Search Results - "Miyawaki, Kazuhiro"
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1
Cyclodextrin Polymers as Highly Effective Adsorbents for Removal and Recovery of Polychlorobiphenyl (PCB) Contaminants in Insulating Oil
Published in Environmental science & technology (15-07-2014)“…A total of 179 countries (parties) ratified the Stockholm Convention on persistent organic pollutants (POPs) and agreed to destroy polychlorobiphenyls (PCBs)…”
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2
Scope of the Thermal Cyclization of Nonconjugated Ene–Yne–Nitrile System: A Facile Synthesis of Cyanofluorenol Derivatives
Published in Chemistry letters (05-06-2008)“…Thermal cyclizations of nonconjugated ene–diyne–nitrile 1 and ene–triyne–nitrile 2 systems were examined and proved to yield not azafluorenol, but…”
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3
Synthesis of indenothiophenone derivatives by cycloaromatization of non-conjugated thienyl tetraynes
Published in Tetrahedron letters (21-02-2005)“…[Display omitted] Non-conjugated thienyl tetrayne derivatives 1– 3 are prepared as novel building block for the construction of indenothiophenone derivatives…”
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4
Cycloaromatization of a non-conjugated polyenyne system: Synthesis of 5H-benzo[d]fluoreno[3,2-b]pyrans via diradicals generated from 1-[2-{4-(2-alkoxymethylphenyl)butan-1,3-diynyl}]phenylpentan-2,4-diyn-1-ols and trapping evidence for the 1,2-didehydrobenzene diradical
Published in Tetrahedron letters (02-06-1997)Get full text
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5
Effect of Water Molecules on the Cycloaromatization of Non-Conjugated Aromatic Tetraynes
Published in Bulletin of the Chemical Society of Japan (01-06-2006)“…Cycloaromatization of the thienyl tetrayne 1, which was prepared in several steps from bis(trimethylsilyl)butadiyne and 3-bromothiophene-2-carbaldehyde, in…”
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6
Domino thermal radical cycloaromatization of non-conjugated aromatic hexa- and heptaynes: synthesis of fluoranthene and benzo[ a]rubicene skeletons
Published in Tetrahedron letters (26-02-2000)“…Non-conjugated aromatic hexa- and heptaynes underwent domino thermal radical cycloaromatization at 25°C to yield indenol ring-fused fluoranthene and indenol…”
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7
Microscopic Observation of Nanofibers and Helical Nanoribbons Composed of Tetraether Cyclobolaphile
Published in Japanese Journal of Applied Physics (01-07-2004)“…In this paper, we describe the microscopic observation, using transmission electron microscopy and scanning probe microscopy, of self-assembled lipid…”
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8
Multiple cycloaromatization of novel aromatic enediynes bearing a triggering device on the terminal acetylene carbon
Published in Tetrahedron letters (17-09-1998)“…Aromatic enediynes ( 1) bearing a triggering device on the terminal acetylene carbon undergo thermal cyclization at 25 °C to yield polyphenylene ring systems (…”
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9
Synthesis of Indeno[1,2-b]phenanthrene-Type Heterocycles by Cycloaromatization of Acyclic Non-conjugated Benzotetraynes
Published in Heterocycles (01-02-2001)Get full text
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10
Novel Metabolism of Nitrogen in Plants
Published in Zeitschrift für Naturforschung C. A journal of biosciences (01-04-2005)“…Our previous study showed that approximately one-third of the nitrogen of N-labeled NO taken up into plants was converted to a previously unknown organic…”
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11
Adsorption capability of urethane-crosslinked heptakis(2,6-di-O-methyl)-β-cyclodextrin polymers toward polychlorobiphenyls in nonpolar organic media
Published in Polymer journal (01-06-2015)“…Urethane-crosslinked β-cyclodextrin polymers are prepared by crosslinking heptakis(2,6-di- O -methyl)-β-cyclodextrin (DM-β-CD) with various diisocyanate…”
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12
6-O-Modified β-Cyclodextrin Enabling Inclusion Complex Formation in Nonpolar Media
Published in Organic letters (19-11-2009)“…Heptakis(6-O-tert-butyldimethylsilyl)-β-cyclodextrin (TBDMS-β-CD) effectively forms inclusion complexes with chlorinated benzenes in nonpolar solvents such as…”
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13
Adsorption capability of urethane-crosslinked heptakis(2,6-di-O-methyl)-[beta]-cyclodextrin polymers toward polychlorobiphenyls in nonpolar organic media
Published in Polymer journal (01-06-2015)“…Urethane-crosslinked β-cyclodextrin polymers are prepared by crosslinking heptakis(2,6-di-O-methyl)-β-cyclodextrin (DM-β-CD) with various diisocyanate linkers,…”
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14
Complete Removal of Chlorinated Aromatic Compounds from Oils by Channel-Type γ-Cyclodextrin Assembly
Published in Analytical chemistry (Washington) (01-01-2008)“…This paper describes the complete removal of chlorinated aromatic compounds from insulating oil by a channel-type γ-cyclodextrin (γ-CD) assembly as a new…”
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15
Scope of the Thermal Cyclization of Nonconjugated Ene-Yne-Nitrile System
Published in Chemistry letters (01-06-2008)“…Thermal cyclizations of nonconjugated ene-diyne-nitrile 1 and ene-triyne-nitrile 2 systems were examined and proved to yield not azafluorenol, but…”
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16
Complete Removal of Chlorinated Aromatic Compounds from Oils by Channel-Type ¿-Cyclodextrin Assembly
Published in Analytical chemistry (Washington) (01-01-2008)“…This paper describes the complete removal of chlorinated aromatic compounds from insulating oil by a channel-type V-cyclodextrin (...-CD) assembly as a new…”
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17
Attempted reduction of 1,2,3-thiadiazole-4-carboxylates with samarium/iodine in methanol. Unexpected ring enlargement to 1,2,5-trithiepan-4,6-dicarboxylates
Published in Organic & biomolecular chemistry (07-10-2004)“…When stirred with powdered samarium and iodine in methanol at ice-cold temperature, ethyl 1,2,3-thiadiazole-4-carboxylate 5 underwent unusual reduction…”
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18
Self-assembling Lipid Microtubules Based on Cyclobolaphile That Mimics Archaeal Membrane Lipid
Published in Chemistry letters (01-12-2003)“…This paper describes the first preparation of lipid microtubules that are composed of macrocyclic lipids. The lipid contains diacetylenic alkyl chains in a…”
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19
Synthesis and Properties of Functionalized [6] Helicenes by the Thermal Domino Radical Cycloaromatization of Acyclic Polyynes
Published in Polycyclic aromatic compounds (01-12-2001)“…Non-conjugated aromatic hexaynes and heptaynes undergo thermal domino radical cycloaromatization under mild conditions to yield indenol ring-fused fluoranthene…”
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20
Cycloaromatization of a non-conjugated polyenyne system: Synthesis of 5 H-benzo[ d]fluoreno[3,2- b]pyrans via diradicals generated from 1-[2-{4-(2-alkoxymethylphenyl)butan-1,3-diynyl}]phenylpentan-2,4-diyn-1-ols and trapping evidence for the 1,2-didehydrobenzene diradical
Published in Tetrahedron letters (1997)“…Non-conjugated tetraynes 1 undergo thermal intramolecular cyclization to non-benzenoid diradicals ( 23) followed by radical cycloaromatization at 25 °C to…”
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