IWASA Seiji

J-GLOBAL         Last updated: Jun 4, 2019 at 19:20
 
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Name
IWASA Seiji
Affiliation
Toyohashi University of Technology
Section
Faculty of Engineering, Department of Environmental and Life Sciences
Job title
准教授
Degree
(BLANK), (BLANK), Doctor of Engineering

Research Areas

 

Academic & Professional Experience

 
1991
 - 
1994
Post Doctoral Research Associate Ohio State Univ.
 
1994
 - 
1995
Post Doctoral Research Associate Univ. of Chicago
 
1995
 - 
1997
Post Doctoral Research Associate ERATO
 

Education

 
 
 - 
1991
Graduate School, Division of National Science and Technology, Chiba University
 
 
 - 
1982
Faculty of Engineering, Chiba University
 

Misc

 
Atsushi Naruse, Kazumasa Kitahara, Seiji Iwasa, Kazutaka Shibatomi
Asian Journal of Organic Chemistry   8 691-693   May 2019
© 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim A new synthetic route to α-fluoroenones was developed. Decarboxylative chlorination of α-fluoro-β-oxocarboxylic acids afforded α-chloro-α-fluoroketones, and subsequent base-mediated elimination y...
L. T.L. Chi, Agus Suharto, Ho Linh Da, Soda Chanthamath, Kazutaka Shibatomi, Seiji Iwasa
Advanced Synthesis and Catalysis   361 951-955   Mar 2019
© 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim The diazo derivative of acetonyl acetate is a useful basic skeleton for the synthesis of cyclopropyl ketones. The intermolecular cyclopropanations of diazo acetoxy acetone with olefins are accomp...
Yoko Nakagawa, Soda Chanthamath, Yumeng Liang, Kazutaka Shibatomi, Seiji Iwasa
Journal of Organic Chemistry   84 2607-2618   Mar 2019
© 2019 American Chemical Society. We have established a method for the highly regio- and enantioselective functionalization of tert-butyl groups via intramolecular amide carbene insertion into C-H bonds, yielding γ-lactams with 91% ee in up to 99...
Hamada S.A. Mandour, Yoko Nakagawa, Masaya Tone, Hayato Inoue, Nansalmaa Otog, Ikuhide Fujisawa, Soda Chanthamath, Seiji Iwasa
Beilstein Journal of Organic Chemistry   15 357-363   Feb 2019
© 2019 Mandour et al. A reusable and highly enantioselective catalyst for the intramolecular cyclopropanation of various diazo ester and Weinreb amide derivatives was developed. The reactions catalyzed by a water-soluble Ru(II)-Amm-Pheox catalyst ...
Yoko Nakagawa, Naofumi Nakayama, Hitoshi Goto, Ikuhide Fujisawa, Soda Chanthamath, Kazutaka Shibatomi, Seiji Iwasa
Chirality   31 52-61   Jan 2019
© 2018 Wiley Periodicals, Inc. Computational chemical analysis of Ru(II)-Pheox–catalyzed highly enantioselective intramolecular cyclopropanation reactions was performed using density functional theory (DFT). In this study, cyclopropane ring–fused...
Ryouta Kawanishi, Lacksany Phongphane, Seiji Iwasa, Kazutaka Shibatomi
Chemistry - A European Journal      Jan 2019
© 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim Syntheses of substituted pyridines and fluorinated compounds, which are often pharmaceutical targets, are important objectives in organic chemistry. Herein, we found that decarboxylative fluorina...
Tomomi Yamasaki, Shiro Miyake, Natsuki Sato, Yuki Hirakawa, Seiji Iwasa, Hiroshi Narita, Takaho Watanabe
Journal of the Food Hygienic Society of Japan   59 200-205   Oct 2018
© 2018 Food Hygienic Society of Japan.All right reserved. A direct competitive enzyme-linked immunosorbent assay (dc-ELISA) was developed for the determination of total amount of aflatoxin B 1 , B 2 , G 1 and G 2 (AFB 1 , AFB 2 , AFG 1 and AFG 2 ...
