Kyushu University Academic Staff Educational and Research Activities Database
List of Presentations
Takashi Ohshima Last modified date:2019.12.23

Professor / Department of Pharmaceutical Health Care and Sciences / Department of Chemo-Pharmaceutical Sciences / Faculty of Pharmaceutical Sciences


Presentations
1. Yohei Matsumoto, Jun Sawamura, Yumi Murata, Takashi Nishikata, Ryo Yazaki, Takashi Ohshima, Radical Cross-Coupling of Amino Acid Schiff Bases for Highly Congested Unnatural α-Amino Acid Synthesis(Poster), The 2nd Japan Germany Singapore Trilateral Symposium on Precision Synthesis and Catalysis and 4th International Symposium on Precisely Designed Catalysts with Customized Scaffolding, 2019.12.
2. Tsukushi Tanaka, ◯Ryo Yazaki, Takashi Ohshima, Chemoselective Catalytic α-Oxidation of Carboxylic Acids(Poster), The 2nd Japan Germany Singapore Trilateral Symposium on Precision Synthesis and Catalysis and 4th International Symposium on Precisely Designed Catalysts with Customized Scaffolding, 2019.12.
3. Tsukushi Tanaka, Ryo Yazaki, Takashi Ohshima, Catalytic α–Oxidation of Carboxylic Acids via Radical Process(Poster), International Joint Symposium on Synthetic Organic Chemistry, 2019.11.
4. 田中津久志, Catalytic α–Functionalization of Carboxylic Acid Equivalents and Carboxylic Acids via Radical Process Molecular Recognition of Macromolecules for Artificial Enzyme(Oral), 第10回 大津会議 Otsu Conference 2019, 2019.10.
5. Ryo Yazaki, Seiya Taninokuchi, Keisuke Tokumasu, Tsukushi Tanaka, Takashi Ohshima, Acylpyrazole as Carboxylic Acid Equivalent Platform for Chemoselective Catalysis(Poster), 27th International Society of Heterocyclic Chemistry Congress (ISHC-27), 2019.09.
6. Hai-Long Xin, Toru Deguchi, Walaa Akkad, Hiroyuki Morimoto, Takashi Ohshima, Development of Unactivated Bond Cleavage and Its Application for Removal of Directing Groups(Oral), 258nd American Chemical Society National Meeting & Exposition, 2019.08.
7. Hiroyuki Morimoto, Yuta Kondo, Kazuhiro Morisaki, Tetsuya Kadota, Yoshinobu Hirazawa, Takashi Ohshima, Development of New Catalytic Synthetic Methods of N-Unprotected Ketimines(Oral), The 4rd International Symposium on Process Chemistry (ISPC 2019), 2019.07.
8. Hai-Long Xin, Toru Deguchi, Walaa Akkad, Hiroyuki Morimoto, Takashi Ohshima, Development of Unactivated Bond Cleavage and Its Application for Removal of Directing Groups(Oral), 第17回次世代を担う有機化学シンポジウム, 2019.05.
9. Tsukushi Tanaka, Kayoko Hashiguchi, Takafumi Tanaka, Ryo Yazaki, Takashi Ohshima, Catalytic Oxidative α-Benzylation of Carboxylic Acid Equivalents(Poster), The 1st International Symposium on Hybrid Catalysis, 2019.05.
10. Yohei Matsumoto, Daiki Nakatake, Taro Tsuji, Ryo Yazaki, Takashi Ohshima, The Utility of Thionoesters as 1,2-Dipolarophile for Cycloaddition Reactions(Poster), The 27th French-Japanese Symposium on Medicinal and Fine Chemistry, 2019.05.
11. Takashi Ohshima, Takafumi Tanaka, Tsukushi Tanaka, Taro Tsuji, Ryo Yazaki , Catalytic Chemoselective Cross-Enolate Coupling Reaction (Poster), The 4th International Symposium on Middle Molecular Strategy (ISMMS-4), 2018.11.
