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Akina Yoshizawa, Manabu Higashi, Akihiko Anzai, Miho Yamauchi, Membrane electrode assembly type cell designed for selective CO production from bicarbonate electrolyte and air containing CO2 mixed gas, Energy Advances, 10.1039/d4ya00038b, 3, 778-783, 2024.03, Electrochemical CO2 reduction reaction (CO2RR) combined with direct air capture (DAC) based CO2 is a promising method for carbon cycling on the earth. In this study, we have designed an.... |
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Daisuke Hirose, Samuel Budi Wardhana Kusuma, Akina Yoshizawa, Naoki Wada, Kenji Takahashi, Dehydrogenative silylation of cellulose in ionic liquid, Green Chemistry, 10.1039/D3GC02894A, 25, 7062-7067, 2023.08, A new homogenous silylation method of cellulose is developed by mixing it with monohydrosilane in an ionic liquid.. |
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Akina Yoshizawa, Chie Maruyama, Samuel Budi Wardhana Kusuma, Naoki Wada, Kosuke Kuroda, Daisuke Hirose, Kenji Takahashi, Aryloxy Ionic Liquid-Catalyzed Homogenous Esterification of Cellulose with Low-Reactive Acyl Donors, Polymers, 10.3390/polym15020419, 15, 419, 2023.01. |
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Akina Yoshizawa, Antonio Feula, Louise Male, Andrew G. Leach, John S. Fossey, Rigid and concave, 2,4-cis-substituted azetidine derivatives: A platform for asymmetric catalysis, Scientific Reports, 10.1038/s41598-018-24784-3, 8, 1, 2018.12. |
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Akina Yoshizawa, Antonio Feula, Andrew G. Leach, Louise Male, John S. Fossey, Palladium and Platinum 2,4-cis-amino Azetidine and Related Complexes, Frontiers in Chemistry, 10.3389/fchem.2018.00211, 6, 2018.06. |
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Abdessamad Arbaoui, Carl Redshaw, Mark R. J. Elsegood, Victoria E. Wright, Akina Yoshizawa, Takehiko Yamato, Iron(III) and Zinc(II) calixarene complexes: Synthesis, structural studies, and use as procatalysts for ε-caprolactone polymerization, Chemistry - An Asian Journal, 10.1002/asia.200900514, 5, 3, 621-633, 2010.03, Treatment of the heterobimetallic iron(II) alkoxides [(THF)MFe(OtBu) 3]2 with p-tert-butylcalix[4]areneH4 (L 1H4) affords the oxo-bridged diiron(III) complexes {Fe[M(NCMe)x]2L1}2(μ-O), M=Na, x=2 1·8(CH3CN), M=K, x=3 2·3.5(CH3CN)
similar use of p-tert-butylcalix[6]areneH6 (L2H 6) afforded [{Fe2(μ-O)Na2(OH 2)(NCMe)2L2}2][{Fe 2(μ-O)Na(OH2)(NCMe)6L2} 2]2-[Na(NCMe)5]22+ 3·9.46(CH3CN) and [{Fe2(μ-O)L 2(K(NCMe)2)2}2] 4·10.8(MeCN), respectively. In the case of 4, a minor product {(L2 2Fe8O8)[K(NCMe)1.5K(H 2O)(NCMe)2.5]2} 5·6(CH3CN), which is comprised of chains of (L22Fe8O 8) clusters bridged by K/MeCN fragments, is also isolated. Use of p-tert-butylcalix[8]areneH8 (L3H8) and two equivalents of [(THF)KFe(OtBu)3]2 affords [(K 2(μ-NCCH3)4(μ-OH2)) 2(Fe2(μ-O)L3H2) 2(CH3CN)2] 6·9(CH3CN). In the case of p-tert-butyltetrahomodioxacalix[6]areneH6 (L 4H6), reaction with [(THF)MFe(OtBu)3] 2 (two equivalents) leads to isolation of the pseudoisomorphic complexes [M2(CH3CN)4L4Fe 2(μ-O)].4CH3CN M=Na 7·4(CH3CN), M=K 8·2(CH3CN)
similar use of p-tert-butylhexahomotrioxacalix[3] areneH3 (L5H3) led to [Na2Fe 2(μ-OH)2(L5)2(CH 3CN)4] 9·2(CH2Cl2). The complex [L4(ZnEt)4Zn2(CH3CN) 4(μ-OEt)2], 10·2(CH3CN), isolated from the reaction of L4H6 and ZnEt2 is also reported. Complexes 1-10 are structurally characterized (partially in the case of 4) and screened (not 5) as catalysts for the ring opening polymerization of ε-caprolactone. © 2010 Wiley-VCH Verlag GmbH&
Co. KGaA.. |
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Takehiko Yamato, Carol Pérez-Casas, Akina Yoshizawa, Shofuir Rahman, Mark R. J. Elsegood, Carl Redshaw, Hydrogen bonding receptors of tetraamide derivatives derived from thiacalix[4]arene in cone- and 1,3-alternate conformation, Journal of Inclusion Phenomena and Macrocyclic Chemistry, 10.1007/s10847-008-9523-4, 63, 3-4, 301-308, 2009.04, Novel ditopic receptors of tetraamide derivatives possessing four 2-pyridyl groups derived from thiacalix[4]arene in cone- and 1,3-alternate conformation were prepared. The structure of one of the tetraamide derivatives was confirmed by a single crystal X-ray analysis. The tetrathiacalix[4]arene tetraamides show strong intramolecular hydrogen bonding. The binding behaviour towards Ag + and halides has been investigated by 1H NMR titration experiments. © 2008 Springer Science+Business Media B.V.. |
