2004-2010

17. Immobilization and Chiral Recognition of 3,5-Dimethylphenylcarbamates of Cellulose and Amylose Bearing 4-(Trimethoxysilyl)phenylcarbamate Groups
S. Tang, T. Ikai, M. Tsuji, and Y. Okamoto
Chirality, 22, 165-172 (2010)
DOI: 10.1002/chir.20722

16. Immobilization of 3,5-Dimethylphenyl-Carbamates of Cellulose and Amylose onto Silica Gel Using (3-Glycidoxypropyl)triethoxysilane as Linker
S. Tang, T. Ikai, M. Tsuji, and Y. Okamoto
J. Sep. Sci., 33, 1255-1263 (2010)
DOI: 10.1002/jssc.200900711

15. Enantioseparation Using Amylose Esters as Chiral Stationary Phases for High-Performance Liquid Chromatography
Y. Sugiura, C. Yamamoto, T. Ikai, M. Kamigaito, and Y. Okamoto
Polym. J., 42, 31-36 (2010)
DOI: 10.1038/pj.2009.300

14. Synthesis and Immobilization of Amylose Derivatives Bearing a 4-tert-Butylbenzoate Group at the 2-Position and 3,5-Dichlorophenylcarbamate/3-(Triethoxysilyl)propylcarbamate Groups at 3-and 6-Positions as Chiral Packing Material for HPLC
J. Shen, T. Ikai, X. Shen, and Y. Okamoto
Chem. Lett., 39, 442-444 (2010)
DOI: 10.1246/cl.2010.442

13. Synthesis and Chiral Recognition of Novel Amylose Derivatives Containing Regioselectively Benzoate and Phenylcarbamate Groups
J. Shen, T. Ikai, and Y. Okamoto
J. Chromatogr. A, 1217, 1041-1047 (2010)
DOI: 10.1016/j.chroma.2009.07.027

12. Preparation and HPLC Application of Chiral Stationary Phase from 4-tert-Butylphenylcarbamates of Cellulose and Amylose Immobilized onto Silica Gel
J.-q. Li, T. Ikai, and Y. Okamoto
J. Sep. Sci., 32, 2885-2891 (2009)
DOI: 10.1002/jssc.200900206

11. A Maltooctaose Derivative (“Acyclodextrin”) as a Chiral Stationary Phase for Enantioselective Gas Chromatography
G. Sicoli, I. Tomoyuki, L. Jicsinszky, and V. Schurig
Eur. J. Org. Chem., 4241-4244 (2008)
DOI: 10.1002/ejoc.200800508

10. Organic-Inorganic Hybrid Materials for Efficient Enantioseparation Using Cellulose 3,5-Dimethylphenylcarbamate and Tetraethyl Orthosilicate
T. Ikai, C. Yamamoto, M. Kamigaito, and Y. Okamoto
Chem. – Asian. J., 3, 1494-1499 (2008)
DOI: 10.1002/asia.200800022

9. Calix[4]arene-Based Bis[2]catenanes: Synthesis and Chiral Resolution
O. Molokanova, A. Bogdan, M.O. Vysotsky, M. Bolte, T. Ikai, Y. Okamoto, and V. Boehmer
Chem. – Eur. J., 13, 6157-6170 (2007)
DOI: 10.1002/chem.200601814

8. Preparation and Chiral Recognition Ability of Crosslinked Beads of Polysaccharide Derivatives
T. Ikai, C. Yamamoto, M. Kamigaito, and Y. Okamoto
J. Sep. Sci, 30, 971-978 (2007)
DOI: 10.1002/jssc.200600438

7. Immobilization of Polysaccharide Derivatives onto Silica Gel. Facile Synthesis of Chiral Packing Materials by Means of Intermolecular Polycondensation of Triethoxysilyl Groups
T. Ikai, C. Yamamoto, M. Kamigaito, and Y. Okamoto
J. Chromatogr. A, 1157, 151-158 (2007)
DOI: 10.1016/j.chroma.2007.04.054

6. Efficient Immobilization of Cellulose Phenylcarbamate Bearing Alkoxysilyl Group onto Silica Gel by Intermolecular Polycondensation and Its Chiral Recognition
T. Ikai, C. Yamamoto, M. Kamigaito, and Y. Okamoto
Chem. Lett., 35, 1250-1251 (2006)
DOI: 10.1246/cl.2006.1250

5. High-Performance Liquid Chromatographic Enantioseparations on Capillary Columns Containing Crosslinked Polysaccharide Phenylcarbamate Derivatives Attached to Monolithic Silica
B. Chankvetadze, T. Kubota, T. Ikai, C. Yamamoto, M. Kamigaito, N. Tanaka, K. Nakanishi, and Y. Okamoto
J. Sep. Sci., 29, 1988-1995 (2006)
DOI: 10.1002/jssc.200500388

4. Enantioseparation by HPLC Using Phenylcarbonate, Benzoylformate, p-Toluenesulfonylcarbamate, and Benzoylcarbamates of Cellulose and Amylose as Chiral Stationary Phases
T. Ikai, C. Yamamoto, M. Kamigaito, and Y. Okamoto
Chirality, 17, 299-304 (2005)
DOI: 10.1002/chir.20168

3. Cellulose Derivative-Based Beads as Chiral Stationary Phase for HPLC
T. Ikai, R. Muraki, C. Yamamoto, M. Kamigaito, and Y. Okamoto
Chem. Lett., 33, 1188-1189 (2004)
DOI: 10.1246/cl.2004.1188

2. High-Performance Liquid Chromatographic Enantio Separations on Monolithic Silica Columns Containing a Covalently Attached 3,5-Dimethylphenylcarbamate Derivative of Cellulose
B. Chankvetadze, T. Ikai, C. Yamamoto, and Y. Okamoto
J. Chromatogr. A, 1042, 55-60 (2004)
DOI: 10.1016/j.chroma.2004.05.011

1. Rational Synthesis of Multicyclic Bis[2]catenanes
A. Bogdan, M.O. Vysotsky, T. Ikai, Y. Okamoto, and V. Bohmer
Chem. – Eur. J., 10, 3324-3330 (2004)
DOI: 10.1002/chem.200400195