Papers - EMA Tadashi
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Synergistic effect of quaternary ammonium hydroxide and crown ether on the rapid and clear dissolution of cellulose at room temperature
Tadashi Ema, Takuzo Komiyama, Satomi Sunami, Takashi Sakai
RSC Advances 4 ( 5 ) 2523 - 2525 2014
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Robust porphyrin catalysts immobilized on biogenous iron oxide for the repetitive conversions of epoxides and CO<inf>2</inf> into cyclic carbonates
Tadashi Ema, Yuki Miyazaki, Tomoya Taniguchi, Jun Takada
Green Chemistry 15 ( 9 ) 2485 - 2492 2013.9
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Multifunctional macrocyclic receptors as templates for aromatic amino acids: A rare example of a highly selective multi-input multi-output chemo-"Logic Gate"
Caterina Fraschetti, Antonello Filippi, Maria Elisa Crestoni, Tadashi Ema, Maurizio Speranza
ChemPlusChem 78 ( 9 ) 979 - 987 2013.9
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Unexpected behavior of diastereomeric ions in the GasPhase: A stimulus for pondering on ee measurements by ESI-MS
Caterina Fraschetti, Antonello Filippi, Maria Elisa Crestoni, Tadashi Ema, Maurizio Speranza
Journal of the American Society for Mass Spectrometry 24 ( 4 ) 573 - 578 2013.4
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Synthetic macrocyclic receptors in chiral analysis and separation
Tadashi Ema
Journal of Inclusion Phenomena and Macrocyclic Chemistry 74 ( 1-4 ) 41 - 55 2012.12
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Construction of contiguous tetrasubstituted carbon stereocenters by intramolecular crossed benzoin reactions catalyzed by N-heterocyclic carbene (NHC) organocatalyst
Tadashi Ema, Kumiko Akihara, Ryoko Obayashi, Takashi Sakai
Advanced Synthesis and Catalysis 354 ( 17 ) 3283 - 3290 2012.11
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Redesign of enzyme for improving catalytic activity and enantioselectivity toward poor substrates: Manipulation of the transition state
Tadashi Ema, Yasuko Nakano, Daiki Yoshida, Shusuke Kamata, Takashi Sakai
Organic and Biomolecular Chemistry 10 ( 31 ) 6299 - 6308 2012.8
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A bifunctional catalyst for carbon dioxide fixation: Cooperative double activation of epoxides for the synthesis of cyclic carbonates
Tadashi Ema, Yuki Miyazaki, Shohei Koyama, Yuya Yano, Takashi Sakai
Chemical Communications 48 ( 37 ) 4489 - 4491 2012.4
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Biogenous iron oxide-immobilized palladium catalyst for the solvent-free Suzuki-Miyaura coupling reaction
Kyoko Mandai, Toshinobu Korenaga, Tadashi Ema, Takashi Sakai, Mitsuaki Furutani, Hideki Hashimoto, Jun Takada
Tetrahedron Letters 53 ( 3 ) 329 - 332 2012.1
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Molecular recognition of chiral diporphyrin receptor with a macrocyclic cavity for intercalation of aromatic compounds
Tadashi Ema, Norichika Ura, Katsuya Eguchi, Takashi Sakai
Bulletin of the Chemical Society of Japan 85 ( 1 ) 101 - 109 2012
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Chiral porphyrin dimer with a macrocyclic cavity for intercalation of aromatic guests
Tadashi Ema, Norichika Ura, Katsuya Eguchi, Yuhei Ise, Takashi Sakai
Chemical Communications 47 ( 21 ) 6090 - 6092 2011.5
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Highly active lipase immobilized on biogenous iron oxide via an organic bridging group: The dramatic effect of the immobilization support on enzymatic function
Tadashi Ema, Yuki Miyazaki, Izumi Kozuki, Takashi Sakai, Hideki Hashimoto, Jun Takada
Green Chemistry 13 ( 11 ) 3187 - 3195 2011.1
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Bifunctional organocatalyst for activation of carbon dioxide and epoxide to produce cyclic carbonate: Betaine as a new catalytic motif
Yoshihiro Tsutsumi, Kyohei Yamakawa, Masahiko Yoshida, Tadashi Ema, Takashi Sakai
Organic Letters 12 ( 24 ) 5728 - 5731 2010.12
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Chemoenzymatic synthesis of optically active alcohol and β-amino-acid derivative containing the difluoromethylene group
Tadashi Ema, Taro Kadoya, Kumiko Akihara, Takashi Sakai
Journal of Molecular Catalysis B: Enzymatic 66 ( 1-2 ) 198 - 202 2010.9
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Rational creation of mutant enzyme showing remarkable enhancement of catalytic activity and enantioselectivity toward poor substrates
Tadashi Ema, Shusuke Kamata, Masahiro Takeda, Yasuko Nakano, Takashi Sakai
Chemical Communications 46 ( 30 ) 5440 - 5442 2010.8
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Synthesis and evaluation of chiral selectors with multiple hydrogen-bonding sites in the macrocyclic cavities
Tadashi Ema, Kazuki Hamada, Kyoko Sugita, Yohei Nagata, Takashi Sakai, Atsushi Ohnishi
Journal of Organic Chemistry 75 ( 13 ) 4492 - 4500 2010.7
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Chemical modification of biogenous iron oxide to create an excellent enzyme scaffold
Takashi Sakai, Yuki Miyazaki, Ai Murakami, Noriko Sakamoto, Tadashi Ema, Hideki Hashimoto, Mitsuaki Furutani, Makoto Nakanishi, Tatsuo Fujii, Jun Takada
Organic and Biomolecular Chemistry 8 ( 2 ) 336 - 338 2010
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Empirical method for predicting enantioselectivity in catalytic reactions: demonstration with lipase and oxazaborolidine
Tadashi Ema, Norichika Ura, Masataka Yoshii, Toshinobu Korenaga, Takashi Sakai
Tetrahedron 65 ( 46 ) 9583 - 9591 2009.11
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Stereoselective synthesis of bicyclic tertiary alcohols with quaternary stereocenters via intramolecular crossed benzoin reactions catalyzed by n-heterocyclic carbenes
Tadashi Ema, Yoshitaka Oue, Kumiko Akihara, Yuki Miyazaki, Takashi Sakai
Organic Letters 11 ( 21 ) 4866 - 4869 2009.11
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Tuning the chiral cavity of macrocyclic receptor for chiral recognition and discrimination
Tadashi Ema, Daisuke Tanida, Kazuki Hamada, Takashi Sakai
Journal of Organic Chemistry 73 ( 22 ) 9129 - 9132 2008.11