclo[4]pyrrole bearing pyrrole C( α )–C( β ) direct linkages, a contracted porphyrin analogue with no meso -carbon bridge, was synthesized from an…”
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A Systematic Study on Bond Activation Energies of NO, N 2 , and O 2 on Hexamers of Eight Transition Metals
Published in ChemCatChem (20-02-2019)“…Abstract Catalytic bond activation pathways of diatomic molecules on small metal clusters have been studied by density functional theory calculations. The…”
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Targeted 1,3-dipolar cycloaddition with acrolein for cancer prodrug activation
Published in Chemical science (Cambridge) (21-04-2021)“…Cytotoxic anticancer drugs used in chemotherapy are often antiproliferative agents that preferentially kill rapidly growing cancer cells. Their mechanism…”
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A Systematic Study on Bond Activation Energies of NO, N2, and O2 on Hexamers of Eight Transition Metals
Published in ChemCatChem (20-02-2019)“…Catalytic bond activation pathways of diatomic molecules on small metal clusters have been studied by density functional theory calculations. The focus of this…”
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Zn(OTf)2-mediated annulations of N-propargylated tetrahydrocarbolines: divergent synthesis of four distinct alkaloidal scaffolds† †Electronic supplementary information (ESI) available. CCDC 1905889, 1905890 and 1905916. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c9sc01507h
Published in Chemical science (Cambridge) (01-05-2019)“…Experimental and computational studies gained insights into Zn(OTf) 2 -mediated annulations and allowed programmable synthesis of four distinct alkaloidal…”
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Zn(OTf)-mediated annulations of -propargylated tetrahydrocarbolines: divergent synthesis of four distinct alkaloidal scaffolds
Published in Chemical science (Cambridge) (05-06-2019)“…Intramolecular hydroarylations of N -propargylated tetrahydrocarbolines were efficiently mediated using a unique combination of Zn(OTf) 2 with t -BuOH under…”
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