Yoko Nakagawa, Yusuke Imokawa, Ikuhide Fujisawa, Naofumi Nakayama, Hitoshi Goto, Soda Chanthamath, Kazutaka Shibatomi, Seiji Iwasa
ACS Omega   3 11286-11289   Sep 2018
© 2018 American Chemical Society. A ligand exchange of one of the acetonitrile ligands of the (acetonitrile)4Ru(II)-phenyloxazoline complex (Ru(II)-Pheox) by pyridine was demonstrated, and the location of the exchange reaction was examined by dens...
Chi Thi Loan Le, Seiya Ozaki, Soda Chanthamath, Kazutaka Shibatomi, Seiji Iwasa
Organic Letters   20 4490-4494   Aug 2018
© 2018 American Chemical Society. Novel catalysis involving phosphonomethylation of N-methylaniline and asymmetric cyclopropylphosphonation reactions of N,N-diethylaniline derivatives with diazomethylphosphonates are reported. Optically active cyc...
Eiki Watanabe, Tomomi Yamasaki, Yuki Hirakawa, Ayako Harada, Seiji Iwasa, Shiro Miyake
Analytical Methods   10 3162-3169   Jul 2018
© 2018 The Royal Society of Chemistry. A completely organic-solvent free analytical method for a neonicotinoid insecticide acetamiprid with water-based extraction and highly sensitive direct competitive enzyme-linked immunosorbent assay (ELISA) ha...
Hamada, M, M.; Chanthamath, S.; Shibatomi, K.; Iwasa, S.
Advanced Synthesis & Catalysis   359 DOI: 10.1002/adsc.201601345   2017   [Refereed]
Nakagawa, Y.; Chanthamath, S.; Shibatomi, K.; Iwasa, S.
Chemical Communications   10.1039/C7CC01070B   2017   [Refereed]
Shibatomi, K.; Kawasaki, Y.; Iwasa, S.
Chemical Science   7 1388-1392   2016   [Refereed]
Chanthamath, S.; Iwasa, S.
Account of Chemical Research   46 2080-2090   2016   [Refereed]
Soda Chanthamath, Hamada S. A. Mandour, Tong Thi Minh Thu, Kazutaka Shibatomi and Seiji Iwasa
Chemical Communication   52 7814-7817   2016   [Refereed]
Okamoto, Y.; Motegi, T.; Iwasa, S.; Sandhu, S.; Tero, R.
Japanese Journal of Applied Physics   54 04DL09-1-04DL09-6   2015   [Refereed]
Hirakawa, Y., Yamasaki, T.; Watanabe, E.; Okazaki, F.; Murakami-Y., Y.; Oda, M.; Iwasa, S.; Narita, H.; Miyake, S.,
Journal of Agricultural and Food Chemistry   63(28) 6325-6330   2015   [Refereed]
Hirakawa, Y.; Yamasaki, T.; Harada, A.; Ohtake, T.; Adachi, K.; Iwasa, S.; Narita, H.; Miyake, S.
Journal of Agricultural and Food Chemistry   63 8075-8082   2015   [Refereed]
Synthesis of acylnitroso intermediates and their synthetic applications
Mini-Reviews in Organic Chemistry   (2), [343-357],    2005
Chemistry Letters   (3), 284-285    2002
Transition Metal Catalyzed Hydrogen Peroxide Oxidation of Hydroxmaic Acids and Its Application
49th Symposium on Organometallic Chemistry, Kobe, Japan   , 242    2000
Makoto Yamamoto, Seiji Iwasa, Kenichi Takatsuki, Kazutoshi Yamada
The Journal of Organic Chemistry   51(3) 346-349   Jan 1986
A new pyran annelation reaction was investigated. 2,6-Dimethyl-4H-pyran-4-one (2) was converted to 2-[(p-tolylsulfonyl)methyl]-6-methyl-4H-pyran-4-one (7) which was alkylated at the C-2 methylene position regioselectively, and the p-tolylsulfonyl ...
Makoto Yamamoto, Takashi Uruma, Seiji Iwasa, Shigeo Kohmoto, Kazutoshi Yamada
Journal of the Chemical Society, Chemical Communications   1265-1267   Jan 1989
A highly stereo- and regio-selective radical cyclisation of homoallylic xanthate esters is presented and the reaction is applied to the synthesis of some ring fused lactones.
