˜_•¶^”ª“‡ ‰hŽŸ

in English

selected paper

142. Nonracemic Dopant-Mediated Hierarchical Amplification of Macromolecular Helicity in a Charged Polyacetylene Leading to a Cholesteric Liquid Crystal in Watere
K. Maeda, Y. Takeyama, K. Sakajiri, and E. Yashima
J. Am. Chem. Soc., 126, 16284-16285 (2004) DOI: 10.1021/ja044264n
140. Macromolecular Helicity Induction in a Cationic Polyacetylene Assisted by an Anionic Polyisocyanide with Helicity Memory in Water: Replication of Macromolecular Helicity
K. Maeda, M. Ishikawa, and E. Yashima
J. Am. Chem. Soc., 126, 15161-15166 (2004) DOI: 10.1021/ja0469636
139. Macromolecular Helicity Induction on a Poly(phenylacetylene) with C2-Symmetric Chiral Bis-Substituted [60]Fullerenes, Selected as "Heart Cut" paper by ACS
T. Nishimura, K. Tsuchiya, S. Ohsawa, K. Maeda, E. Yashima, Y. Nakamura, and J. Nishimura
J. Am. Chem. Soc., 126, 11711-11717 (2004) DOI: 10.1021/ja046633l
137. Chiral Amplification in Macromolecular Helicity Assisted by Noncovalent Interaction with Achiral Amines and Memory of the Helical Chirality
K. Morino, N. Watase, K. Maeda, and E. Yashima
Chem. Eur. J., 10l, 4703-4707 (2004) DOI: 10.1002/chem.200400381
136. Poly(phenylacetylene)s Bearing a Peptide Pendant: Helical Conformational Changes of the Polymer Backbone Stimulated by the Pendant Conformational Change
K. Maeda, N. Kamiya, and E. Yashima
Chem. Eur. J., 10, 4000-4010 (2004) DOI: 10.1002/chem.200400315
130. the Mechanism of Helix Induction on a Stereoregular Poly((4-carboxyphenyl)acetylene) with Chiral Amines and Memory of the Macromolecular Helicity Assisted by Interaction with Achiral Amines
K. Maeda, K. Morino, Y. Okamoto, T. Sato, and E. Yashima
J. Am. Chem. Soc., 126, 4329-4342 (2004) DOI: 10.1021/ja0318378
128. Supramolecular Chirality of Thermotropic Liquid-Crystalline Folic Acids
T. Kato, T. Matsuoka, M. Nishii, Y. Kamikawa, K. Kanie, T. Nishimura, and E. Yashima
Angew. Chem., Ind. Ed., 43, 1969-1972 (2004) DOI: 10.1002/anie.200353231
127. An Unprecedented Memory of Macromolecular Helicity Induced in an Achiral Polyisocyanide in Water
M. Ishikawa, K. Maeda, Y. Mitsutsuji, and E. Yashima
J. Am. Chem. Soc., 126, 732-733 (2004) DOI: 10.1021/ja039279k
126. A Helical Array of Pendant Fullerenes on a Helical Poly(phenylacetylene) Induced by Non-covalent Chiral Interactions
T. Nishimura, S. Ohsawa, K. Maeda, and E. Yashima
Chem. Commun., 646-647 (2004) DOI: 10.1039/B312511D
119. Helical Structural Change in Poly((4-carboxyphenyl)acetylene) by Acid-Base Complexation with an Optically Active Amine in Dimethyl Sulfoxide: A Viscometric Study
Y. Ashida, T. Sato, K. Morino, K. Maeda, Y. Okamoto, and E. Yashima
Macromolecules, 36, 1480-1486 (2003) DOI: 10.1021/ma034085a
118. Chiral Stimuli-Responsive Gels: Helicity Induction in Poly(phenylacetylene) Gels Bearing a Carboxyl Group with Chiral Amines
H. Goto, H. Q. Zhang, and E. Yashima
J. Am. Chem. Soc., 125, 2516-2523 (2003) DOI: 10.1021/ja029036c
116. Helix-Sense Inversion of Poly(phenylacetylene) Derivatives Bearing an Optically Active Substituent Induced by External Chiral and Achiral Stimuli
K. Morino, K. Maeda, and E. Yashima
Macromolecules, 36, 1480-1486 (2003) DOI: 10.1021/ma025726p
115. Detection and Amplification of a Small Enantiomeric Imbalance in ƒ¿-Amino Acids by a Helical Poly(phenylacetylene) with Crown Ether Pendants
R. Nonokawa and E. Yashima
J. Am. Chem. Soc., 125, 1278-1283 (2003) DOI: 10.1021/ja028348c
114. Structural Analysis of Amylose Tris(3,5-dimethylphenylcarbamate) by NMR Relevant to Its Chiral Recognition Mechanism in HPLC
C. Yamamoto, E. Yashima, and Y. Okamoto
J. Am. Chem. Soc., 124, 12583-12589 (2002) DOI: 10.1021/ja020828g
