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2009

1. Development of　molecular　sieves-supported　palladium　catalyst　and　chemoselective　hydrogenation　of　unsaturated　bonds in the presence of nitro groups.
   Tomohiro Maegawa, Tohru Takahashi, Masatoshi Yoshimura, Hroyoshi Suzuka, Yasunari Monguchi, Hironao Sajiki
   Adv. Synth. Catal., 351, 2091-2095 (2009)
2. Efficient and Practical Arene Hydrogenation by Heterogeneous Catalysts under Mild Conditions.
   Tomohiro Maegawa, Akira Akashi, Kiitiro Yaguchi, Youhei Iwasaki, Masahiro Shigetsura, Yasunari Monguchi, Hironao Sajiki
   Chem. Eur. J, 15, 6953-6963 (2009)
   Highlighted in SYNFACTS 2009, 1022.
3. A simple and efficient oxidation of alcohols with ruthenium on carbon.
   Shigeki Mori, Masato Takubo, Kazuya Makida, Takayoshi Yanase, Satoka Aoyagi, Tomohiro Maegawa, Yasunari Monguchi, Hironao Sajiki
   Chem. Commun., 5159–5161 (2009)
   Highlighted in SYNFACTS 2009, 126.
   
4. Bimetallic Palladium-Platinum on Carbon Catalyzed H-D Exchange Reaction: Synergistic Effect on Multiple Deuterium Incorporation.
   Tomohiro Maegawa, Nobuhiro Ito, Keiji Oono, Yasunari Monguchi, Hironao Sajiki
   Synthesis, 16, 2674–2678 (2009).
5. Pd(0)-polyethyleneimine complex as a partial hydrogenation catalyst of alkynes to alkenes
   Shigeki Mori, Tomoyuki Ohkubo, Takashi Ikawa, Akira Kume, Tomohiro Maegawa, Yasunari Monguchi, Hironao Sajiki
   J.Mol.Catal.A, 307, 77-87 (2009).
   
6. Iodobenzene Diacetate-Promoted N-N And N-O Bond Formation for Pyrazolo-And Isoxazolopyrimidine Synthesis
   Yasunari Monguchi, Kazuyuki Hattori, Tomohiro Maegawa, Kosaku Hirota, and Hironao Sajiki
   Heterocycles, 79, 669-680 (2009).
   
7. Novel deprotection method of Fmoc group under neutral hydrogenation conditions
   Tomohiro Maegawa, Yuta Fujiwara, Takashi Ikawa, Hideo Hisashi, Yasunari Monguchi, Hironao Sajiki,
   Amino Acids, 36, 493-499 (2009)
8. Temperature-dependent suppression of palladium on carbon-catalyzed hydrogenations.
   Bora, U.; Yaguchi, K.; Kume, A.; Maegawa, T.; Monguchi, Y.; Sajiki, H.
   Catal. Commun., 10, 1161-1165 (2009).
9. Effect of an Inducer of Bip, a Molecular Chaperone, on Endoplasmic Reticulum (ER) Stress-Induced Retinal Cell Death.
   Yuta Inokuchi, Yoshimi Nakajima, Masamitsu Shimazawa, Takanori Kurita, Mikiko Kubo, Atsushi Saito, Hironao Sajiki, Takashi Kudo, Makoto Aihara, Kazunori Imaizumi, Makoto Araie, Hideaki Hara
   Invest. Ophth. Vis. Sci., 50, 334-344
10. A highly active heterogeneous palladium catalyst supported on a synthetic adsorbent,
    Monguchi, Y.; Fujita Y.; Endo, K.; Takao, S.; Yoshimura, M.; Takagi, Y.; Maegawa, T.; Sajiki, H.
    Chem. Eur. J., 15, 834-837 (2009)
    Highlighted in SYNFACTS 2009, 459.
11. Cu/HP20: Novel and Polymer-Supported Copper Catalyst for Huisgen Cycloaddition.
    Yoshiaki Kitamura, Kazumi Taniguchi, Tomohiro Maegawa, Yasunari Monguchi, Yukio Kitade, Hironao Sajiki
    Heterocycles, 77, 521-532 (2009)
    

