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1. Full Text Synthesis of Extended π‐Systems through C–H Activation
by Segawa, Yasutomo and Maekawa, Takehisa and Itami, Kenichiro
Angewandte Chemie International Edition, ISSN 1433-7851, 01/2015, Volume 54, Issue 1, pp. 66 - 81
Activation of aromatic CH bonds by a transition metal catalyst has received significant attention in the synthetic chemistry community. In recent years, rapid... 
extended π‐systems | organic materials | C–H activation | borylation | arylation | Arylation | Extended π -systems | C-H activation | Organic materials | Borylation
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2. Full Text Synthesis of Extended p-Systems through C-H Activation
by Segawa, Y and Maekawa, T and Itami, K
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, ISSN 1433-7851, 01/2015, Volume 54, Issue 1, pp. 66 - 81
Activation of aromatic CH bonds by a transition metal catalyst has received significant attention in the synthetic chemistry community. In recent years, rapid... 
POLYCYCLIC AROMATIC-HYDROCARBONS | borylation | extended pi-systems | METALATION-DEPROTONATION MECHANISM | PALLADIUM-CATALYZED DIRECT | DIRECT C-2 ARYLATION | HETEROAROMATIC-COMPOUNDS | ORGANIC SEMICONDUCTORS | CHEMISTRY, MULTIDISCIPLINARY | ARYLBORONIC ACIDS | arylation | ARYL BROMIDES | CROSS-COUPLING REACTIONS | C-H activation | BOND ARYLATION | organic materials
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3. Full Text Para -C-H borylation of benzene derivatives by a bulky iridium catalyst
by Saito, Yutaro and Segawa, Yasutomo and Itami, Kenichiro
Journal of the American Chemical Society, ISSN 0002-7863, 04/2015, Volume 137, Issue 15, pp. 5193 - 5198
A highly para-selective aromatic C-H borylation has been accomplished. By a new iridium catalyst bearing a bulky diphosphine ligand, Xyl-MeO-BIPHEP, the C-H... 
ACTIVATION | DIRECT ARYLATION | HETEROCYCLES | BUILDING-BLOCKS | ARENES | CONSTRUCTION | BOND FUNCTIONALIZATION | INTERMEDIATE | SELECTIVITY | CHEMISTRY, MULTIDISCIPLINARY | SILYLATION | Boron Compounds - chemistry | Boron Compounds - chemical synthesis | Ligands | Organometallic Compounds - chemistry | Molecular Structure | Catalysis | Benzene Derivatives - chemistry | Iridium - chemistry | Chemical bonds | Chemical reactions | Research | Iridium | Chemical properties | Index Medicus
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4. Full Text Palladium-catalyzed C-H activation taken to the limit. Flattening an aromatic bowl by total arylation
by Zhang, Qianyan and Kawasumi, Katsuaki and Segawa, Yasutomo and Itami, Kenichiro and Scott, Lawrence T
Journal of the American Chemical Society, ISSN 0002-7863, 09/2012, Volume 134, Issue 38, pp. 15664 - 15667
All 10 C-H positions on the rim of corannulene can be arylated by repetitive palladium-catalyzed C-H activation. To relieve congestion among the 10 tightly... 
CORANNULENE | HYDROCARBONS | OCTAPHENYLNAPHTHALENE | MOLECULAR-STRUCTURE | ARENES | SURFACE | INVERSION | DERIVATIVES | CHEMISTRY, MULTIDISCIPLINARY | DECAPHENYLANTHRACENE | (HETERO)ARENES | Palladium catalysts | Arylation | Chemical properties | Catalysis | Aromatic compounds | Analysis
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5. Full Text Flexible reaction pocket on bulky diphosphine−Ir complex controls regioselectivity in para-Selective c−H borylation of arenes
by Haines, Brandon E and Saito, Yutaro and Segawa, Yasutomo and Itami, Kenichiro and Musaev, Djamaladdin G
ACS Catalysis, ISSN 2155-5435, 2016, Volume 6, Issue 11, pp. 7536 - 7546
We used DFT calculations to elucidate the mechanism and source of regioselectivity for Ir-catalyzed para-selective C-H borylation with the bulky Xyl-MeO-BIPHEP... 
