Hiroto Nakano Group
Synthetic organic chemistry
Publications >>
at Muroran Institute of Technology
2021
Rajkumar Thiyagarajan, Zubeda Begum, Chigusa Seki, Yuko Okuyama, Eunsang Kwon, Koji Uwai, Michio Tokiwa, Suguru Tokiwa, Mitsuhiro Takeshita, Hiroto Nakano,
New small gamma-turn type N-primary amino terminal tripeptide organocatalyst for solvent-free asymmetric aldol reaction of various ketones with aldehydes
RSC Advances, 11, 38925-38932 (2021). →Link
Perumalsamy Parasuraman, Divakar Ganesan, Zubeda Begum, Chigusa Seki, Yuko Okuyama, Yuko, Eunsang Kwon, Koji Uwai, Michio Tokiwa, Suguru Tokiwa, Mitsuhiro Takeshita, Hiroto Nakano,
Simple amino silyl ether organocatalyst for asymmetric hetero Diels-Alder reaction of isatins with enones,
CHIRALITY, 33(8), 454-464(2021). →Link
Zubeda Begum, Haruka Sannabe, Chigusa Seki, Yuko Okuyama, Eunsang Kwon, Koji Uwai, Michio Tokiwa, Suguru Tokiwa, Mitsuhiro Takeshita and Hiroto Nakano,
“Simple primary β-amino alcohols as organocatalysts for the asymmetric Michael addition of β-keto esters to nitroalkenes”, RSC Advances. 1, 203-209 (2021). →Link
2020
Perumalsamy Parasuraman, Zubeda Begum, Madhu Chennapuram, Chigusa Seki, Yuko Okuyama, Eunsang Kwon, Koji Uwai, Michio Tokiwa, Suguru Tokiwa, Mitsuhiro Takeshita and Hiroto Nakano,
“Simple organocatalyst component system for asymmetric hetero Diels–Alder reaction of isatins with enones”, RSC Advances. 10, 17486-17491 (2020). →Link
2019
Yohei Takeda, Yuko Okuyama, Hiroto Nakano, Yasunori Yaoita, Koich Machida, Haruko Ogawa & Kunitoshi Imai,
“Antiviral Activities of Hibiscus sabdariffa L. Tea Extract Against Human Influenza A Virus Rely Largely on Acidic pH but Partially on a Low-pH-Independent Mechanism”, Food Environ Virol. 12, 9-19 (2019). →Link
Divakar Ganesan, Madhu Chennapuram, Zubeda Begum, Chigusa Seki, Yuko Okuyama, Eunsang Kwon, Koji Uwai, Michio Tokiwa, Suguru Tokiwa, Mitsuhiro Takeshita, and Hiroto Nakano,
“Sugar Based γ-Amino Alcohol Organocatalyst for Asymmetric Michael Addition of β-Keto Esters with Nitroolefins”, Heterocycles, 98(11), 1536 - 1545 (2019). →Link
Rei Togashi, Madhu Chennapuram, Chigusa Seki, Yuko Okuyama, Eunsang Kwon, Koji Uwai, Michio Tokiwa, Mitsuhiro Takeshita, Hiroto Nakano,
“2‐Azanorbornane‐Based Amino Alcohol Organocatalysts for Asymmetric Michael Reaction of β‐Keto Esters with Nitroolefins”, Eur J. Org. Chem, 2019(24), 3882-3889 (2019). →Link
Isiaka A. Owolabi, Madhu Chennapuram, Chigusa Seki, Yuko Okuyama, Eunsang Kwon, Koji Uwai, Michio Tokiwa, Mitsuhiro Takeshita, Hiroto Nakano
“Amino Amide Organocatalysts for Asymmetric Michael Addition of β-Keto Esters with β-Nitroolefins”,
BCSJ, 92(3), 696-701 (2019). →Link
2018
Hiroto Nakano, Isiaka Alade Owolabi, Madhu Chennapuram, Yuko Okuyama, Eunsang Kwon, Chigusa Seki, Michio Tokiwa, and Mitsuhiro Takeshita
