発表論文
 
1. Amino Acid Schiff Base Bearing Benzophenone Imine As a Platform for Highly Congested Unnatural α-Amino Acid Synthesis
Yohei Matsumoto, Jun Sawamura, Yumi Murata, Takashi Nishikata, Ryo Yazaki, Takashi Ohshima
J. Am. Chem. Soc. 2020, 142, 8498–8505. DOI: 10.1021/jacs.0c02707
 
1. Chemoselective Catalytic α–Oxidation of Carboxylic Acids: Iron/Alkali Metal Cooperative Redox Active Catalysis
Tsukushi Tanaka, Ryo Yazaki, Takashi Ohshima
J. Am. Chem. Soc. 2020, 142, 4517–4524. DOI: 10.1021/jacs.0c00727
 
1. Recent strategic advances for the activation of benzylic C–H bonds for the formation of C–C bonds
Ryo Yazaki, Takashi Ohshima
Tetrahedron Lett. 2019, 60, 151225. DOI: 10.1016/j.tetlet.2019.151225
 
2. Cross-Dehydrogenative Coupling of Carbonyls for Heterocycle Synthesis
Ryo Yazaki, Takashi Ohshima
Heterocycles via Cross Dehydrogenative Coupling 2019, 213–229. DOI: 10.1007/978-981-13-9144-6_6
 
3. Mechanistic Insight into Catalytic Aerobic Chemoselective α-Oxidation of Acylpyrazoles
Seiya Taninokuchi, Ryo Yazaki, Takashi Ohshima
Heterocycles 2019, 99, 906–918. DOI: 10.3987/COM-18-S(F)58
 
4. Thionoesters as 1,2‐Dipolarophiles for [4+2] Cycloaddition with Cyclobutanones
Yohei Matsumoto, Taro Tsuji, Daiki Nakatake, Ryo Yazaki, Takashi Ohshima
Asian J. Org. Chem. 2019, 8, 1071–1074. DOI: 10.1002/ajoc.201900156
 
5. Chemoselective Catalytic Dehydrogenative Cross-Coupling of 2-Acylimidazoles: Mechanistic Investigations and Synthetic Scope
Tsukushi Tanaka, Kayoko Hashiguchi, Takafumi Tanaka, Ryo Yazaki, Takashi Ohshima
ACS Catal. 2018, 8, 8430–8440. DOI:10.1021/acscatal.8b02361
 
6. Strategy for Catalytic Chemoselective Cross-Enolate Coupling Reaction via a Transient Homocoupling Dimer
Takafumi Tanaka, Tsukushi Tanaka, Taro Tsuji, Ryo Yazaki, Takashi Ohshima
Org. Lett. 2018, 20, 3541–3544. DOI: 10.1021/acs.orglett.8b01313
 
7. Growth Suppression of Human Colorectal Cancer Cells with Mutated KRAS by 3-Deaza-cytarabine in 3D Floating Culture
Hao Luo, Kensuke Nishii, Shusei Ishikura, Anthony Swain, Naoyuki Morishige, Ryo Yazaki, Takashi Ohshima, Senji Shirasawa, Toshiyuki Tsunoda
Anticancer Res. 2018, 38, 4247-4256. DOI: 10.21873/anticanres.12721
 
8. An Expeditious Route to trans‐Configured Tetrahydrothiophenes Enabled by Fe(OTf)3‐Catalyzed [3+2] Cycloaddition of Donor–Acceptor Cyclopropanes with Thionoesters
Yohei Matsumoto, Daiki Nakatake, Ryo Yazaki, Takashi Ohshima
Chem. Eur. J. 2018, 24. 6062–6066. DOI: 10.1002/chem.201800957
  
9. Catalytic Aerobic Chemoselective α-Oxidation of Acylpyrazoles en Route to α-Hydroxy Acid Derivatives
Seiya Taninokuchi, Ryo Yazaki and Takashi Ohshima
Org. Lett. 2017, 19, 3187–3190. DOI: 10.1021/acs.orglett.7b01293
 
10. Catalytic Chemoselective Conjugate Addition of Amino Alcohols to α,β-Unsaturated Ester: Hydroxy Group over Amino Group and Conjugate Addition over Transesterification
Zhao Li, Masamichi Tamura, Ryo Yazaki, Takashi Ohshima
Chem. Pharm. Bull. 2017, 65, 19–21. DOI: 10.1248/cpb.c16-00333
 