C−H borylation | Ligand design | Para-selectivity | Flexible reaction pocket | Bulky diphosphine ligand | DFT calculations | Mechanism | IRIDIUM-CATALYZED BORYLATION | C-H borylation | para-selectivity | BUILDING-BLOCKS | ARYLATION | CHEMISTRY, PHYSICAL | bulky diphosphine ligand | flexible reaction pocket | HYDROGEN BOND ACTIVATION | SILYLATION | FUNCTIONALIZATION | HETEROARENES | ligand design | mechanism | STRAIN MODEL | INSIGHTS
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6. Full Text C-H activation route to dibenzo[a,e]pentalenes: Annulation of arylacetylenes promoted by PdCl2-AgOTf-o-chloranil
by Maekawa, Takehisa and Segawa, Yasutomo and Itami, Kenichiro
Chemical Science, ISSN 2041-6520, 06/2013, Volume 4, Issue 6, pp. 2369 - 2373
A novel catalytic C-H activation route to privileged dibenzo[a,e]pentalene (DBP) structures has been established. In the presence of PdCl2, AgOTf, and... 
PENTALENE DERIVATIVES | DIBENZOPENTALENES | DIRECT ARYLATION | POLYCYCLIC AROMATIC-HYDROCARBONS | SYSTEMS | SILYL | BOND-CLEAVAGE | CHEMISTRY, MULTIDISCIPLINARY
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7. Full Text Isolation of a PBP-pincer rhodium complex stabilized by an intermolecular C-H σ coordination as the fourth ligand
by Hasegawa, Maki and Segawa, Yasutomo and Yamashita, Makoto and Nozaki, Kyoko
Angewandte Chemie - International Edition, ISSN 1433-7851, 07/2012, Volume 51, Issue 28, pp. 6956 - 6960
A little help from my friends: a highly reactive, 16-electron square-planar rhodium complex was isolated. This species displays an intermolecular interaction... 
pincer ligand | low-coordinate complex | O-H activation | boron | rhodium
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8. Full Text Pyridylidene ligand facilitates gold-catalyzed oxidative C-H arylation of heterocycles
by Hata, Kazuhiro and Ito, Hideto and Segawa, Yasutomo and Itami, Kenichiro
Beilstein Journal of Organic Chemistry, ISSN 1860-5397, 12/2015, Volume 11, Issue 1, pp. 2737 - 2746
Triaryl-2-pyridylidene effectively facilitates the gold-catalyzed oxidative C-H arylation of heteroarenes with arylsilanes as a unique electron-donating ligand... 
C-H arylation | Gold catalysis | Carbene ligand | PARENT HYDRAZINE | CHEMISTRY, ORGANIC | TERMINAL ALKYNES | carbene ligand | gold catalysis | DIRECT ALKYNYLATION | ARYLBORONIC ACIDS | ALKENES | COUPLING REACTIONS | CYCLIZATION REACTIONS | MECHANISTIC INSIGHTS | CARBENES | NONACTIVATED ARENES | C–H arylation
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9. Full Text Synthesis of open-shell ladder pi-systems by catalytic C-H annulation of diarylacetylenes
by Maekawa, T and Ueno, H and Segawa, Y and Haley, MM and Itami, K
CHEMICAL SCIENCE, ISSN 2041-6520, 2016, Volume 7, Issue 1, pp. 650 - 654
A new open-shell ladder-shaped pi-system has been synthesized. Pentaleno[1,2-b:4,5-b']difluorene derivatives, 8 fused ring systems bearing 5- and 6-membered... 
BIRADICAL CHARACTER | ACTIVATION | GROUND-STATE | NANOGRAPHENE | POLYCYCLIC AROMATIC-HYDROCARBONS | ARYLATION | CLOSED-SHELL | CHEMISTRY, MULTIDISCIPLINARY | MOLECULES | Organic chemistry | Chemical reactions | Voltammetry | Palladium | Conjugation | Derivatives | Electrode potentials | Ladders
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10. Full Text Pd(OAc) 2/o-chloranil/M(OTf) n: A catalyst for the direct C-H arylation of polycyclic aromatic hydrocarbons with boryl-, silyl-, and unfunctionalized arenes
by Kawasumi, Katsuaki and Mochida, Kenji and Kajino, Tomonori and Segawa, Yasutomo and Itami, Kenichiro
Organic Letters, ISSN 1523-7060, 01/2012, Volume 14, Issue 1, pp. 418 - 421
Pd(OAc)(2)/o-chloranil/M(OTf)(n) can effectively promote the C-H arylation of fluoranthene with arylboron compounds or arylsilanes. The reaction takes place... 
