Takehara T - Search Results

1

Chiral Phosphoric Acid-Catalyzed Enantioselective Synthesis of 2,2-Disubstituted 2,3-Dihydro-4-quinolones from Isatins and 2'-Aminoacetophenones.

Andatsu H, Terashima Y, Kawamura R, Matsuda Y, Takehara T, Suzuki T, Yasukawa N, Nakamura S. Andatsu H, et al. Among authors: takehara t. Org Lett. 2025 Jan 10;27(1):258-263. doi: 10.1021/acs.orglett.4c04249. Epub 2024 Dec 24. Org Lett. 2025. PMID: 39718907

2

Enantioselective Pictet-Spengler Reaction of Acyclic α-Ketoesters Using Chiral Imidazoline-Phosphoric Acid Catalysts.

Nakamura S, Matsuda Y, Takehara T, Suzuki T. Nakamura S, et al. Among authors: takehara t. Org Lett. 2022 Feb 4;24(4):1072-1076. doi: 10.1021/acs.orglett.1c04316. Epub 2022 Jan 26. Org Lett. 2022. PMID: 35080408

3

Enantioselective Reaction of N-Unprotected Activated Ketimines with Phosphine Oxides Catalyzed by Chiral Imidazoline-Phosphoric Acids.

Ogura K, Isozumi I, Takehara T, Suzuki T, Nakamura S. Ogura K, et al. Among authors: takehara t. Org Lett. 2022 Nov 4;24(43):8088-8092. doi: 10.1021/acs.orglett.2c03457. Epub 2022 Oct 24. Org Lett. 2022. PMID: 36278904

4

Direct Catalytic Enantioselective Reaction of α-Isocyanoacetonitriles with Ketimines Using Cinchona Alkaloid Amide-Cu(II) Catalysts.

Nakamura S, Kibe M, Takehara T, Suzuki T. Nakamura S, et al. Among authors: takehara t. Org Lett. 2023 Feb 17;25(6):1040-1044. doi: 10.1021/acs.orglett.3c00259. Epub 2023 Feb 7. Org Lett. 2023. PMID: 36749377

5

Enantioselective Construction of Consecutive Tetrasubstituted Stereogenic Centers by Reaction of α-Substituted β-Nitroacrylates with Oxazol-5-(4H)-ones Catalyzed by Cinchona Alkaloid Sulfonamide Catalysts.

Fujita K, Hattori M, Takehara T, Suzuki T, Nakamura S. Fujita K, et al. Among authors: takehara t. Org Lett. 2023 Apr 28;25(16):2835-2839. doi: 10.1021/acs.orglett.3c00783. Epub 2023 Apr 17. Org Lett. 2023. PMID: 37067189

6

Asymmetric Conjugate Addition of Phosphine Sulfides to α-Substituted β-Nitroacrylates Using Cinchona Alkaloid Amide Catalysts.

Miyake K, Iwamura A, Fujita K, Takehara T, Suzuki T, Yasukawa N, Nakamura S. Miyake K, et al. Among authors: takehara t. Org Lett. 2024 Oct 4;26(39):8233-8238. doi: 10.1021/acs.orglett.4c02643. Epub 2024 Sep 20. Org Lett. 2024. PMID: 39302210

7

Quinoidal Oligothiophenes Having Full Benzene Annelation: Synthesis, Properties, Structures, and Acceptor Application in Organic Photovoltaics.

Yamamoto K, Jinnai S, Takehara T, Suzuki T, Ie Y. Yamamoto K, et al. Among authors: takehara t. Org Lett. 2020 Jan 17;22(2):547-551. doi: 10.1021/acs.orglett.9b04314. Epub 2019 Dec 31. Org Lett. 2020. PMID: 31891514

8

Asymmetric synthesis of tetrasubstituted cyclic amines via aza-Henry reaction using cinchona alkaloid sulfonamide/zinc(II) catalysts.

Yasukawa N, Yamanoue A, Takehara T, Suzuki T, Nakamura S. Yasukawa N, et al. Among authors: takehara t. Chem Commun (Camb). 2022 Jan 27;58(9):1318-1321. doi: 10.1039/d1cc06492d. Chem Commun (Camb). 2022. PMID: 34950940

9

Enantioselective One-Pot Synthesis of Cyclopropane-Fused Tetrahydroquinolines via a Ru-Catalyzed Intramolecular Cyclopropanation.

Tsujihara T, Nishino K, Miura W, Chiba A, Hayashi W, Yoshida C, Takehara T, Suzuki T, Kawano T. Tsujihara T, et al. Among authors: takehara t. Org Lett. 2024 Aug 2;26(30):6502-6506. doi: 10.1021/acs.orglett.4c02416. Epub 2024 Jul 24. Org Lett. 2024. PMID: 39046795

10

Iridium-Catalyzed Isomerization/Cycloisomerization/Aromatization of N-Allyl-N-sulfonyl-o-(λ¹-silylethynyl)aniline Derivatives to Give Substituted Indole Derivatives.

Qiu J, Sako M, Tanaka T, Matsuzaki T, Takehara T, Suzuki T, Ohno S, Murai K, Arisawa M. Qiu J, et al. Among authors: takehara t. Org Lett. 2021 Jun 4;23(11):4284-4288. doi: 10.1021/acs.orglett.1c01231. Epub 2021 May 25. Org Lett. 2021. PMID: 34032456

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