12. Takashi Ohshima, Construction of Tetrasubstituted Carbon Stereocenters via Catalytic Nucleophilic Additions to N-Unprotected Ketimines (Invited Lecture), 6th Japan–UK Symposium on Asymmetric Catalysis, 2018.11.
13. Takashi Ohshima, Catalytic Chemoselective Cross-Enolate Coupling Reaction via a Transient Homo-Coupling Dimer (Invited Lecture), The 13th International Symposium on Organic Reactions (ISOR-13), 2018.11.
14. Takashi Ohshima, Catalytic Chemoselective Cross-Enolate Coupling Reaction via a Transient Homo-Coupling Dimer (Poster), Tateshina Conference on Organic Chemistry, 2018.11.
15. Takashi Ohshima, Takafumi Tanaka, Tsukushi Tanaka, Taro Tsuji, Ryo Yazaki, Catalytic Chemoselective Cross-Enolate Coupling Reaction via a Transient Homo-Coupling Dimer (Poster), The 13th International Conference on Cutting-Edge Organic Chemistry in Asia (ICCEOCA-13), 2018.11.
16. Takashi Ohshima, Catalytic Addition of Various Nucleophile to N-Unprotected Ketimines for the Synthesis of Unnatural N-Amino Acid Derivatives(Invited Lecture), The 1st Scripps Korea Society Symposium, 2018.08.
17. Takashi Ohshima, Catalytic Addition of Various Nucleophile to N-Unprotected Ketimines for the Synthesis of Unnatural N-Amino Acid Derivatives (Invited Lecture), Seoul National University Department Seminar, 2018.08.
18. Takashi Ohshima, Development of Direct Catalysis without Using Protecting or Activating Group (Invited Lecture), Asian Core Program Lectureship (Taiwan), 2018.08.
19. Takashi Ohshima, Development of Direct Catalysis without Using Protecting or Activating Group (Invited Lecture), Asian Core Program Lectureship (Taiwan), 2018.08.
20. Takashi Ohshima, Development of Direct Catalysis without Using Protecting or Activating Group (Invited Lecture), Asian Core Program Lectureship (Taiwan), 2018.08.
21. Takashi Ohshima, Development of Direct Catalysis without Using Protecting or Activating Group (Invited Lecture), Heidelberg University Department Seminar, 2018.07.
22. Takashi Ohshima, Das Amrita, Takumi Kimijima, Kenji Watanabe, Development of Mild and Selective Oxidative Heck Reaction to Derivatize Complex Molecules and Reactivity Study of Heteroarenes(Poster), 28th International Conference on Organometallic Chemistry (ICOMC-2018), 2018.07.
23. Hai-Long Xin, Walaa Akkad, Hiroyuki Morimoto, Takashi Ohshima, Uncatalyzed direct C-C Bond Cleavage of 2-Acylimidazoles(Oral), The 139th Annual Meeting of the Pharmaceutical Society of Japan, 2019.03.
24. Hai-Long Xin, Walaa Akkad, Hiroyuki Morimoto, Takashi Ohshima, Uncatalyzed direct C-C Bond Cleavage of 2-Acylimidazoles(Oral), The 99th Chemical Society of Japan Annual Meeting, 2019.03.
25. Ryo Yazaki, Tsukushi Tanaka, Kayoko Hashiguchi, Takafumi Tanaka, Takashi Ohshima, Chemoselective Catalytic Dehydrogenative Cross Coupling of 2-Acylimidazoles(Poster), The 14th International Kyoto Conference on New Aspects of Organic Chemistry (IKCOC-14), 2018.11.
26. Hai-Long Xin, Walaa Akkad, Hiroyuki Morimoto, Takashi Ohshima, Uncatalyzed C–C bond cleavage of 2-acylimidazoles(Poster), The 14th International Kyoto Conference on New Aspects of Organic Chemistry (IKCOC-14), 2018.11.