113. Binding of Organic Anions by Synthetic Supramolecular Metallopores with Internal Mg2+- Aspartate Complexes, Selected as gCover Pictureh by Editor
G. Das, H. Onouchi, E. Yashima, and S. Matile
ChemBioChem., 3, 1089-1096 (2002) DOI: 10.1002/1439-7633(20021104)3:11<1089::AID-CBIC1089>3.0.CO;2-V
112. A Helical Array of Pendant Fullerenes of an Optically Active Polyphenylacetylene, Selected as gHot Paperh by Editor
T. Nishimura, K. Takatani, S.-I. Sakurai, K. Maeda, and E. Yashima
Angew. Chem., Int. Ed., 41, 3602-3604 (2002) DOI: 10.1002/1521-3757(20021004)114:19<3754::AID-ANGE3754>3.0.CO;2-V
111. Temperature Dependence of Helical Structures of Poly(phenylacetylene) Derivatives Bearing an Optically Active Substituent
K. Morino, K. Maeda, Y. Okamoto, E. Yashima, and T. Sato
Chem. Eur. J., 8, 5112-5120 (2002) DOI: 10.1002/1521-3765(20021115)8:22<5112::AID-CHEM5112>3.0.CO;2-S
110. Metal-Induced, Supramolecular Chirality Induction on an Optically Active Polythiophene Aggregate
H. Goto and E. Yashima
Chem. Eur. J., 8, 4027-4036 (2002) DOI: 10.1002/1521-3765(20020902)8:17<4027::AID-CHEM4027>3.0.CO;2-Q
109. Electron-Induced Switching of the Supramolecular Chirality of Optically Active Polythiophene Aggregates
H. Goto and E. Yashima
J. Am. Chem. Soc., 124, 7943-7949 (2002) DOI: 10.1021/ja025900p
108. Macromolecular Chirality Induction on Optically Inactive Poly(4-carboxyphenyl isocyanide) with Chiral Amines: A Dynamic Conformational Transition of Poly(phenyl isocyanide) Derivatives
M. Ishikawa, K. Maeda, and E. Yashima
J. Am. Chem. Soc., 124, 7448-7458 (2002) DOI: 10.1021/ja0259537
106. Switching of a Macromolecular Helicity for Visual Distinction of Molecular Recognition Events
E. Yashima, K. Maeda, and O. Sato
J. Am. Chem. Soc., 123, 8159-8160 (2001) DOI: 10.1021/ja016393z
102. A Helical Polyelectrolyte Induced by Specific Interactions with Biomolecules in Water
H. Onouchi, K. Maeda, and E. Yashima
J. Am. Chem. Soc., 123, 7441- 7442 (2001) DOI: 10.1021/ja0160647
100. Stereospecific Polymerization of Propiolic Acid with Rhodium Complexes in the Presence of Bases and Helix Induction on the Polymer in Water
K. Maeda, H. Goto, and E. Yashima
Macromolecules, 34, 1160-1164 (2001) DOI: 10.1021/ma001651i
098. Helicity Induction and Conformational Dynamics of Poly(bis(4-carboxyphenoxy)-phosphazene) with Optically Active Amines
E. Yashima, K. Maeda, and T. Yamanaka
J. Am. Chem. Soc., 122, 7813-7814 (2000) DOI: 10.1021/ja994156e
097. Synthesis and Macromolecular Helicity Induction of a Stereoregular Polyacetylene Bearing a Carboxy Group with Natural Amino Acids in Water
M. A. Saito, K. Maeda, H. Onouchi, and E. Yashima
Macromolecules, 33, 4616-4618 (2000) DOI: 10.1021/ma000484j
090. Memory of Macromolecular Helicity Assisted by Interaction with Achiral Small Molecules
E. Yashima, K. Maeda, and Y. Okamoto
Nature, 399, 449-451 (1999) DOI: 10.1038/20900
087. Helix-Helix Transition of Optically Active Poly((1R,2S)-N-(4-ethynylbenzyl)norephedrine) Induced by Diastereomeric Acid-Base Complexation Using Chiral Stimuli
E. Yashima, Y. Maeda, and Y. Okamoto
J. Am. Chem. Soc., 120, 8895-8896 (1998) DOI: 10.1021/ja9818349
085. Enantiomeric Enrichment of Stereolabile Chiral Spiro-compounds during Dynamic High Performance Liquid Chromatography on Chiral Stationary Phases
K. Lorenz, E. Yashima, and Y. Okamoto
Angew. Chem. Int. Ed., 37, 1922-1925 (1998) DOI: 10.1002/(SICI)1521-3773(19980803)37:13/14<1922::AID-ANIE1922>3.0.CO;2-%23
072. Chirality Assignment of Amines and Amino Alcohols Based on Circular Dichroism Induced by Helix Formation of a Stereoregular Poly(4-carboxyphenylacetylene) through Acid-Base Complexation
E. Yashima, T. Matsushima, and Y. Okamoto
J. Am. Chem. Soc., 119, 6345-6359 (1997) DOI: 10.1021/ja964470y
069. Inch-Worm Functionalization on [60]Fullerene: Selectivity Governed by Tether Length
