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研究業績

Iridium-catalyzed C3-selective asymmetric allylation of 7-azaindoles with secondary allylic alcohols

Takahiro Sawano, Takeshi Matsui, Marina Koga, Eri Ishikawa, Ryo Takeuchi, Chem. Commun., 2021, DOI:10.1039/d1cc03968g. [Link]


Regioselectivity in the Iridium-Catalyzed [2 + 2 + 2] Cycloaddition of Usymmetrical α,ω-Diynes with Nitrile: A DFT Study

Ken Sakata, Satoshi Shimada, Ryo Takeuchi, Organometallics, 2020, 39, 2091-2101. [Link]


Synthesis of Anthraquinones by Iridium-Catalyzed [2 + 2 + 2] Cycloaddition of a 1,2-Bis(propiolyl)benzene Derivative with Alkynes

Takahiro Sawano, Yuko Toyoshima, Ryo Takeuchi, Inorganics, 2019, 7, 138 [Link]

Two-photon absorption property of Cl-substituted diphenylacetylenes by optical-probing photoacoustic spectroscopy

Tetsuro Ishii, Saki Ando, Tasuku Isozaki, Ryo Takeuchi, Wataru Kashihara, and Tadashi Suzuki, J. Chem. Phys. 2019, 151, 134304 [Link]


Cationic Iridium Complex-Catalyzed Intermolecular Hydroalkylation of Unactivated Alkenes with 1,3-Diketones

Ryo Takeuchi, Jun Sagawa, and Masaki Fujii, Org. Lett. 2019, 21, 741−744 [Link]

Synthesis of Chiral Homoallylic Nitriles by Iridium-Catalyzed Allylation of Cyanoacetates

Asuka Matsunami, Kazuki Takizawa, Shogo Sugano, Yusuke Yano, Hiroaki Sato, and Ryo Takeuchi, J. Org. Chem. 2018, 83, 12239−12246 [Link]

Synthesis of Multisubstituted Azatriphenylenes by Iridium-Catalyzed [2 + 2 + 2] Cycloaddition of Biaryl-Linked Diynes with Nitriles

Ryo Takeuchi, Shunsuke Fujisawa, Yuzo Yoshida, Jun Sagano, Toru Hashimoto, and Asuka Matsunami, J. Org. Chem. 2018, 83, 1852−1860 [Link]

Iridium-Catalyzed Synthesis of Acylpyridines by [2 + 2 + 2] Cycloaddition of Diynes with Acyl Cyanides

Toru Hashimoto, Kaoru Kato, Reiko Yano, Tomoki Natori, Hiroki Miura, Ryo Takeuchi, J. Org. Chem. 2016, 81, 5393-5400 [Link]


Synthesis and X-ray crystal structure of novel cobalt(II) complexes having oligopyridine ligands

Gen Onodera, Goki Hirata, Takanao, Seike, Ryo Takeuchi, Masanari Kimura, Polyhedron 2016, 112, 43-50 [Link]

Iridium-catalyzed [2+2+2] cycloaddition of α,ω-diynes with cyanamides

Toru Hashimoto, Satoshi Ishii, Reiko Yano, Hiroko Miura, Ken Sakata, Ryo Takeuchi, Adv. Synth. Catal. 2015, 357, 3901-3916 [Link]

Iridium-catalyzed [2+2+2] cycloaddition of α,ω-diynes with alkynyl ketones and alkynyl esters

Toru Hashimoto, Arisa Okabe, Takeshi Mizuno, Mao Izawa, Ryo Takeuchi, Tetrahedron 2014, 70, 8681-8689 [Link]

Iridium-mediated [2+2+2] cycloaddition

Ryo Takeuchi, Transition-Metal-Mediated Aromatic Ring Construction, 2013, 161-181, Wiley-VCH, Ed. Ken Tanaka [Link]

Stereoselective synthesis of either (E)- or (Z)-silyl enol ether from the same acyclic α,β-unsaturated ketone using cationic rhodium complex-catalyzed 1,4-hydrosilylation

Gen Onodera, Ryosuke Hachisuka, Tomomi Noguchi, Hiroki Miura, Toru Hashimoto, Ryo Takeuchi, Tetrahedron Lett. 2014, 55, 310-313 [Link]