27. Hai-Long Xin, Walaa Akkad, Hiroyuki Morimoto, Takashi Ohshima, Uncatalyzed C–C bond cleavage of 2-acylimidazoles(Poster), The 35rd organic synthetic chemistry seminar, 2018.09.
28. Walaa Akkad, Ryohei Yonesaki, Yuta Kondo, Masanao Sawa, Kazuhiro Morisaki, Hiroyuki Morimoto, Takashi Ohshima, Mechanistic studies of BINOL-derived phosphoric acid as effective catalysts in direct enantioselective Friedel-Crafts-type alkylation of N-unprotected alpha-ketiminoester(Poster), 第30回若手研究者のためのセミナー, 2018.09.
29. Tsukushi Tanaka, Kayoko Hashiguchi, Takafumi Tanaka, Ryo Yazaki, Takashi Ohshima, Catalytic Oxidative α-Benzylation of Carboxylic Acid Equivalents (Poster), 4th International Symposium on C-H Activation (ISCHA-4), 2018.08.
30. Daiki Nakatake, Yohei Matsumoto, Ryo Yazaki, Takashi Ohshima, Efficient use of lower ester compounds: Catalytic transesterification and cycloaddition (Oral), 256nd American Chemical Society National Meeting & Exposition, 2018.08.
31. Hiroyuki Morimoto, Kazuhiro Morisaki,a Masanao Sawa,Ryohei Yonesaki, Kazushi Mashima, Takashi Ohshimaa, Development and Mechanistic Studies of (Phebox)Rh(III)-Catalyzed Direct Enantioselective Alkynylation of α-Ketiminoesters (Oral), The 43rd International Conference on Coordination Chemistry (ICCC2018), 2018.07.
32. Ryohei Yonesaki, Yuta Kondo, ◯Walaa Akkad, Masanao Sawa, Kazuhiro Morisaki, Hiroyuki Morimoto, Takashi Ohshima, Mechanistic studies of BINOL-derived phosphoric acid as effective catalysts in direct enantioselective Friedel-Crafts-type alkylation of N-unprotectedα-ketiminoester(Poster), 第55回化学関連支部合同九州大会, 2018.06.
33. Yuri Tabuchi, Seiya Taninokuchi, Ryo Yazaki, Takashi Ohshima, β-C-H Amination of α-Amino Acid Derivatives (Poster + Short Presentation), 創薬懇話会2018, 2018.06.
34. DEGUCHI Toru, ◯XIN Hailong, MORIMOTO Hiroyuki, OHSHIMA Takashi, Direct Catalytic Alcoholysis of Unactivated 8 Aminoquinoline Amides (口頭発表), 日本化学会第98春季年会, 2018.03.
35. Yazaki Ryo, Tanaka Takafumi, Tanaka Tsukushi, Ohshima Takashi, Chemoselective Oxidative Cross-Enolate Coupling (口頭発表), 日本化学会第98春季年会, 2018.03.
36. Takashi Ohshima, Direct Catalytic Asymmetric Addition of Various Nucleophiles to N-Unprotected Ketimines (Award Lecture), International Congress on Pure & Applied Chemistry (ICPAC) 2018, 2018.03.
37. Ryo Yazaki, Chemoselective Oxidative Cross-Enolate Coupling (Invited Lecture), KU-NTU Joint International Symposium on Pharmaceutical Sciences, 2018.03.
38. Hiroyuki Morimoto, Construction of tetrasubstituted carbon stereocenters via direct catalytic addition to N-unprotected ketimines (Invited Lecture), KU-NTU Joint International Symposium on Pharmaceutical Sciences, 2018.03.
39. Toru Deguchi, Hai-Long Xin, Hiroyuki Morimoto, Takashi Ohshima, Ni(II)-Catalyzed Direct Alcoholysis of Unactivated 8-Aminoquinoline Amides(Poster Presentation), IRCCS-JST CREST Joint Symposium (IMCE), 2018.01.