M. Taki, S. Sugita, Y. Nakamura, E. Kasashima, E. Yashima
J. Am. Chem. Soc., 119, 926-932 (1997) DOI: 10.1021/ja960873m
062. Poly((4-dihydroxyborophenyl)acetylene) as a Novel Probe for Chirality and Structural Assignments of Various Kinds of Molecules Including Carbohydrates and Steroids by Circular Dichroism
E. Yashima, T. Nimura, T. Matsushima, and Y. Okamoto
J. Am. Chem. Soc., 118, 9800-9801 (1996) DOI: 10.1021/ja960439k
060. Aryl Ether Dendrimers with an Interior Metalloporphyrin Functionality as a Spectroscopic Probe: Interpenetrating Interaction with Dendritic Imidazoles
Y. Tomoyose, D.-L. Jiang, R.-H. Jin, T. Aida, T. Yamashita, K. Horie, E. Yashima, and Y. Okamoto
Macromolecules, 29, 5236-5238 (1996) DOI: 10.1021/ma960575+
058. NMR Studies of Chiral Discrimination Relevant to the Liquid Chromatographic Enantioseparation by a Cellulose Phenylcarbamate Derivative
E. Yashima, C. Yamamoto, and Y. Okamoto
J. Am. Chem. Soc., 118, 4036-4048 (1996) DOI: 10.1021/ja960050x
056. Poly((4-carboxyphenyl)acetylene) as a Probe for Chirality Assignment of Amines by Circular Dichroism
E. Yashima, T. Matsushima, and Y. Okamoto
J. Am. Chem. Soc., 117, 11596-11597 (1995) DOI: 10.1021/ja00151a032
055. Photocontrolled Chiral Recognition by [4-(Phenylazo)phenyl]carbamoylated Cellulose and Amylose Membranes
E. Yashima, J. Noguchi, and Y. Okamoto
Macromolecules, 28, 8368-8374 (1995) DOI: 10.1021/ma00128a054
050. Synthesis and Conformational Study of Optically Active Poly(phenylacetylene) Derivatives Bearing a Bulky Substituent
E. Yashima, S. Huang, T. Matsushima, and Y. Okamoto
Macromolecules, 28, 4184-4193 (1995) DOI: 10.1021/ma00116a020
047. Computational Studies of Chiral Discrimination Mechanism on Cellulose Trisphenylcarbamate
E. Yashima, M. Yamada, Y. Kaida, and Y. Okamoto
J. Chromatogr. A, 694, 347-354 (1995) DOI: 10.1016/0021-9673(94)01039-H
044. An Optically Active Stereoregular Polyphenylacetylene Derivative as a Novel Chiral Stationary Phase for HPLC
E. Yashima, S. Huang, and Y. Okamoto
J. Chem. Soc. Chem. Commun., 1811-1812 (1994) DOI: 10.1039/C39940001811
034. Affinity Gel Electrophoresis of Nucleic Acids. Nucleobase-selective Separation of DNA and RNA on Agarose-poly(9-vinyladenine) Conjugated Gel
E. Yashima, N. Suehiro, N. Miyauchi, and M. Akashi
J. Chromatogr. A, 654, 151-158 (1993) DOI: 10.1016/0021-9673(93)83075-4
028. Specific Base Recognition of Oligodeoxynucleotides by Capillary Affinity Gel Electrophoresis Using Polyacrylamide-poly(9-vinyladenine) Conjugated Gel
Y. Baba, M. Tsuhako, T. Sawa, M. Akashi, and E. Yashima
Anal. Chem., 64, 1920-1925 (1992) DOI: 10.1021/ac00041a029
024. Chiral Bis(1,10-phenanthroline) with TroNger's Base Skeleton. Synthesis and Interaction with DNA
E. Yashima, M. Akashi, and N. Miyauchi
Chem. Lett., 1017-1020 (1991) DOI: 10.1246/cl.1991.1017
011. Enantiomer-selective Polymerization of Racemic Phenyl-2-pyridyl-o-tolylmethyl Methacrylate Controlled by a Rigid Helix
E. Yashima, Y. Okamoto, and K. Hatada
Macromolecules, 21, 854-855 (1988) DOI: 10.1021/ma00181a050
009. Asymmetric and Enantiomer-selective Polymerization of Phenyl-2-pyridyl-o-tolylmethyl Methacrylate
E. Yashima, Y. Okamoto, and K. Hatada
Polym. J., 19, 897-904 (1987) DOI: 10.1295/polymj.19.897
006. Chromatographic Resolution of Tris(acetylacetonato)aluminum (III) on an Optically Active Poly(triphenylmethyl methacrylate) Column
Y. Okamoto, E. Yashima, and K. Hatada
J. Chem. Soc. Chem. Commun., 1051-1052 (1984) DOI: 10.1039/C39840001051
002. Chromatographic Resolution of Perchlorotriphenylamine on (+)-Poly(triphenylmethylmethacrylate)
Y. Okamoto, E. Yashima, K. Hatada, and K. Mislow
J. Org. Chem., 49, 557-558 (1984) DOI: 10.1021/jo00177a037