2008

1. Evaluation of aromatic amination catalyzed by palladium on carbon: a practical synthesis of triarylamines,
   Yasunari Monguchi, Katsunori Kitamoto, Takashi Ikawa, Tomohiro Maegawa, Hironao Sajiki
   Adv. Synth. Catal., 350, 2767-2777 (2008) 　
   Highlighted in SYNFACTS 2009, 225.
2. Alternative I-D Exchange Reaction on Pyrimidine and Purine Nuclei Mediated by Tributyltin Hydride Using THF-d 8 as a Deuterium Source
   Mutsumi, Tomonobu; Maruhashi, Kazuo; Monguchi, Yasunari; Sajiki, Hironao
   Synlett, 2811-2814 (2008)
3. A Convenient and Effective Method for the Regioselective Deuteration of Alcohols,
   Tomohiro Maegawa, Yuta Fujiwara, Yuya Inagaki, Yasunari Monguchi, Hironao Sajiki
   Adv. Synth. Catal., 350, 2215-2218 (2008)
4. Pd/C-catalyzed Direct α-Oxygenation of 1,3-Dicarbonyl compounds Using molecular Oxygen.
   Yasunari Monguchi, Tohru Takahashi, Yusuke Iida, Yuta Fujiwara, Yuya Inagaki, Tomohiro Maegawa, Hironao Sajiki
   Synlett, 2291-2294 (2008)
5. Ligand-Free Sonogashira Coupling Reaction Using Heterogeneous Pd/C as a Catalyst,
   Shigeki Mori, Takayoshi Yanase, Satoka Aoyagi, Yasunari Monguchi, Tomohiro Maegawa, Hironao Sajiki,
   Chem. Eur. J., 14, 6994-6999 (2008) 　
   Highlighted in SYNFACTS 2008, 1225. 　
   Introduced as one of the New Synthetic Methods in the J.Synth. Org.Chem.Japan, 66,1140 (2008)
6. Mild and Efficient H-D Exchange of Alkanes Based on C-H Activation Catalyzed by Heterogeneous Rhodium on Charcoal,
   Tomohiro Maegawa, Yuta Fujiwara, Yuya Inagaki, Hiroyoshi Esaki, Yasunari Monguchi, Hironao Sajiki
   Angew. Chem. Int Ed., 47, 5394-5397 (2008)
   
7. Partial Hydrogenation of Alkynes to cis-Olefins Using Novel Pd(0)-Polyethyleneimine Catalyst,
   Hironao Sajiki, Shigeki Mori, Tomoyuki Ohkubo, Takashi Ikawa, Akira Kume, Tomohiro Maegawa, Yasunari Monguchi,
   Chem. Eur. J. 14, 5109-5111(2008) 　
   Highlighted in SYNFACTS 2008, 890.
8. Pd/C-catalyzed practical degradation of PCBs at room temperature,
   Akira Kume, Yasunari Monguchi, Kazuyuki Hattori, Hisamitsu Nagase and Hironao Sajiki
   Appl. Catal. B Environ., 81, 274-282 (2008)
9. Facile and Convenient Method of Deuterium Gas Generation via Pd/C-catalyzed H₂-D₂ Exchange Reaction and Its Application to Synthesis of Deuterium-Labelled Compounds.
   T. Kurita, F. Aoki, T. Mizumoto, T. Maejima, H. Esaki, T. Maegawa, Y. Monguchi, H. Sajiki
   Chem. Eur. J. 14, 3371-3379 (2008)
10. Efficient and Convenient Heterogeneous Palladium-Catalyzed Regioselective Deuteration at the Benzylic Position,.
    T. Kurita, K. Hattori, S. Seki, T. Mizumoto, F. Aoki, Y. Yamada, K. Ikawa, T. Maegawa, Y. Monguchi, H. Sajiki
    Chem. Eur. J. 14, 664-673（2008）
11. Novel Pd/C-Diphenylsulfide Complex for Chemoselective Hydrogenation: Preparation, Characterization, and Application,
    Akinori Mori,Tomoteru Mizusaki, Masami Kawase, Tomohiro Maegawa, Yasunari Monguchi, Shinobu Takao, Yukio Takagi, Hironao Sajiki
    Adv. Synth. Catal. 350, 406-410 (2008)
12. H-D　Exchange Reaction Taking Advantage of a Synergistic Effect of a Heterogeneous Pd and Pt Mixed Catalyst,
    Nobuhiro Ito, Tsutomu Watahiki, Tsuneaki Maesawa, Tomohiro Maegawa, Hironao Sajiki
    Synthesis, 1467-1478 (2008)
13. Pt/C-catalyzed efficient H-D exchange reaction of aromatic rings and its scope and limitations.
    N. Ito, H. Esaki, E. Imamiya, T. Maesawa, T. Maegawa, H. Sajiki
    Bull. Chem. Soc., Jpn. 81,278-286(2008)

2007

1. Structural, Kinetic, and Thermodynamic Characterization of the Interconverting Isomers of MS-325, a Gadolinium(III)-based Magnetic Resonance Angiography Contrast
   Agent. Zoltan Tyeklar, Stephen U. Dunham, Katarina Midelfort, Daniel M. Scott, Hironao Sajiki, Karen Ong, Randall B. Lauffer, Peter Caravan, Thomas J. McMurry
   Inorg. Chem., 46, 6621-6631 (2007)
   