40. Seiya Taninokuchi, Ryo Yazaki, Takashi Ohshima, Catalytic Aerobic Chemoselective α-Oxidation of Acylpyrazoles(Poster Presentation), IRCCS-JST CREST Joint Symposium (IMCE), 2018.01.
41. Takafumi Tanaka, Tsukushi Tanaka, Ryo Yazaki, Takashi Ohshima, Direct Catalytic Chemoselective Oxidative Cross-Enolate Coupling Reaction Via a Transient Homo-Coupling Dimer(Poster Presentation), IRCCS-JST CREST Joint Symposium (IMCE), 2018.01.
42. Takashi Ohshima, Direct Catalytic Asymmetric Addition of Various Nucleophiles to N-Unprotected Ketimines (Invited Lecture), IRCCS-JST CREST Joint Symposium (IMCE), 2018.01.
43. Takashi Ohshima, Catalytic α-Amination of Acylpyrazoles and Catalytic Addition of Various Nucleophile to N-Unprotected α-Ketimins for the Synthesis of Unnatural α-Amino Acid Derivatives (Invited Lecture), Asian Core Program Lectureship (Singapore), 2018.01.
44. Takashi Ohshima, Catalytic α-Amination of Acylpyrazoles and Catalytic Addition of Various Nucleophile to N-Unprotected α-Ketimins for the Synthesis of Unnatural α-Amino Acid Derivatives (Invited Lecture), Asian Core Program Lectureship (Singapore), 2018.01.
45. Hai-Long Xin, Toru Deguchi, Hiroyuki Morimoto, Takashi Ohshima, Direct Catalytic Alcoholysis of 8-Aminoquinoline Amides(口頭発表), 第34回 日本薬学会九州支部大会, 2017.11.
46. Takashi Ohshima, Direct Catalytic Asymmetric Addition to N-Unprotected Ketimines (Poster Presentation), The Eleventh International Symposium on Integrated Synthesis (ISONIS-11), 2017.11.
47. Takashi Ohshima, μ-Oxo-Dinuclear Iron(III) Catalyzed O-Selective Acylation of Aliphatic and Aromatic Amino Alcohols and Transesterification of tert-Alcohols(Poster Presentation), The 12th International Conference on Cutting-Edge Organic Chemistry in Asia (ICCEOCA-12)/The 3rde Advanced Research Network on Cutting-Edge Organic Chemistry in Asia (ARNCEOCA-3), 2017.11.
48. Takashi Ohshima, New Zinc and Iron Catalysts for Transesterification (Oral Presentation), World Chemistry Conference & Exhibition, 2017.09.
49. Takashi Ohshima, Direct Catalytic Asymmetric Addition of Various Nucleophiles to N-Unprotected Ketimines (Oral Presentation), The 19th IUPAC International Symposium on Organometallic Chemistry Directed Towards Organic Synthesis (OMCOS19), 2017.06.
50. Takashi Ohshima, Direct Catalytic Asymmetric Addition to N-Unprotected Ketimines (Plenary Lecture), International Symposium on Pure & Applied Chemistry (ISPAC) 2017, 2017.06.
51. Takashi Ohshima, Direct Catalytic Asymmetric Addition of Various Nucleophiles to N-Unprotected Ketimines(Oral Presentation), International Symposium on Green Chemistry 2017 (ISGC-2017), 2017.05.
52. Daiki Nakatake, 1. The Development of Transformation Reactions of Lower Esters
2. Late-Stage Derivatization of Polymers, 第8回大津会議, 2017.10.
53. Das Amrita, Kenji Watanabe, Hiroyuki Morimoto, Takashi Ohshima, Boronic Acid-Accelerated Multicomponent Reactions for the Synthesis of α-Substituted Indole-3-acetic Acids, 第64回有機金属化学討論会, 2017.09.