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11. Full Text Synthesis of open-shell ladder π-systems by catalytic C-H annulation of diarylacetylenes
by Maekawa, Takehisa and Ueno, Hiroshi and Segawa, Yasutomo and Haley, Michael M and Itami, Kenichiro
Chemical Science, ISSN 2041-6520, 2015, Volume 7, Issue 1, pp. 650 - 654
A new open-shell ladder-shaped π-system has been synthesized. Pentaleno[1,2- :4,5- ']difluorene derivatives, 8 fused ring systems bearing 5- and 6-membered... 
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12. Full Text Thermal Degradation Analysis of Sealed Perovskite Solar Cell with Porous Carbon Electrode at 100 °C for 7000 h
by Baranwal, Ajay K and Kanda, Hiroyuki and Shibayama, Naoyuki and Masutani, Hideaki and Peiris, T. A. Nirmal and Kanaya, Shusaku and Segawa, Hiroshi and Miyasaka, Tsutomu and Ito, Seigo
Energy Technology, ISSN 2194-4288, 02/2019, Volume 7, Issue 2, pp. 245 - 252
Organic‐inorganic CH 3 NH 3 PbI 3 ‐based perovskite solar cells have received significant research interest; however, thermal stability issue still remains.... 
Thermal Stability | Encapsulation | Ion Migration | Carbon | Perovskite Solar Cell | Solar cells | Infrared spectroscopy | Spectroscopy | Fourier transforms | Fourier transformation | Deactivation | Perovskites | Thermal stability | Degradation | Adhesive strength | Photovoltaic cells | Spectrum analysis | Thermal stresses | Thermal degradation | Energy conversion efficiency
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13. Full Text Isolation of a PBP-Pincer Rhodium Complex Stabilized by an Intermolecular C?H s Coordination as the Fourth Ligand
by Hasegawa, M and Segawa, Y and Yamashita, M and Nozaki, K
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, ISSN 1433-7851, 2012, Volume 51, Issue 28, pp. 6956 - 6960
low-coordinate complex | CATALYTIC DEHYDROGENATION | AGOSTIC INTERACTIONS | AMIDO HYDRIDE COMPLEX | OXIDATIVE ADDITION | REDUCTIVE ELIMINATION | CHEMISTRY, MULTIDISCIPLINARY | H BOND ACTIVATION | DIHYDROGEN ATMOSPHERE | IRIDIUM COMPLEXES | O?H activation | pincer ligand | TRANSFER-DEHYDROGENATION | boron | PHOSPHINE COMPLEXES | rhodium
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14. Full Text Cl- complexation induced H- and J-aggregation of meso -tetrakis(4-sulfonatothienyl)porphyrin diacid in aqueous solution
by Arai, Yonbon and Segawa, Hiroshi
Journal of Physical Chemistry B, ISSN 1520-6106, 06/2011, Volume 115, Issue 24, pp. 7773 - 7780
Various porphyrin diacids are known to show controlled self-assembly by inorganic anions. Following the unexpected finding that... 
RAMAN-SCATTERING | EXCITON | RESONANCE LIGHT-SCATTERING | FLUORESCENCE | SUPRAMOLECULAR ASSEMBLIES | INTERNAL STRUCTURE | ORGANIC-SOLVENTS | PORPHYRIN NANOTUBES | CHEMISTRY, PHYSICAL | INTERCONVERSION | 5,10,15,20-TETRAKIS(4-SULFONATOPHENYL)PORPHYRIN
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15. Full Text Synthesis of Extended [pi]-Systems through C-H Activation
by Yasutomo Segawa and Takehisa Maekawa and Kenichiro Itami
Angewandte Chemie, ISSN 1433-7851, 01/2015, Volume 54, Issue 1, p. 66
  Activation of aromatic CH bonds by a transition metal catalyst has received significant attention in the synthetic chemistry community. In recent years,... 
