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最近の論文
最近の論文
38) Transition-metal-free dibenzoxazepinone synthesis by hypervalent iodine-mediated chemoselective arylocyclizations of N-functionalized salicylamides
38) Transition-metal-free dibenzoxazepinone synthesis by hypervalent iodine-mediated chemoselective arylocyclizations of N-functionalized salicylamides
Naoki Miyamoto, Kotaro Kikushima, Hirotaka Sasa, Ten Katagiri, Naoko Takenaga,
Yasuyuki Kita,* Toshifumi Dohi*
Chemical Communications, 2025, 61, 1882–1885. 10.1039/D4CC05908E
37) Reconstructive Synthesis of Fluorinated Dihydropyrido[1,2-a] indolones by a Cyclohexadione Cut-to-Fuse Strategy
37) Reconstructive Synthesis of Fluorinated Dihydropyrido[1,2-a] indolones by a Cyclohexadione Cut-to-Fuse Strategy
Hideyasu China,* Yusuke Yoto, Hirotaka Sasa, Kotaro Kikushima, Toshifumi Dohi*
Advanced Synthesis & Catalysis, 2025, 367, e202401037. 10.1002/adsc.202401037
36) Metal-Free Synthesis of Benzisoxazolones Utilizing ortho-Ester and ortho-Cyano-Functionalized Diaryliodonium Salts with Protected Hydroxylamines
36) Metal-Free Synthesis of Benzisoxazolones Utilizing ortho-Ester and ortho-Cyano-Functionalized Diaryliodonium Salts with Protected Hydroxylamines
Elghareeb E. Elboray, Taeho Bae, Kotaro Kikushima, Naoko Takenaga, Yasuyuki Kita,* Toshifumi Dohi*
The Journal of Organic Chemistry, 2024, 89, 17518–17527. 10.1021/acs.joc.4c02242
35) Borate-mediated aryl polyfluoroalkoxylation
under transition-metal-free conditions
35) Borate-mediated aryl polyfluoroalkoxylation
under transition-metal-free conditions
Kotaro Kikushima,* Tomoka Tsuda, Naoki Miyamoto, Yasuyuki Kita,* Toshifumi Dohi*
Chemical Communications, 2024, 60, 10552–10555. 10.1039/D4CC04008B
34) Silver-Catalyzed Coupling of Unreactive Carboxylates:
Synthesis of α-Fluorinated O-Aryl Esters
34) Silver-Catalyzed Coupling of Unreactive Carboxylates:
Synthesis of α-Fluorinated O-Aryl Esters
Kotaro Kikushima,* Keina Komiyama, Narumi Umekawa, Kohei Yamada, Yasuyuki Kita, Toshifumi Dohi*
Organic Letters, 2024, 26, 5347–5352. 10.1021/acs.orglett.4c01731
Cover Feature
32) Transition Metal-Free O-Arylation of N-Alkoxybenzamides Enabled by Aryl(trimethoxyphenyl)iodonium Salts
32) Transition Metal-Free O-Arylation of N-Alkoxybenzamides Enabled by Aryl(trimethoxyphenyl)iodonium Salts
Elghareeb E. Elboray, Taeho Bae, Kotaro Kikushima,* Yasuyuki Kita,* Toshifumi Dohi*
Advanced Synthesis & Catalysis, 2023, 365, 2703–2710. 10.1002/adsc.202300406
31) Decarboxylative arylation with diaryliodonium(III) salts: alternative approach for catalyst-free difluoroenolate coupling to aryldifluoromethyl ketones
31) Decarboxylative arylation with diaryliodonium(III) salts: alternative approach for catalyst-free difluoroenolate coupling to aryldifluoromethyl ketones
Kotaro Kikushima,* Kohei Yamada, Narumi Umekawa, Natsumi Yoshio, Yasuyuki Kita,* Toshifumi Dohi*
Green Chemistry, 2023, 25, 1790–1796. 10.1039/D2GC04445E
Cover Feature
30) Transition-Metal-Free N-Arylation of N-Methoxysulfonamides and
N,O-Protected Hydroxylamines with Trimethoxyphenyliodonium(III) Acetates
30) Transition-Metal-Free N-Arylation of N-Methoxysulfonamides and
N,O-Protected Hydroxylamines with Trimethoxyphenyliodonium(III) Acetates
Kotaro Kikushima,* Aki Morita, Elghareeb E. Elboray, Taeho Bae, Naoki Miyamoto,
Yasuyuki Kita,* Toshifumi Dohi*
Synthesis, 2022, 54, 5192–5202. [Feature article] 10.1055/a-1922-8846
29) Ligand- and Counterion-Assisted Phenol O-Arylation
with TMP-Iodonium(III) Acetates
29) Ligand- and Counterion-Assisted Phenol O-Arylation