The Journal of Organic Chemistry   54(7) 1757-1760   1989
Journal of the Chemical Society, Chemical Communications   (17) 1265-1267   1989
Synthesis of Thionolactones from Homoallylic Xanthates
Journal of the Chemical Society, Perkin Transactions 1   1173   1991
Makoto Yamamoto, Atsuko Furusawa, Seiji Iwasa, Shigeo Kohmoto, Kazutoshi Yamada
Bulletin Chemical Society of Japan   65(6) 1550-1555   1992
Radical Induced Epoxide Fragmentation Chemistry
ACS 204th National Meeting Washington DC.   35    1992
The Journal of Organic Chemistry Communication   59(10) 2685-2686   1994
A Short, Stereocontrolled Synthesis of(±)-Strychnine
ACS 207th National Meeting San Diego   214    1994
Photocyclization-Fragmentation Route to Triquinane Skeletons : Application to Natural Products
ACS 27th Central Regional Meeting Akron   138    1995
Encyclopedia of Reagents for Organic Synthesis : Al2O3
Jhon Wiely & Sons Ltd. , Chichester, England   1 141   1995
Encyclopedia of Reagents for Organic Synthesis : HgO-I2
Jhon Wiely & Sons Ltd. , Chichester, England   5 3261   1995
New Horizons in Organic Synthesis ; General Strategy for the Stereocontrolled Synthesis of Strychnos Alkaloids
Nari, V. Kumar, S. , Eds. ; New Age Intl. : New Delhi   1   1997
A Synthesis of water soluble bis(oxazolyl)Pyridine Ligand
3PB182   1999
Asymmetric Catalytic 1,3-Dipolar Cycloaddition Reactions of Nitrones with Alkenes
3P4A045   1999
A synthesis of 2-6-Bis(4R-hydroxymethyloxazolyl)pyridine as a water soluble Ligand
Heterocycles   52(2) 939-944   2000
Discoveries of New Molecular Catalysts by Combinatorial Method
Chemistry   55(6) 62-63   2000
Stereoselective Synthesis of 1-Aryloxy-1,3-butadienes and Its Synthetic Applications
3PB156   2000
A View of the Development of New Molecular Catalysts by Combinatorial Method(共著)
39(2) 33-41   2001
Steric Tuning of Chiral 2, 6-Bis(dihydrooxazolyl)pyridine. Highly Enantioselective Ruthenium-catalyzed Asymmetric Cyclopropanation of Styrene and Diazoester(共著)
Chemical. Communications   59-60   2001
Novel Chiral Ligand, 2, 6-Bis(4R-alkoxymethyloxazolyl)pyridine and Their Use in Catalytic Asymmetric 1, 3-Dipolar Cycloaddition Reactions(共著)
Symposium on Organometallic Chemistry, Nagoya, Japan   226-227   2000
Catalytic Asymmetric 1, 3-Dipolar Cycloaddition Reactions of Nitrones with Activated Alkenes(共著)
Pacifichem 2000, International Chemical Congress of Pacific Basin Societies, Honolulu, Hawaii, USA.      2000
A Synthesis of Bisoxazolinyl Pyridine System Having Silyl Ether Groups and Its Application to Catalytic Asymmetric 1, 3-Dipolar Cycloaddition of Nitrones with Alkenes(共著)
(]G0002[) 1279   2001
Development of 2, 6-Bis(4R-hydroxymethyloxazolinyl)pyridine as a Chiral Tuner and its Application for Catalytic Asymmetric 1, 3-Dipolar Cycloadditions(共著)
IUPAC Symposium on Organometallic Chemistry Directed Towreds Organic Synthesis(OMCOS), Taipei, Taiwan   342   2001
Catalytic Asymmetric 1, 3-Diplar Cycloadditions of Nitrones with Alkenoyl Oxazolidinones Catalyzed by Bis(oxazolyl)pyridine/Ni((]G0002[)) Complex(共著)
International Conference of Heterocyclic Chemistry(ICHC), Yokohama, Japan   559   2001
A Synthesis of 2, 6-Bis(oxazolyl)pyridine-ruthenium-nitroso Complex(共著)
   2001

Research Grants & Projects

 
Synthesis of Multi-Functional Ligands and Development of Catalytic Asymmetric Reaction
Total Synthesis of Bioactive Compounds
Design and synthesis of molecular sensors