“β-Amino Alcohol Organocatalysts for Asymmetric Additions”,Heterocycles, 97(2), 647-667 (2018). →Link
Madhu Chennapuram, Isiaka Alade Owolabi, Chigusa Seki, Yuko Okuyama, Eunsang Kwon, Koji Uwai, Michio Tokiwa, Mitsuhiro Takeshita, and Hiroto Nakano
“New Hybrid-type Squaramide-Fused Amino Alcohol Organocatalyst for Enantioselective Domino Michael Addition/Cyclization Reaction of Oxoindolines with Cyclic 1,3-Diketones”,
ACS Omega, 3(9), 11718–11726 (2018). →Link
Isiaka A. Owolabi, U.V. Subba Reddy, Madhu Chennapuram, Chigusa Seki, Yuko Okuyama, Eunsang Kwon, Koji Uwai, Michio Tokiwa, Mitsuhiro Takeshita, Hiroto Nakano,
“A new type of amino amide organocatalyzed enantioselective crossed aldol reaction of ketones with aromatic aldehydes”, Tetrahedron, 76(36), 4705-4711 (2018). →Link
2017
Riho Taguch, Koki Hatayama, Tomohito Takahashi, Takafumi Hayashi, Yuki Sato, Daisuke Sato, Kiminori Ohta, Hiroto Nakano, Chigusa Seki, Yasuyuki Endo, Kiyotaka Tokuraku, Koji Uwai
“Structureeactivity relations of rosmarinic acid derivatives for the amyloid b aggregation inhibition and antioxidant properties”, European Journal of Medicinal Chemistry, 138, 1066-1075 (2017). →Link
Madhu Chennapuram, U. V. Subba Reddy, Chigusa Seki, Yuko Okuyama, Eunsang Kwon, Koji Uwai, Michio Tokiwa, Mitsuhiro Takeshita and Hiroto Nakano
“Hybrid-Type Squaramide-Fused Amino Alcohol Organocatalysts for Enantioselective Diels–Alder Reactions of 3-Hydroxy-2-Pyridones with Maleimides”, European Journal of Organic Chemistry, 2017, 4633-4641 (2017). →Link
U. V. Subba Reddy, Madhu Chennapuram, Kento Seki, Chigusa Seki, Bheemreddy Anusha, Eunsang Kwon, Yuko Okuyama, Koji Uwai, Michio Tokiwa, Mitsuhiro Takeshita, Hiroto Nakano
“A Diamino Alcohol Catalyzed Enantioselective Crossed Aldol Reaction of Acetaldehyde with Isatins – A Concise Total Synthesis of Antitumor Agents”, European Journal of Organic Chemistry, 2017, 3847-3885 (2017). →Link
Madhu Chennapuram, U. V. Subba Reddy, Chigusa Seki, Yuko Okuyama, Eunsang Kwon, Koji Uwai, Michio Tokiwa, Mitsuhiro Takeshita and Hiroto Nakano
“Hybrid-Type Squaramide-Fused Amino Alcohol Organocatalysts for Enantioselective Nitro-Aldol Reaction of Nitromethane with Isatins”, European Journal of Organic Chemistry, 2017, 1638-46 (2017). →Link
2016
Toshihisa Takahashi, U.V. Subba Reddy, Yoshihito Kohari, Chigusa Seki, Taniyuki Furuyama,
Nagao Kobayashi, Yuko Okuyama, Eunsang Kwon, Koji Uwai, Michio Tokiwa, Mitsuhiro Takeshita,
Hiroto Nakano
“Simple primary β-amino alcohol catalyzed enantioselective Diels-Alder reaction of 3-hydroxy-2-pyridones”,
Tetrahedron Letters, 57 (51), 5771-5776 (2016). →Link
Ayumi Ogasawara, U.V. Subba Reddy, Chigusa Seki, Yuko Okuyama, Koji Uwai, Michio Tokiwa, Mitsuhiro Takeshita, Hiroto Nakano
“2-Azanorbornane-based amine organocatalyst for enantioselective aldol reaction of isatins with ketones”, Tetrahedron: Asymmetry, 27(20–21), 1062-1068 (2016). →Link