54. Ryo Yazaki, Takafumi Tanaka, Tsukushi Tanaka, Takashi Ohshima, Catalytic chemoselective oxidative cross-enolate coupling Reaction, 第64回有機金属化学討論会, 2017.09.
55. Megumi Noshita, Yuhei Shimizu, Hiroyuki Morimoto, Takashi Ohshima, Hydrazine and Diethylenetriamine Mediated Direct Cleavage of Unactivated Amides, Carbamates, and Ureas, 254nd American Chemical Society National Meeting & Exposition, 2017.08.
56. Daiki Nakatake, Yuki Yokote, Yoshimasa Matsushima, Ryo Yazaki, Takashi Ohshima, Environmentally Friendly Ester Synthesis Reactions Catalyzed by Developed Zinc Catalysts, 8th International Conference on Green and Sustainable Chemistry, 2017.07.
57. Masanao Sawa, Kazuhiro Morisaki, Yuta Kondo, Hiroyuki Morimoto, Takashi Ohshima, Direct Catalytic Asymmetric Mannich-type Reaction of N-Unprotected Ketimines, 8th International Conference on Green and Sustainable Chemistry, 2017.07.
58. Ryohei Yonesaki, Yuta Kondo, Masanao Sawa, Kazuhiro Morisaki, Hiroyuki Morimoto, Takashi Ohshima, Novel C1-Symmetric BINOL Phosphoric Acid-Catalyzed Direct Catalytic Enantioselective Friedel-Crafts Alkylation to N-Unprotected α-Ketiminoester, 29th The International Symposium on Chirality (Chirality2017; ISCD-29), 2017.07.
59. Hai-Long Xin, Toru Deguchi, Hiroyuki Morimoto, Takashi Ohshima, Direct Catalytic Alcoholysis of Unactivated 8-Aminoquinoline Amides, 第54回化学関連支部合同九州大会, 2017.07.
60. Zhao Li, Ryo Yazaki, Takashi Ohshima, Chemo- and Regioselective Catalytic Conjugate Addition of Hydroxy Group over Amino Group, The 19th IUPAC International Symposium on Organometallic Chemistry Directed Towards Organic Synthesis (OMCOS19), 2017.06.
61. Zhao Li, Ryo Yazaki, Takashi Ohshima, Catalytic Hydroxy Group-selective Conjugate Addition of Unprotected Amino Alcohols, 第111回有機合成シンポジウム2017年【春】, 2017.06.
62. Das Amrita, Takumi Kimijima, Kenji Watanabe, Makoto Tsuda, Takashi Ohshima, Development of Mild and Selective Oxidative Heck Reaction to Derivatize Complex Molecules and Reactivity Study of Heteroarenes, International Symposium on Green Chemistry 2017 (ISGC-2017), 2017.05.
63. Takashi Ohshima, Ryo Yazaki, Keisuke Tokumasu, Direct Catalytic Chemoselective α-Amination of Acylpyrazoles: A Concise Route to Unnatural α-Amino Acid Derivatives, International Symposium on Catalysis and Fine Chemicals (C&FC2016), 2016.11.
64. Takashi Ohshima, Kazuhiro Morisaki, Hiroyuki Morimoto, Zn-Catalyzed Direct Alkynylation of N-Unprotected Trifluoromethyl Ketimine, The 11th International Conference on Cutting-Edge Organic Chemistry in Asia (ICCEOCA-11) & The 2nd Advanced Research Network on Cutting-Edge Organic Chemistry in Asia (ARNCEOCA-2), 2016.10.
65. Takashi Ohshima, Catalytic Chemoselective Conjugate Addition of Alcohol over Amine, The 2nd HU-TMU-KU Joint Symposium for Pharmaceutical Sciences, 2016.09.
66. Takashi Ohshima, Rhodium-Catalyzed Direct Enantioselective Alkynylation of Ketimines: Mechanistic Studies and Expansion of Substrate Generality, The 3rd International Conference on Organometallics and Catalysis 2016 (OM&Cat-2016), 2016.08.