with TMP-Iodonium(III) Acetates
Kotaro Kikushima, Naoki Miyamoto, Kazuma Watanabe, Daichi Koseki, Yasuyuki Kita,* Toshifumi Dohi*
Organic Letters, 2022, 24, 1924–1928. 10.1021/acs.orglett.2c00294
[Cover Feature, press release, highlighted in Organic Chemistry Portal]
28) μ-Oxo-Hypervalent-Iodine-Catalyzed Oxidative C-H Amination for Synthesis of Benzolactam Derivatives
28) μ-Oxo-Hypervalent-Iodine-Catalyzed Oxidative C-H Amination for Synthesis of Benzolactam Derivatives
Hirotaka Sasa, Koyo Mori, Kotaro Kikushima, Yasuyuki Kita,* Toshifumi Dohi*
Chemical & Pharmaceutical Bulletin, 2022, 70, 106–110. 10.1248/cpb.c21-00980
27) Nucleophilic Aromatic Substitution of Polyfluoroarene to Access Highly Functionalized 10-Phenylphenothiazine Derivatives
27) Nucleophilic Aromatic Substitution of Polyfluoroarene to Access Highly Functionalized 10-Phenylphenothiazine Derivatives
Kotaro Kikushima,* Haruka Koyama, Kazuki Kodama, Toshifumi Dohi*
Molecules, 2021, 26, 1365. 10.3390/molecules26051365
26) Polyfluoroarene-Capped Thiophene Derivatives via Fluoride-Catalyzed Nucleophilic Aromatic Substitution
26) Polyfluoroarene-Capped Thiophene Derivatives via Fluoride-Catalyzed Nucleophilic Aromatic Substitution
Kotaro Kikushima,* Kana Matsuki, Yuna Yoneda, Takayuki Menjo, Kosuke Kaneko, Tomonori Hanasaki, * Toshifumi Dohi*
Heterocycles, 2021, 103, 878–892.
25) Triflimide-Promoted Nucleophilic C-Arylation of Halopurines to Access N7-Substituted Purine Biaryls
25) Triflimide-Promoted Nucleophilic C-Arylation of Halopurines to Access N7-Substituted Purine Biaryls
Toshitaka Shoji, Kosuke Fukushima, Takayuki Menjo, Yoichi Yamada, Tomonori Hanasaki, Kotaro Kikushima, Naoko Takenaga,* Toshifumi Dohi*
Chemical & Pharmaceutical Bulletin, 2021, 69, 886–891. 10.1248/cpb.c21-00380
24) Practical synthesis of diaryliodonium(iii) triflates using ArI(OAc)2/TfOH/MeCN reaction system
24) Practical synthesis of diaryliodonium(iii) triflates using ArI(OAc)2/TfOH/MeCN reaction system
Keina Komiyama, Shota Kobayashi, Toshitaka Shoji, Kotaro Kikushima, Toshifumi Dohi,* Yasuyuki Kita*
Russian Chemical Bulletin, 2020, 69, 2328–2332. 10.1007/s11172-020-3035-9
23) Direct Transformation of Tetrafluoroethylene to Trifluorovinylzinc
via sp2 C-F Bond Activation
23) Direct Transformation of Tetrafluoroethylene to Trifluorovinylzinc
via sp2 C-F Bond Activation
Kotaro Kikushima, Yuusuke Etou, Ryohei Kamura, Ippei Takeda, Hideki Ito, Masato Ohashi, Sensuke Ogoshi*
Organic Letters, 2020, 22, 8167–8172. 10.1021/acs.orglett.0c03189
22) New syntheses of haloketo acid methyl esters and their transformation to halolactones by reductive cyclization
22) New syntheses of haloketo acid methyl esters and their transformation to halolactones by reductive cyclization
Hideyasu China,* Hotaka Yatabe, Nami Kageyama, Mihoyo Fujitake, Kotaro Kikushima, Toshifumi Dohi*
Russian Chemical Bulletin, 2020, 69, 1804–1810. 10.1007/s11172-020-2965-6
21) Regiodivergent oxidation of alkoxyarenes by hypervalent iodine/oxone system
21) Regiodivergent oxidation of alkoxyarenes by hypervalent iodine/oxone system
Hideyasu China,* Kokoro Tanihara, Hirotaka Sasa, Kotaro Kikushima, Toshifumi Dohi*
Catalyst Today, 2020, 348, 2–8. 10.1016/j.cattod.2019.08.060
20) Nucleophilic Arylation of Halopurines Facilitated by Brønsted Acid in Fluoroalcohol
20) Nucleophilic Arylation of Halopurines Facilitated by Brønsted Acid in Fluoroalcohol
Naoko Takenaga,* Toshitaka Shoji, Takayuki Menjo, Akiko Hirai, Shohei Ueda, Kotaro Kikushima, Tomonori Hanasaki, Toshifumi Dohi*
Molecules, 2019, 24, 3812–3821.