Hiroto Nakano, Jun Kumagai, Ummareddy Venkata Subba Reddy, Chigusa Seki, Yuko Okuyama, Eunsang Kwon “Development of Asymmetric Cycloaddition Reaction Using Amino Alcohol and its Derivative as an Organocatalyst”
J. Syn. Org. Chem. Jpn. 74,720-731 (2016). →Link
Jo Kimura, Ummareddy Venkata Subba Reddy, Yoshihito Kohari, Chigusa Seki, Yasuteru Mawatari, Koji Uwai, Yuko Okuyama, Eunsang Kwon, Michio Tokiwa, Mitsuhiro Takeshita, Tatsuo Iwasa and Hiroto Nakano
“Simple Primary Amino Amide Organocatalyst for Enantioselective Aldol Reactions of Isatins with Ketones” European Journal of Organic Chemistry, 2016, 3728-3756 (2016). →Link
Ummareddy Venkata Subba Reddy, Madhu Chennapuram, Chigusa Seki, Eunsang Kwon, Yuko Okuyama and Hiroto Nakano
“Catalytic efficiency of primary β-amino alcohols and their derivatives in organocatalysis” European Journal of Organic Chemistry, (2016). in press. →Link
2015
Jun Kumagai, Teppei Otsuki, U. V. Subba Reddy, Yoshihito Kohari, Chigusa Seki, Koji Uwai, Yuko Okuyama, Eunsang Kwon, Michio Tokiwa, Mitsuhiro Takeshita, Hiroto Nakano
“Chiral primary amino alcohol organobase catalysts for the asymmetric Diels-Alder reactions of anthrones with maleimides” Tetrahedron: Asymmetry, 26 (24), 1423-1439 (2015). →Link
Teppei Otsuki, Jun Kumagai, Yoshihito Kohari, Yuko Okuyama, Eunsang Kwon, Chigusa Seki, Koji Uwai, Yasuteru Mawatari, Nagao Kobayashi, Tatsuo Iwasa, Michio Tokiwa, Mitsuhiro Takeshita, Atushi Maeda, Akihiko Hashimoto, Kana Turuga, Hiroto Nakano
“Silyloxy Amino Alcohol Organocatalyst for Enantioselective 1,3-Dipolar Cycloaddition of Nitrones to
α,β- Unsaturated Aldehydes” European Journal of Organic Chemistry, 2015 (33), 7292-7300 (2015). →Link
Kaoru Sano, Yoshihito Kohari, Hiroto Nakano, Chigusa Seki, Mitsuhiro Takeshita, Michio Tokiwa, Yoshihiko Hirose, Koji Uwai
“Lipase-Catalyzed Domino Michael-Aldol Reaction of 2-Methyl-1,3-Cycloalkanedione and Methyl Vinyl Ketone for the Synthesis of Bicyclic Compounds” Synthetic Communications, 46 (1), 46-54, (2015). →Link
Jun Kumagai, Yoshihito Kohari, Chigusa Seki, Koji Uwai, Yuko Okuyama, Eunsang Kwon, and Hiroto Nakano
“Chiral Primary Amino Amide Alcohol Organocatalyst for the Asymmetric Michael Addition of 4-Hydroxycoumarin with α,β-Unsaturated Ketones” Heterocycles, 90 (2), 1124-1134 (2015). →Link
2014
Yoshihito Kohari, Yuko Okuyama, Eunsang Kwon, Taniyuki Furuyama, Nagao Kobayashi, Teppei Otuki, Jun Kumagai, Chigusa Seki, Koji Uwai, Gang Dai, Tatsuo Iwasa, and Hiroto Nakano
“Enantioselective Diels–Alder Reaction of 1,2-Dihydropyridines with Aldehydes Using β-Amino Alcohol Organocatalyst” J. Org. Chem. 79 (20), 9500-9511 (2014). →Link
Hiroto Nakano, Yuko Okuyama, Eunsang Kwon, “Chiral Oxazolidine Catalyst for Asymmetric Synthesis”
Heterocycles, 89 (1), 1-26 (2014). →Link
2013
