Keio University

Published papers

Sugai, Takeshi

101-120 items (total 256)

Mechanistic Studies on Nitrosation-deaminocyclization of Mono-carbamylated Vicinal Amino Alcohols and Diols: A New Preparative in situ Formation of Ethanediazoic Acid for the Ethylation of Carboxylate under Mild Conditions

Author
M. Suzuki, T. Sugai
Publication Title
Magazine name Bull. Chem. Soc. Jpn. Start Page 1217-1227 (Publication Date)2004/06)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
With

An Expeditious Route to N-Acetyl-D-galactosamine from N-Acetyl-D-glucosamine based on the Selective Protection of Hydroxyl Groups

Author
N. Ito, Y. Tokuda, S. Ohba, T. Sugai
Publication Title
Magazine name Bull. Chem. Soc. Jpn. Start Page 1181-1186 (Publication Date)2004/06)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
With

Concise Synthesis of 3-Deoxy-D-manno-oct-2-ulosonic Acid (KDO) as a Protected Form based on a New Transformation of a,b-Unsaturated Ester to a-Oxocarboxylic Acid Ester via Diol Cyclic Sulfite

Author
A. Kuboki, T. Tajimi, Y. Tokuda, D. Kato, T. Sugai, S. Ohira
Publication Title
Magazine name Tetrahedron Lett. Start Page 4545-4548 (Publication Date)2004/05)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
With

Both Enantiomers of N-Boc-indoline-2-carboxylic Esters

Author
M. Kurokawa, T. Sugai
Publication Title
Magazine name Bull. Chem. Soc. Jpn. Start Page 1021-1025 (Publication Date)2004/05)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
With

A Control of the Nitrile-hydrolyzing Enzyme Activity in Rhodococcus rhodochrous IFO 15564; Preferential Action of Nitrile Hydratase and Amidase Depending on the Reaction Condition Factors and its Application to the One-pot Preparation of Amides from Aldehydes

Author
M. Kashiwagi, K. Fuhshuku, T. Sugai
Publication Title
Magazine name J. Mol. Catal. B: Enz. Start Page 249-258 (Publication Date)2004/05)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
With

Scope and Limitation of Lithium-ethylenediamine/THF Mediated Cleavage at a-Position of Aromatics - Deprotection of Aryl Methyl Ethers and Benzyl Ethers under Mild Conditions

Author
T. Shindo, Y. Fukuyama, T. Sugai
Publication Title
Magazine name Synthesis Start Page 692-700 (Publication Date)2004/04)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
With

Unprecedented Chemo-enzymatic Synthesis of Stereochemically Pure 3-Acetoxy-2-methyl-2-vinylcycloalkanones

Author
K. Fuhshuku, M. Tomita, T. Sugai
Publication Title
Magazine name Tetrahedron Lett. Start Page 1763-1767 (Publication Date)2004/02)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
With

Synthetic Studies on Bioactive Natural Products Employing Electrochemical Methodology, Synthesis of Heliannulol E.

Author
F. Doi, T. Ogamino, T. Sugai, S. Nishiyama
Publication Title
Magazine name Proc. Electrochem. Soc. (Mechanistic and Synthetic Aspects of Organic and Biological Electrochemistry) Start Page 117-123 (Publication Date)2003/12)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
With

Enantiomerically pure Octahydronaphthalenones and Octahydroindenone: Elaboration of Substrate Overcame the Specificity of Yeast-mediated Reduction

Author
K. Fuhshuku, M. Tomita, T. Sugai
Publication Title
Magazine name Adv. Synth. Catal. Start Page 766-774 (Publication Date)2003/06)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
With

Enzyme-catalyzed Enantiomeric Resolution of N-Boc-proline as the Key-step in an Expeditious Route toward RAMP

Author
M. Kurokawa, T. Shindo, M. Suzuki, N. Nakajima, K. Ishihara, T. Sugai
Publication Title
Magazine name Tetrahedron: Asymmetry Start Page 1323-1333 (Publication Date)2003/06)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
With

Enantioselective Synthesis of Helianulol E; Structural Consideration of Natural Molecule

Author
F. Doi, T. Ogamino, T. Sugai, S. Nishiyama
Publication Title
Magazine name Tetrahedron Lett. Start Page 4877-4880 (Publication Date)2003/05)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
With

Synthesis of Bioactive Sesquiterpene Heliannuol E Involving a Ring-expansion Reaction of Spirodienones

Author
F. Doi, T. Ogamino, T. Sugai, S. Nishiyama
Publication Title
Magazine name Synlett Start Page 411-413 (Publication Date)2003/02)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
With

Magnetization Increase of Iron Oxide by Photoinduced Aggregation of Spiropyran

Author
Y. Einaga, M. Taguchi, G. Li, T. Akitsu, G. Gu, T. Sugai, O. Sato
Publication Title
Magazine name Chem. Mater. Start Page 8-10 (Publication Date)2003/01)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
With

Reversible Photo-controllable Magnetic Vesicles Consisting of Azobenzene

Author
Y. Einaga, T.Yamamoto, T. Sugai, O. Sato
Publication Title
Magazine name Chem. Mater. Start Page 4846-4850 (Publication Date)2002/10)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
With

Access to Enantiomerically Pure Intermediates of Geosmin Synthesis Starting from (4aS,8S)-4,4a,5,6,7,8-Hexahydro-4a,8-dimethylnaphthalen-2(3H)-one

Author
K. Fuhshuku, T. Sugai
Publication Title
Magazine name Biosci. Biotechnol. Biochem. Start Page 2267-2272 (Publication Date)2002/09)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
With

Chemo-enzymatic Synthesis of Enantiomerically Pure (R)-2-Naphthylmethoxyacetic acid

Author
M. Kimura, A. Kuboki, T. Sugai
Publication Title
Magazine name Tetrahedron: Asymmetry Start Page 1059-1068 (Publication Date)2002/06)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
With

Expeditious Route to GlcNAc-Cbz-Asn by Chemo-enzymatic Synthesis

Author
Takeshi Sugai, Yoshihide Tokuda, Yoichi Takahashi, Kaori Matoishi, Yukishige Ito
Publication Title
Magazine name Synlett Start Page 57-69 (Publication Date)2002/01)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
With

Microbial Asymmetric Reduction of α-Hydroxyketones in the anti-Prelog Selectivity

Author
T. Tsujigami, T. Sugai, H. Ohta
Publication Title
Magazine name Tetrahedron: Asymmetry Start Page 2543-2549 (Publication Date)2001/12)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
With

Lipase-catalyzed Asymmetrization of Diacetate of meso-2-(2-Propynyl)cyclohexane-1,2,3-triol toward the Total Synthesis of Aquayamycin

Author
T. Matsumoto, T. Konegawa, H. Yamaguchi, T. Nakamura, T. Sugai, K. Suzuki
Publication Title
Magazine name Synlett Start Page 1650-1652 (Publication Date)2001/12)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
With

Preparation of Methyl Ursodeoxycholate in an interface Bioreactor: Use of a Mixed Solvent System to Increase the Solubilities of Substrate and Product

Author
S. Oda, T. Sugai, H. Ohta
Publication Title
Magazine name J. Biosci. Bioeng. Start Page 86-88 (Publication Date)2001/10)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
With