19) Dataset on synthesis and crystallographicstructure of phenyl(TMP)iodonium(III) acetate
19) Dataset on synthesis and crystallographicstructure of phenyl(TMP)iodonium(III) acetate
Hideyasu China, Daichi Koseki, Kazuki Samura, Kotaro Kikushima, Yasuko In,* Toshifumi Dohi*
Data in Brief, 2019, 25, 104063.
18) CuI‐Catalyzed Pentafluoroethylation of Aryl Iodides in the Presence of Tetrafluoroethylene and Cesium Fluoride: Determining the Route to the Key Pentafluoroethyl CuI Intermediate
18) CuI‐Catalyzed Pentafluoroethylation of Aryl Iodides in the Presence of Tetrafluoroethylene and Cesium Fluoride: Determining the Route to the Key Pentafluoroethyl CuI Intermediate
Masato Ohashi,* Haoyoshi Ishida, Kota Ando, Yu Hashimoto, Anna Shigaki, Kotaro Kikushima, Sensuke Ogoshi*
Chemistry A European Journal, 2018, 24, 9794–9798.
17) Transition-Metal-Free Catalytic Hydrodefluorination of Polyfluoroarenes by Concerted Nucleophilic Aromatic Substitution with a Hydrosilicate
17) Transition-Metal-Free Catalytic Hydrodefluorination of Polyfluoroarenes by Concerted Nucleophilic Aromatic Substitution with a Hydrosilicate
Kotaro Kikushima, Mary Grellier, Masato Ohashi, Sensuke Ogoshi*
Angewandte Chemie - International Edition, 2017, 56, 16191–16196.
Angewandte Chemie, 2017, 129, 16409–16414.
16) Synthesis and Reactivity of Fluoroalkyl Copper Complexes
by the Oxycupration of Tetrafluoroethylene
16) Synthesis and Reactivity of Fluoroalkyl Copper Complexes
by the Oxycupration of Tetrafluoroethylene
Masato Ohashi, Takuya Adachi, Naoyoshi Ishida, Kotaro Kikushima, Sensuke Ogoshi*
Angewandte Chemie - International Edition, 2017, 56, 11911–11915.
Angewandte Chemie, 2017, 129, 12073–12077.
15) Synthesis of 2-Arylphenol Derivatives through a One-Pot Suzuki‒Miyaura Coupling/Dehydrogenative Aromatization Sequence with Pd/C Catalysis
15) Synthesis of 2-Arylphenol Derivatives through a One-Pot Suzuki‒Miyaura Coupling/Dehydrogenative Aromatization Sequence with Pd/C Catalysis
Kotaro Kikushima,* Yuta Nishina*
European Journal of Organic Chemistry, 2015, 2015, 5864–5868.
14) Synthesis of diverse β-quaternary ketones via palladium-catalyzed asymmetric conjugate addition of arylboronic acids to cyclic enones
14) Synthesis of diverse β-quaternary ketones via palladium-catalyzed asymmetric conjugate addition of arylboronic acids to cyclic enones
Jeffrey C. Holder, Emmett D. Goodman, Kotaro Kikushima, Michele Gatti, Alexander N. Marziale, Brian M. Stoltz*
Tetrahedron, 2015, 71, 5781–5792.
13) Copper-mediated One-pot Synthesis of Trifluorostyrene Derivatives from Tetrafluoroethylene and Arylboronate
13) Copper-mediated One-pot Synthesis of Trifluorostyrene Derivatives from Tetrafluoroethylene and Arylboronate
Kotaro Kikushima, Hironobu Sakaguchi, Hiroki Saijo, Masato Ohashi,* Sensuke Ogoshi*
Chemistry Letters, 2015, 44, 1019–1021.
12) 2,2,3,3-Tetrafluoronickelacyclopentanes Generated via the Oxidative Cyclization of Tetrafluoroethylene and Simple Alkenes: A Key Intermediate in Nickel-Catalyzed C-C Bond-Forming Reactions
12) 2,2,3,3-Tetrafluoronickelacyclopentanes Generated via the Oxidative Cyclization of Tetrafluoroethylene and Simple Alkenes: A Key Intermediate in Nickel-Catalyzed C-C Bond-Forming Reactions
Masato Ohashi,* Takuya Kawashima, Tomoaki Taniguchi, Kotaro Kikushima, Sensuke Ogoshi*
Organometallics, 2015, 34, 1604–1607.