Kaoru Sano, Shun-ichi Saito, Yoshihiko Hirose, Yoshihito Kohari, Hiroto Nakano, Chigusa Seki, Michio Tokiwa, Mitsuhiro Takeshita, Koji Uwai “Development of a Novel Method for Warfarin Synthesis via Lipase-catalyzed Stereoselective Michael Reaction” Heterocycles, 87, 1269-1278 (2013). →Link
2012
Yuki Sakuta, Yoshihito Kohari, N. D. M. Romauli Hutabarat, Koji Uwai, Eunsang Kwon, Yuko Okuyama, Chigusa Seki, Haruo Matsuyama, Nobuhiro Takano, Michio Tokiwa, Mitsuhiro Takeshita, and Hiroto Nakano, ”Chiral Primary Amino Silyl Ether Organocatalyst for the Enantioselective Diels-Alder Reaction of 1,2-Dihydropyridine with Aldehydes” Heterocycles, 86, 1379-1389 (2012). →Link
N. D. M. Romauli Hutabarat, Chigusa Seki, Takashi Shimizu, Masafumi Hirama, Yoshihito Kohari, Hiroto Nakano, Koji Uwai, Nobuhiro Takano, Eunsang Kwon and Haruo Matsuyama, “ Highly Enantioselective Synthesis of Isoquinuclidine by Diels-Alder Reaction of 1,2-Dihydropyridine Utilizing Chiral Bisoxazoline-Cu(II) Complex” Heterocycles, 86, 203-217 (2012). →Link
Chgusa Seki, Masafumi Hirama,Takuya Sato, Saya Takeda, Yoshihito Kohari, Kazuhiro Ishigaki, Masafumi Ohuchi, Kiyoshi Yokoi, Hiroto Nakano, Koji Uwai, Nobuhiro Takano, Kazuyuki Umemura and Haruo Matsuyama,“ One Step Synthesis of Optically Active Diazabicyclo[3.3.0]octanes or Diazabicyclo[4.3.0]nonanones by Asymmetric Conjugate Addition of Cyclic Hydrazines” Heterocycles, 85, 1045-1052 (2012). →Link
Hiroto Nakano, Yuko Okuyama, Mitsuhiro Takeshita, Eunsang Kwon, Yoshihito Kohari, Haruo Matsuyama, “Development of Asymmetric Reactions Using Chiral Oxazolidine-type Catalysts” J. Syn. Org. Chem. Jpn. 70,142-153 (2012). →Link
Chgusa Seki, Masafumi Hirama, N.D.M. Romauli Hutabarat, Junko Takada, Chonticha Suttibut, Hideto Takahashi, Takuya takaguchi, Yoshihito Kohari, Hiroto Nakano, Koji Uwai, Nobuhiro Takano, Mitsukuni Yasui, Yuko Okuyama, Mitsuhiro Takeshita, Haruo Matsuyama, “Asymmetric synthesis of isoquinuclidines by Diels-Alder reaction of 1,2-dihydropyridine utilizing a chiral Lewis acid catalyst” Tetrahedoron, 68, 1774-1781 (2012). →Link
Yuko Okuyama, Kenichi Osone, Hiroto Nakano, Mitsuhiro Takeshita, “New Hydrazine-Based Organocatalyst for Asymmetric Diels-Alder Reaction of 1,2-Dihydropyridines” Heterocycles, 84, 1209-1216 (2012). →Link
Masafumi Hirama, Chonticha Suttibut, N.D.M.R Hutabarat, Chigusa Seki, Noritaka Sakuta, Takefumi Tsuchiya, Yoshihito Kohari, Hiroto, Hiroto Nakano, Koji Uwai, Nobuhiro Takano, Mitsukuni Tasui, Yuko Okuyama, Kenichi Osone, Mitsuhiro Takeshita, Haruo Matsuyama, “Asymmetric synthesis of isoquinuclidine by Diels-Alder reaction of 1,2-dihydropyridine and chiral dienophile utilizing a chiral Lewis acid” Heterocycles, 84, 377-384 (2012). →Link
2011