11. Chemoselective Transesterification of Acrylate Derivatives for Functionalized Monomer Synthesis Using a Hard Zinc Alkoxide Generation Strategy
Daiki Nakatake, Ryo Yazaki, Takashi Ohshima
Eur. J. Org. Chem. 2016, 3696–3699. DOI: 10.1002/ejoc.201600737
 
12. Chemo- and Regioselective Direct Functional Group Installation through Catalytic Hydroxy Group Selective Conjugate Addition of Amino Alcohols to α,β-Unsaturated Sulfonyl Compounds
Zhao Li, Ryo Yazaki, Takashi Ohshima
Org. Lett., 2016, 18, 3350–3353. DOI: 10.1021/acs.orglett.6b01464
 
13. μ-Oxo-Dinuclear Iron(III) Catalyzed O-Selective Acylation of Aliphatic and Aromatic Amino Alcohols and Transesterification of tert-Alcohols
Rikiya Horikawa, Chika Fujimoto, Ryo Yazaki, Takashi Ohshima
Chem. Eur. J. 2016, 22, 12278–12281. DOI: 10.1002/chem.201602801 (Press Release)
 
14. Transesterification Reaction Catalyzed by Recyclable Heterogeneous Zinc/Imidazole Catalyst
Daiki Nakatake, Ryo Yazaki, Yoshimasa Matsushima, Takashi Ohshima
Adv. Synth. Catal. 2016, 358, 2569–2574. DOI: 10.1002/adsc.201600229 (Press Release)
Synfacts 2016, 12, 1206. DOI: 10.1055/s-0036-1589328
 
15. Direct Catalytic Chemoselective α-Amination of Acylpyrazoles: A Concise Route to Unnatural α-Amino Acid Derivatives
Keisuke Tokumasu, Ryo Yazaki, Takashi Ohshima
J. Am. Chem. Soc., 2016, 138, 2664–2669. DOI: 10.1021/jacs.5b11773 (Press Release)
 
16. A highly stable but highly reactive zinc catalyst for transesterification supported by a bis(imidazole) ligand
Daiki Nakatake, Yuki Yokote, Yoshimasa Matsushima, Ryo Yazaki, Takashi Ohshima
Green Chem., 2016, 18, 1524–1530. DOI: 10.1039/C5GC02056E
 
17. Chemoselective Catalytic Conjugate Addition of Alcohols over Amines
Shuhei Uesugi, Zhao Li, Ryo Yazaki, Takashi Ohshima
Angew. Chem. Int. Ed. 2014, 53, 1611-1615. DOI: 10.1002/anie.201309755
 
18. Cooperative Activation of Alkynes and Thioamides Functionalities; Direct Catalytic　Asymmetric Conjugate Addition of Terminal Alkynes to α,β-Unsaturated Thioamides
Ryo Yazaki, Naoya Kumagai, Masakatsu Shibasaki
Chem. Asian, J. 2011, 6, 1778-1790. DOI: 10.1002/asia.201100050
 
19. Enantioselective Synthesis of a GPR40 Agonist AMG 837 via Catalytic Asymmetric Conjugate Addition of Terminal Alkyne to α,β-Unsaturated Thioamide
Ryo Yazaki, Naoya Kumagai, Masakatsu Shibasaki
Org. Lett. 2011, 13. 952-955. DOI: 10.1021/ol102998w
 
20. Direct Catalytic Asymmetric Conjugate Addition of Terminal Alkynes to α,β-Unsaturated Thioamides
Ryo Yazaki, Naoya Kumagai, Masakatsu Shibasaki
J. Am. Chem. Soc. 2010, 132, 10275-10277. DOI: 10.1021/ja105141x
 
21. Direct Catalytic Asymmetric Addition of Allyl Cyanide to Ketones via Soft Lewis Acid/Hard Brønsted Base/Hard Lewis base Catalysis
Ryo Yazaki, Naoya Kumagai, Masakatsu Shibasaki
J. Am. Chem. Soc. 2010, 132, 5523-5532. DOI: 10.1021/ja101687p
 
22. Direct Catalytic Asymmetric Addition of Allyl Cyanide to Ketones.
Ryo Yazaki, Naoya Kumagai, Masakatsu Shibasaki
J. Am. Chem. Soc. 2009, 131, 3195-3197. DOI: 10.1021/ja900001u
 
23. Direct Catalytic Asymmetric Addition of Allylic Cyanides to Ketoimines.
Ryo Yazaki, Tatsuya Nitabaru, Naoya Kumagai, Masakatsu Shibasaki
J. Am. Chem. Soc. 2008, 130, 14477-14479. DOI: 10.1021/ja806572b