   
2. Development of a Practical and Scalable Preparation Using Sonication of Pd/Fibroin Catalyst for Chemoselective Hydrogenation,
   Y. Kitamura, A. Tanaka, M. Sato, K. Oono, T. Ikawa, T. Maegawa, Y. Monguchi, H. Sajiki
   Synth. Commun., 37, 4381-4388(2007)
3. Ligand-free Pd/C-catalyzed Suzuki-Miyaura Coupling Reaction for the Synthesis of Heterobiaryl Derivatives.
   Y. Kitamura, S. Sako, T. Udzu, A. Tsutsui, T. Maegawa, Y. Monguchi, H. Sajiki
   Chem. Commun., 5069-5071(2007)
4. Mechanistic Study on a Pd/C-Catalyzed Reduction of Aryl Sulfonates Using Mg-MeOH-NH₄OAc System,
   Akinori Mori, Tomoteru Mizusaki, Takashi Ikawa, Tomohiro Maegawa,Yasunari Monguchi, and Hironao Sajiki
   Chem. Eur. J.,　13, 1432-1441 (2007)
5. Palladium on Carbon-Diethylamine-Mediated Hydrodeoxygenation of Phenol Derivatives Under Mild Conditions,
   Akinori Mori, Tomoteru Mizusaki, Takashi Ikawa, Tomohiro Maegawa, Yasunari Monguchi, and Hironao Sajiki
   Tetrahedron, 63, 1270-1280 (2007).
6. Efficient H-D Exchange Reaction of Alkyl-substituted Benzene Derivatives Using Pd/C-H₂-D₂O System,
   Hiroyoshi Esaki, Fumiyo Aoki, Miho Umemura, Masatsugu Kato, Tomohiro Maegawa, Yasunari Monguchi, and Hironao Sajiki
   Chem. Eur. J., 13, 4052-4063 (2007)
7. Heterogeneous Pd/C-catalyzed Ligand-free, Room-temperature Suzuki-Miyaura Coupling Reaction in Aqueous Media,
   Tomohiro Maegawa, Yoshiaki Kitamura, Satoko Sako, Takahiro Udzu, Ai Sakurai, Asami Tanaka, Yusuke Kobayashi, Koichi Endo, Utpal Bora, Takanori Kurita, Atsushi Kozaki, Yasunari Monguchi, Hironao Sajiki
   Chem. Eur. J., 13, 5937-5943 (2007)
8. Novel Pd/C-Catalyzed Redox Reactions between Aliphatic Secondary Alcohols and Ketones under Hydrogenation Conditions: Application to H-D Exchange Reaction and the Mechanistic Study,
   Hiroyoshi Esaki, Rumi Ohtaki, Tomohiro Maegawa, Yasunari Monguchi, Hironao Sajiki
   J. Org. Chem., 72, 2143-2150 (2007)
   
9. Pd/C(en) Catalyzed Chemoselective Hydrogenation in the presence of Aryl Nitriles,
   Tomohiro Maegawa, Yuki Fujita, Ai Sakurai, Akira Akashi, Mutsumi Sato, Keiji Oono, Hironao Sajiki
   Chem. Pharm. Bull., 55, 837-839 (2007)
10. Ligand- and Base-free Synthesis of 1,3-Diynes Catalyzed by Low Loading Heterogeneous Pd/C and CuI,
    Takanori Kurita, Masami Abe, Tomohiro Maegawa, Yasunari Monguchi, Hironao Sajiki
    Synlett, 2521-2524 (2007)
11. Heterogeneous Pd/C-catalyzed ligand-free Suzuki-Miyaura coupling reaction using aryl boronic esters.
    Y. Kitamura, A. Sakurai, T. Udzu, T. Maegawa, Y. Monguchi, H. Sajiki
    Tetrahedron, 63, 10596-10602 (2007)

2006

1. General Method of Obtaining Deuterium Labelling heterocyclic Compounds Using Neutral D₂O with Heterogeneous Pd/C.
   H. Esaki, N. Ito, T. Maegawa, Y. Monguchi, H. Sajiki
   Tetrahedron, 62, 10954-10961 (2006)
2. Chemoselective hydrogenation method catalyzed by Pd/C using diphenylsulfide as a reasonable catalyst poison.
   A. Mori, T. Mizusaki, Y. Miyakawa, E. Ohashi, T. Haga, T. Maegawa, Y. Monguchi, and H. Sajiki
   Tetrahedron, 62, 11925-11932 (2006)
3. Facile and catalytic degradation method of DDT using Pd/C-Et₃N system under ambient pressure and temperature.
   Y. Monguchi, A. Kume, H. Sajiki.
   Tetrahedron, 62, 8384-8392 (2006)
4. Pd/C-Et3N-mediated catalytic hydrodechlorination of aromatic chlorides under mild conditions.
   Y. Monguchi, A. Kume, K. Hattori, T. Maegawa, H. Sajiki.
   Tetrahedron, 62, 7926-7933 (2006)
5. Synergistic effect of a palladium-on-carbon/platinum-on-carbon mixed catalyst in hydrogen/deuterium exchange reactions of alkyl-substituted aromatic compounds.
   N. Ito, T. Watahiki, T. Maesawa, T. Maegawa, H. Sajiki.
   Adv. Synth. Catal., 348, 1025-1028 (2006)
6. Pd/C-Catalyzed Chemoselective Hydrogenation in the Presence of Diphenylsulfide.
   A. Mori, Y. Miyakawa, E. Ohashi, T. Haga, T. Maegawa, H. Sajiki.
   Org. Lett.., 8, 3279-3281(2006)
   