Chonticha Suttibut, Yoshihito Kohari, Ko Igarashi, Hiroto Nakano, Masafumi Hirama, Chigusa Seki, Haruo Matsuyama, Koji Uwai, Nobuhiro Takano, Yuko Okuyama, Kenichi Osone, Mitsuhiro Takeshita, Eunsang Kwon, “A highly enantioselective Diels Alder reaction of 1,2-dihydropyridine using a simple beta-amino alcohol organocatalyst for a practical synthetic methodology of oseltamivir intermediate” Tetrahedron Lett. 52, 4745-4748, (2011). →Link
2010
Hiroto Nakano, Kenichi Osone, Mitsuhiro Takeshita, Eunsang Kwon, Chigusa Seki, Haruo Matsuyama, Nobuhiro Takano, Yoshihito Kohari, A novel chiral oxazolidine organocatalyst for the synthesis of an oseltamivir intermadiate using a highly enantioselective Diels-Alder reaction of 1,2-dihydropyridine” Chem. Commun. 46, 4827-4829, (2010). →Link
Yoshihito Kohari, Yukio Hoshino, Haruo Matsuyama, Hiroto Hakano, “Efficient synthetic methodology of biflavones having a ring-a ring of two flavone units using Suzuki cross-coupling reactions” Heterocycles, 81, 1871-1879, (2010). →Link
Yoshihito Kohari, Yukio Hoshino, Haruo Matsuyama, Hiroto Hakano, “Efficient synthetic methodology of flav-3-enes using reductive elimination of flav-4-triflate” Heterocycles, 82, 843-850, (2010). →Link
Masafumi Hirama, Yuji Kato, Chigusa Seki, Hiroto Nakano, Mitsuhiro Takeshita, Noriko Oshikiri, Masahiro Iyoda, Haruo Matsuyama, “An Efficient Synthesis of Chiral Isoquinuclidines by Diels-Alder Reaction Using Lewis Acid Catalyst”, Tetrahedron, 66, 7618-7624, (2010). →Link
2009
Yuko Okuyama, Hiroto Nakano, Yuki Watanabe, Mika Makabe, Mitsuhiro Takeshita, Koji Uwai, Chizuko Kabuto, Eunsang Kwon, “Organocatalytic activity of 4-hydroxy-prolinamide alcohol with different noncovalent coordination sites in asymmetric Michael and direct aldol reactions” Tetrahedron Lett. 50, 193-197, (2009). →Link
Yasuhiro Nishiuchi, Hiroto Nakano, Yuta Araki, Rina Sato, Reiko Fujita, Koji Uwai, Mitsuhiro Takeshita, “Reactivity and Efficient Recycling of a Chiral Pd-BINAP Catalyst for Catalytic Asymmetric Diels-Alder Reaction in Ionic Liquid” Heterocycles, 77, 1323-1331 (2009). →Link
2008
Hiroto Nakano, Yasuhiro Nishiuchi, Kouichi Takahashi, Reiko Fujita,Koji Uwai, Mitsuhiro Takeshita, “Chiral Cationic Pd-phosphinooxazolidine Catalysts for a Highly Efficient Asymmetric Diels-Alder Reaction in Ionic Liquids”, Heterocycles, 76, 381-390 (2008). →Link
2007
Kouichi Takahashi, Hiroto Nakano, Reiko Fujita, “Reuse of Chiral Cationic Pd- Phosphinooxazolidine Catalysts in Ionic Liquids: A Highly Efficient Catalytic Asymmetric Diels-Alder Reactions” Chem. Commun. 263-265 (2007). →Link
Masato Hoshino, Tsuyoshi Taguchi, Hiroto Nakano, Hiroshi Tomisawa, Hisao Matsuzaki, Reiko Fujita, “Reaction of 2-Alkylthiopyridinium Salts with Active Methylene Compounds” Hetrocycles, 74, 791-802 (2007). →Link
2006