11) Nickel-Catalyzed Formation of Fluorine-Containing Ketones via the Selective Cross-Trimerization Reaction of Tetrafluoroethylene, Ethylene, and Aldehydes
11) Nickel-Catalyzed Formation of Fluorine-Containing Ketones via the Selective Cross-Trimerization Reaction of Tetrafluoroethylene, Ethylene, and Aldehydes
Masato Ohashi,* Hiroshi Shirataki, Kotaro Kikushima, Sensuke Ogoshi*
Journal of American Chemical Society, 2015, 137, 6496–6499.
10) Synthesis, Characterization, and Unique Catalytic Activities
of a Fluorinated Nickel Enolate
10) Synthesis, Characterization, and Unique Catalytic Activities
of a Fluorinated Nickel Enolate
Ryohei Doi, Kotaro Kikushima, Masato Ohashi, Sensuke Ogoshi*
Journal of American Chemical Society, 2015, 137, 3276–3282.
9) Mechanism and Enantioselectivity in Palladium-Catalyzed Conjugate Addition of Arylboronic Acids to β-Substituted Cyclic Enones: Insights from Computation and Experiment
9) Mechanism and Enantioselectivity in Palladium-Catalyzed Conjugate Addition of Arylboronic Acids to β-Substituted Cyclic Enones: Insights from Computation and Experiment
Jeffrey C. Holder, Lufeng Zou, Alexander N. Marziale, Peng Liu, Yu Lan, Michele Gatti,
Kotaro Kikushima, K. N. Houk,* Brian M. Stoltz*
Journal of American Chemical Society, 2013, 135, 14996–15007.
8) Bromination of hydrocarbons with CBr4, initiated by light-emitting diode irradiation
8) Bromination of hydrocarbons with CBr4, initiated by light-emitting diode irradiation
Yuta Nishina,* Bunsho Ohtani, Kotaro Kikushima
Beilstein Journal of Organic Chemistry, 2013, 9, 1663–1667.
7) Copper-catalyzed oxidative aromatization of 2-cyclohexen-1-ones to phenols in the presence of catalytic hydrogen bromide under molecular oxygen
7) Copper-catalyzed oxidative aromatization of 2-cyclohexen-1-ones to phenols in the presence of catalytic hydrogen bromide under molecular oxygen
Kotaro Kikushima,* Yuta Nishina*
RSC Advances, 2013, 3, 20150–20156.
6) Palladium-Catalyzed Asymmetric Conjugate Addition of Arylboronic Acids to Five-, Six-, and Seven-Membered β-Substituted Cyclic Enones: Enantioselective Construction of All-Carbon Quaternary Stereocenters
6) Palladium-Catalyzed Asymmetric Conjugate Addition of Arylboronic Acids to Five-, Six-, and Seven-Membered β-Substituted Cyclic Enones: Enantioselective Construction of All-Carbon Quaternary Stereocenters
Kotaro Kikushima, Jeffrey C. Holder, Michele Gatti, Brian M. Stoltz*
Journal of American Chemical Society, 2011, 133, 6902–6905.
5) Vanadium-catalyzed oxidative bromination promoted by Bronsted acid or Lewis acid
5) Vanadium-catalyzed oxidative bromination promoted by Bronsted acid or Lewis acid
Kotaro Kikushima, Toshiyuki Moriuchi,* Toshikazu Hirao*
Tetrahedron, 2010, 66, 6906–6911.
4) Oxidative bromination reaction using vanadium catalyst and aluminum halide under molecular oxygen
4) Oxidative bromination reaction using vanadium catalyst and aluminum halide under molecular oxygen
Kotaro Kikushima, Toshiyuki Moriuchi,* Toshikazu Hirao*
Tetrahedron Letters, 2010, 51, 340–342.
3) Vanadium-catalyzed oxidative aromatization of 2-cyclohexenones under molecular oxygen
3) Vanadium-catalyzed oxidative aromatization of 2-cyclohexenones under molecular oxygen
Toshiyuki Moriuchi,* Kotaro Kikushima, Tomomi Kajikawa, Toshikazu Hirao*
Tetrahedron Letters, 2009, 50, 7385–7387.
2) Vanadium-Catalyzed Oxidative Bromination under Atmospheric Oxygen
2) Vanadium-Catalyzed Oxidative Bromination under Atmospheric Oxygen
Kotaro Kikushima, Toshiyuki Moriuchi,* Toshikazu Hirao*
Chemistry - An Asian Journal, 2009, 4, 1213–1216.
1) An efficient vanadium-catalyzed bromination reaction
1) An efficient vanadium-catalyzed bromination reaction
Toshiyuki Moriuchi, Mitsuaki Yamaguchi, Kotaro Kikushima, Toshikazu Hirao*
Tetrahedron Letters, 2007, 48, 2667–2670.
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