67. Takashi Ohshima, Direct Catalytic Chemoselective α-Amination of Acylpyrazoles:A Concise Route to Unnatural α-Amino Acid Derivatives, International Symposium on Pure & Applied Chemistry (ISPAC2016), 2016.08.
68. Takashi Ohshima, Ryo Yazaki, Keisuke Tokumasu, Direct Catalytic Chemoselective α-Amination of Acylpyrazoles, The 27th International Conference on Organometallic Chemistry (ICOMC 2016), 2016.07.
69. Takashi Ohshima, Dinuclear Iron(III) Catalyzed O-Selective Acylation of Aliphatic and Aromatic Amino Alcohols and Transesterification of tert-Alcohols, The International Symposium on Homogeneous Catalysis (ISHC) 2016, 2016.07.
70. Takashi Ohshima, New Zinc and Iron Catalysts for Transesterification, The 2nd International Symposium on Middle Molecular Strategy (ISMMS-2), 2016.07.
71. Takashi Ohshima, Rikiya Horikawa, Chika Fujimoto, Ryo Yazaki, μ-Oxo-Dinuclear Iron(III) Catalyzed O-Selective Acylation of Aliphatic and Aromatic Amino Alcohols and Transesterification of tert-Alcohols, French-Japanese Society of Medicinal and Fine Chemistry (FJS2016), 2016.05.
72. Takashi Ohshima, Ryo Yazaki, Keisuke Tokumasu, Direct Catalytic Chemoselective α-Amination of Acylpyrazoles:A Concise Route to Unnatural α-Amino Acid Derivatives
, The 12th International Symposium on Organic Reactions and The 6th German-Japanese Symposium on Electrosynthesis (ISOR-12 and GJSE-6), 2016.04.
73. Kenji Watanabe, Das Amrita, Takumi Kimijima, Tomohiro Yamashita, Kazuhide Inoue, Makoto Tsuda, Takashi Ohshima, Development of an oxidative Mizoroki-Heck reaction for late-stage C−H functionalization of complex molecules and application to pharmaceutical studies, 日本薬学会第137年会, 2017.03.
74. Hiroyuki Morimoto, Kazuhiro Morisaki, Masanao Sawa, Ryohei Yonesaki, Yuta Kondo, Kazushi Mashima, Takashi Ohshima, Construction of Tetrasubstituted Carbon Stereocenters via Direct Catalytic Nucleophilic Addition to Ketimines, 日本化学会第97春季年会, 2017.03.
75. Zhao Li, Shuhei Uesugi, Masamichi Tamura, Ryo Yazaki, Takashi Ohshima, Chemoselective Catalytic Conjugate Addition of Hydroxy Group over Amino Group, 日本化学会第97春季年会, 2017.03.
76. Takashi Ohshima, Zn-Catalyzed Direct Alkynylation of N-Unprotected Trifluoromethyl Ketimines, The11th International Conference on Cutting-edge Organic Chemistry in Asia (ICCEOCA-11), 2016.10.
77. Daiki Nakatake, Yuki Yokote, Yoshimasa Matsushima, Ryo Yazaki, Takashi Ohshima, Transesterification Reactions Promoted by Newly Developed Zinc Catalysts, The 6th Junior International Conference on Cutting-edge Organic Chemistry in Asia (6th Junior ICCEOCA), 2016.10.
78. Kazuhiro Morisaki, Hiroyuki Morimoto, Takashi Ohshima, Zn-Catalyzed Direct Alkynylation of N-Unprotected Trifluoromethyl Ketimines, The 6th Junior International Conference on Cutting-edge Organic Chemistry in Asia (6th Junior ICCEOCA), 2016.10.