Hiroto Nakano, Natsumi Tsugawa, Kouichi Takahashi, Yuko Okuyama, Reiko Fujita, “An Efficient Synthetic Methodology of Chiral Isoquinuclidines by the Enantioselective Diels-Alder Reaction of 1,2- Dihydropyridines Using Chiral Cationic Palladium- Phosphinooxazolidine Catalyst” Tetrahedron, 62, 10879-10887 (2006). →Link
2005
Gustavo Rios-Morenoa, Ruben A. Toscanoa, Rocio Redonb, Hiroto Nakano, Yuko Okuyama, and David Morales-Moralesa, “Rhodium (I) Complexes with Phosphinooxathiane (POT) and Phosphinooxazolidine (POZ) Ligands: The Crystals Structures of [(POTRh(CO)Cl) and [(POZ)Rh(CO)Cl]” Inorganica Chimica Acta, 358, 303-309 (2005). →Link
Hiroto Nakano, Kouichi Takahashi, Yuri Suzuki, and Reiko Fujita, “Polymer- Supported Chiral Phosphinooxathiane Ligands for Palladium- Catalyzed Asymmetric Allylations” Tetrahedron: Asymmetry, 16, 609-614 (2005). →Link
Hiroto Nakano, Kouichi Takahashi, and Reiko Fujita, “Polymer-Supported Chiral Phosphinooxazolidine Ligands for Palladium-Catalyzed Asymmetric Allylic Alkylations and Diels-Alder Reactions” Tetrahedron: Asymmetry, 16, 2133-2140 (2005). →Link
Yuko Okuyama, Hiroto Nakano, Yuka Saito, Kouichi Takahashi, and Hiroshi Hongo, “Chiral Sulfideoxathiane Ligands for Palladium-Catalyzed Asymmetric Allylic Alkylation” Tetrahedron: Asymmetry, 16, 2551-2557 (2005). →Link
Hiroto Nakano, Natsumi Tsugawa, and Reiko Fujita, “The Highly Enantioselective Diels-Alder Reaction of 1,2-Dihydro-pyridine using Chiral Cationic Palladium-Phosphino oxazolidine Catalyst for The Synthesis of Chiral Isoquinuclidines” Tetrahedron Lett. 46, 5677-5681 (2005). →Link
Kouichi Takahashi, Hiroto Nakano, and Reiko Fujita, “A Concise and Practical Catalytic Asymmetric Synthesis of (-)-CP-99,994 and (-)-L-733,061” Tetrahedron Lett. 46, 8927-8930 (2005). →Link
2004
Hiroto Nakano, Kouichi Takahashi, Yuko Okuyama, Chieko Senoo, Natsumi Tsugawa, Yuichiro Suzuki, Reiko Fujita, Kazuo Sasaki, and Chizuko Kabuto, “Chiral Phosphinooxazolidine Ligands for Palladium- and Platinum-Catalyzed Asymmetric Diels-Alder Reactions” J. Org. Chem. 69, 7092-7100 (2004). →Link
Hiroto Nakano, Kouichi Takahashi, and Reiko Fujita, Polymer-supported “Phosphinooxathiane as Ligands for Palladium-catalyzed Asymmetric Allylations”, Heterocycles, 64, 407-416 (2004). →Link
2003
Yuko Okuyama, Hiroto Nakano, Mayumi Igarashi, Chizuko Kabuto, and Hiroshi Hongo, “A New Chiral Pyrrolidine- and Pyrrolidinoneethanols for Enantioselective Addition of Diethylzinc to Arylaldehydes” Heterocycles, 59, 635-643 (2003). →Link
Reiko Fujita, Kanako Oikawa, Toshiteru Yoshisuji, Yuko Okuyama, Hiroto Nakano, and Hisao Matsuzaki, “Cycloaddition of 1-Substituted 1,3-Butadienes with 4- or 3-Substituted 2(1H)-Quinolones Acting as Dienophiles” Chem. Pharm. Bull. 51, 295-300 (2003). →Link
Yuko Okuyama, Hiroto Nakano, Kouichi Takahashi, Hiroshi Hongo, and Chizuko Kabuto, “Novel and efficient chiral sulfideoxathiane ligands for palladium- catalyzed asymmetric allylic alkylation” Chem. Commun. 524-525, (2003). →Link