7. A mild and facile method for complete hydrogenation of aromatic nuclei in water.
   T.Maegawa, A. Akashi, H. Sajiki.
   Synlett., 1440-1442 (2006)
8. Pd/C-Catalyzed Deoxygenation of Phenol Derivatives Using Mg Metal and MeOH in the Presence of NH₄OAc.
   H. Sajiki, A. Mori, T. Mizusaki, T. Ikawa, T. Maegawa, K. Hirota.
   Org. Lett.., 8, 987-990 (2006)
   
   
9. Formation of 4',5'-didehydro-5'-deoxy-3'-O-methyluridine via regioselective nucleophilic addition of methoxide anion to 2',3'-anhydro-5'-dehydro-5'-iodouridine.
   H. Sajiki, H. Takasu, K. Hirota.
   Heterocycles., 67, 399-405 (2006)

2005

1. Ligand-Free Suzuki-Miyaura Reaction Catalyzed by Pd/C at Room Temperature.
   Hironao Sajiki, Takanori Kurita, Atsushi Kozaki, Guolin Zhang, Yoshiaki Kitamura, Tomohiro Maegawa, Kosaku Hirota
   Synthesis, 852, 537-542 (2005).
2. Synthesis of base-selectively deuterium-labeled nucleosides by the Pd/C-catalyzed H-D exchange reaction in deuterium oxide.
   H. Esaki, F. Aoki, T. Maegawa, K. Hirota, H. Sajiki.
   Heterocycles., 66, 361-369 (2005)
3. Chemical modification of the sugar moiety of pyrimidine nucleosides via a 4',5'-epoxyuridine intermediate.
   H. Takasu, H. Sajiki, K. Hirota.
   Heterocycles, 65, 2991-2999 (2005)
4. Facile and Efficient Postsynthetic Tritium Labeling Method Catalyzed by Pd/C in HTO.
   T. Maegawa, K. Hirota, K. Tatematsu, Y. Mori, H. Sajiki.
   J. Org. Chem., 70, 10581-10583 (2005)
   
5. Rearrangement of allylic azide and phenylthio groups of 3'-azido- or 3'-phenylthio-4',5'-didehydro-5'-deoxyarabinofuranosyluridines.
   H. Takasu, Y. Tsuji, H. Sajiki, K. Hirota.
   Tetrahedron, 61, 11027-11031 (2005)
6. Aromatic ring favorable and efficient H-D exchange reaction catalyzed by Pt/C.
   H. Sajiki, N. Ito, H. Esaki, T. Maesawa, T. Maegawa, K. Hirota.
   Tetrahedron. Lett., 46, 6995-6998 (2005)
7. 3'-Selective modification of a 4',5'-didehydro-5'-deoxy-2',3'-epoxyuridine using nucleophiles.
   H. Takasu, Y. Tsuji, H. Sajiki, K. Hirota.
   Tetrahedron, 61, 8499-8504 (2005)
8. Ligand-free Suzuki-Miyaura reaction catalyzed by Pd/C at room temperature.
   H. Sajiki, T. Kurita, A.Kozaki, G. Zhang, Y. Kitamura, T. Maegawa, K. Kirota.
   J. Chem. Res., 5, 344 (2005)
9. Palladium-catalyzed base-selective H-D exchange reaction of nucleosides in deuterium oxide.
   H. Sajiki, H. Esaki, F. Aoki, T. Maegawa, K. Hirota.
   Synlett., 9, 1385-1388 (2005)
10. Efficient protocol for the phosphine-free Suzuki-Miyaura reaction catalyzed by palladium on carbon at room temperature.
    H. Sajiki, T. Kurita, A. Kozaki, G. Zhang, Y. Kitamura, T. Maegawa, K. Hirota.
    Synthesis, 5, 852 (2005)
11. Easy copper-, ligand- and amine-free Sonogashira coupling reaction catalyzed by palladium on carbon at low catalyst loading and by exposure to air.
    H. Sajiki, G. Zhang, Y. Kitamura, T. Maegawa, K. Hirota.
    Synlett.,