Chemical bonds
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16. Full Text Synthesis of Extended pi -Systems through C-H Activation
by Segawa, Yasutomo and Maekawa, Takehisa and Itami, Kenichiro
Angewandte Chemie (International Edition), ISSN 1433-7851, 01/2015, Volume 54, Issue 1, pp. 66 - 81
Activation of aromatic C--H bonds by a transition metal catalyst has received significant attention in the synthetic chemistry community. In recent years,... 
Sky | Transition metals | Optoelectronics | Synthesis | Catalysts | Organic materials | Methodology | Communities | Activation
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17. Full Text Pd(OAc)(2)/o-Chloranil/M(OTf)(n): A Catalyst for the Direct C-H Arylation of Polycyclic Aromatic Hydrocarbons with Boryl-, Silyl-, and Unfunctionalized Arenes
by Kawasumi, K and Mochida, K and Kajino, T and Segawa, Y and Itami, K
ORGANIC LETTERS, ISSN 1523-7060, 01/2012, Volume 14, Issue 1, pp. 418 - 421
Pd(OAc)(2)/o-chloranii/M(OTf)(n) can effectively promote the C-H arylation of fluoranthene with arylboron compounds or arylsilanes. The reaction takes place... 
FUNCTIONALIZATION | CROSS-COUPLING REACTIONS | HETEROARENES | REAGENTS | PYRENE DERIVATIVES | BOND ARYLATION | CHEMISTRY, ORGANIC | ARYL IODIDES | PALLADIUM CATALYSIS | UNACTIVATED ARENES | ARYLBORONIC ACIDS
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18. Full Text Effect of light on oxygen consumption and ammonia excretion in Haliotis discus discus, H. gigantea, H. madaka and their hybrids
by Ahmed, Faruq and Segawa, Susumu and Yokota, Masashi and Watanabe, Seiichi
Aquaculture, ISSN 0044-8486, 2008, Volume 279, Issue 1, pp. 160 - 165
Oxygen consumption and ammonia excretion rates of three abalone species, , , and their hybrids were measured at 20 °C by incubating for 3 h under dark and... 
Oxygen consumption | Ammonia excretion | Abalone | Hybridization | NITROGEN-EXCRETION | DIVERSICOLOR-SUPERTEXTA LISCHKE | AMBIENT AMMONIA | MARINE ZOOPLANKTON | hybridization | JUVENILE GREENLIP ABALONE | FISHERIES | TROUT SALMO-GAIRDNERI | LAEVIGATA DONOVAN | oxygen consumption | NEW-ZEALAND ABALONE | MARINE & FRESHWATER BIOLOGY | abalone | STARVED CONDITION | ammonia excretion | METABOLIC STRESS | Ammonia | Analysis | Oxygen | Mollusks | Metabolism | Fluorescence in situ hybridization | Aquaculture
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19. Full Text Thermal Degradation Analysis of Sealed Perovskite Solar Cell with Porous Carbon Electrode at 100 degrees C for 7000 h
by Baranwal, AK and Kanda, H and Shibayama, N and Masutani, H and Peiris, TAN and Kanaya, S and Segawa, H and Miyasaka, T and Ito, S
ENERGY TECHNOLOGY, ISSN 2194-4288, 02/2019, Volume 7, Issue 2, pp. 245 - 252
Organic-inorganic CH3NH3PbI3-based perovskite solar cells have received significant research interest; however, thermal stability issue still remains.... 
Thermal Stability | Encapsulation | MIGRATION | GRAPHENE OXIDE | ENERGY & FUELS | Perovskite Solar Cell | STABILITY | PERFORMANCE | Ion Migration | LAYER | Carbon | CATIONS
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20. Full Text Cl–Complexation Induced H- and J-Aggregation ofmeso-Tetrakis(4-sulfonatothienyl)porphyrin Diacid in Aqueous Solution
by Arai, Yonbon and Segawa, Hiroshi
The Journal of Physical Chemistry B, ISSN 1520-6106, 06/2011, Volume 115, Issue 24, pp. 7773 - 7780
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