Hiroto Nakano, Jun-ichi Yokoyama, Yuko Okuyama, Reiko Fujita, and Hiroshi Hongo, “Novel chiral xylofuranose-based phosphinooxathiane and phosphinooxazinane ligands for palladium-catalyzed asymmetric allylations”, Tetrahedron: Asymmetry, 14, 2361-2368 (2003). →Link
Hiroto Nakano, Yuko Okuyama, Ryo-suke Takahashi, and Reiko Fujita, “New chiral phosphinooxathiolane ligands for palladium-catalyzed asymmetric allylations” Heterocycles, 61, 471-479 (2003). →Link
2002
Hiroto Nakano, Yuko Okuyama, Kazuyuki Fushimi, Ryo, Yamakawa, Daisuke Kayaoka, and Hiroshi Hongo, “New Chiral Pyrrolidinyl- and 2-Azanorbornyloxazolidine Ligands for Enantioselective Addition of Diethylzinc to Aldehydes” Heterocycles, 56, 457-466 (2002). →Link
Laura F. Basil, Hiroto Nakano, Rogelio Frutos, Michael Kopach, and A. I. Meyers, “Asymmetric tandem additions to chiral 2,3-dihydronaphthyl- oxazolines: synthesis of the triptoquinone/triptinin a ring system” Synthesis, 14, 2064-2074 (2002). →Link
Hiroto Nakano, Jun-ichi Yokoyama, Reiko Fujita, and Hiroshi Hongo, “Novel chiral xylofuranose-based phosphinooxathiane and phosphinooxazinane ligands for palladium-catalyzed asymmetric tandem allylic allylation” Tetrahedron Lett. 43, 7761-7764 (2002). →Link
Hiroto Nakano, Yuichiro Suzuki, Chizuko Kabuto, Reiko Fujita, and Hiroshi Hongo, “Chiral phosphinooxathiane ligands for catalytic asymmetric Diels-Alder Reaction” J. Org. Chem. 67, 5011-5014 (2002). →Link
Hiroto Nakano, Yuko Okuyama, Yuichiro Suzuki, Reiko Fujita, and Chizuko Kabuto, “A novel and efficient chiral palladium-phosphinooxazolidine catalyst for the enantioselective Diels-Alder reaction” Chem. Commun. 1146-1147 (2002). →Link
Yuko Okuyama, Hiroto Nakano, Chizuko Kabuto, Erica Nozawa, Kouichi Takahashi, and Hiroshi Hongo, “New chiral ligands, pyridinooxathianes, for palladium-catalyzed asymmetric allylic alkylation” Heterocycles, 58, 457-469 (2002). →Link
2001
Hiroto Nakano, Yuko Okuyama, Mariko Yanagida, and Hiroshi Hongo, “Palladium-Catalyzed Asymmetric Allylic Substitution Reactions Using New Chiral Phosphinooxathiane Ligands” J. Org. Chem. 66, 620-625 (2001). →Link
Hiroto Nakano, Yuko Okuyama, Kazuto Iwasa, and Hiroshi Hongo, “Synthesis of New Chiral Catalysts, 2-Azanorbornyloxazolidines for Enantioselective Addition of Diethylzinc to Aldehydes” Heterocycles, 54, 411-418 (2001). →Link
2000
Yuko Okuyama, Hiroto Nakano, and Hiroshi Hongo, “New Chiral Ligands, Pyrrolidinyl- and 2-Azanorbornyl-phosphino- oxazolidines for Palladium- Catalyzed Asymmetric Allylation” Tetrahedron: Asymmetry, 11, 1193-1198 (2000). →Link
Hiroto Nakano, Yuko Okuyama, and Hiroshi Hongo, “New Chiral Phosphinooxathiane Ligands for Palladium-Catalyzed Asymmetric Allylic Substitution Reactions” Tetrahedron Lett. 41, 4615-4618 (2000). →Link
Photos (Japanese site)
Research (Japanese site)