79. Amrita DAS, Takumi Kimijima, Kenji Watanabe, Makoto Tsuda, Takashi Ohshima, Development of oxidative Heck reaction for derivatizing complex molecules and reactivity study of heteroarenes, 第33回有機合成化学セミナー, 2016.09.
80. Kazuhiro Morisaki, Hiroyuki Morimoto, Takashi Ohshima, Development and mechanistic studies of Rh-catalyzed direct enantioselective alkynylation of α-ketiminoesters, 252nd American Chemical Society National Meeting & Exposition, 2016.08.
81. Sawa Masanao, Direct Catalytic Asymmetric Nucleophilic Addition of Ketimines, 野依フォーラム若手育成塾, 2016.07.
82. Zhao Li, Ryo Yazaki, Takashi Ohshima, Catalytic Hydroxy Group-selective Conjugate Addition of Unprotected Aminoalcohols , The 27th International Conference on Organometallic Chemistry (ICOMC 2016), 2016.07.
83. Keisuke Tokumasu, Ryo Yazaki, Takashi Ohshima, Synthesis of α–Amino Acid by Catalytic and Chemoselective α-Amination, The International Symposium on Homogeneous Catalysis (ISHC)2016, 2016.07.
84. Zhao Li, Shuhei Uesugi, Ryo Yazaki, Takashi Ohshima, Chemoselective Catalytic Conjugate Addition of Hydroxy Group over Amino Group, 第14回次世代を担う有機化学シンポジウム, 2016.05.
85. Rikiya Horikawa, Chika Fujimoto, Takafumi Tanaka, Ryo Yazaki, Takashi Ohshima, Development of A Highly Active Iron Catalyst for Transesterification, The 12th International Symposium on Organic Reactions and The 6th German-Japanese Symposium on Electrosynthesis (ISOR-12 and GJSE-6), 2016.04.
86. Masanao Sawa, Kazuhiro Morisaki, Ryohei Yonesaki, Hiroyuki Morimoto, Kazushi Mashima, Takashi Ohshima, Direct Catalytic Asymmetric Alkynylation of Ketimines, Molecular Chirality Asia 2016, 2016.04.
87. Takashi Ohshima, Kazuhiro Morisaki, Masanao Sawa, Ryohei Yonesaki, Hiroyuki Morimoto, Rhodium-Catalyzed Direct Enantioselective Alkynylation of Ketimines: Mechanistic Studies and Expansion of Substrate Generality, The 2015 International Chemical Congress of Pacific Basin Societies (Pacifichem), 2015.12.
88. Takashi Ohshima, Rikiya Horikawa, Chika Fujimoto, Ryo Yazaki, Dinuclear iron complex-catalyzed transesterification: Synthesis of tert-butyl esters and unprecedented chemoselectivity, The 2015 International Chemical Congress of Pacific Basin Societies (Pacifichem), 2015.12.
89. Takashi Ohshima, Direct Catalytic Chemoselective Amination: A Concise Route to α-Amino Acid Derivatives, The 10th International Conference on Cutting-edge Organic Chemistry in Asia (ICCEOCA-10), 2015.11.
90. Takashi Ohshima, Catalytic Chemoselective Conjugate Addition of Alcohol over Amine, The 18th IUPAC International Symposium on Organometallic Chemistry Directed Towards Organic Synthesis (OMCOS 18), 2015.06.
91. Takashi Ohshima, Kazuhiro Morisaki, Masanao Sawa, Ryohei Yonesaki, Hiroyuki Morimoto, Rhodium-Catalyzed Direct Enantioselective Alkynylation of Ketimines: Mechanistic Studies and Expansion of Substrate Generality, The 7th Spanish-Portuguese- Japanese Organic Chemistry Symposium (7th SPJ-OCS), 2015.06.
92. Amrita DAS, Takumi Kimijima, Kenji Watanabe, Makoto Tsuda, Takashi Ohshima, Development of Oxidative Heck Reaction for the Late-Stage C-H Functionalization of Bioactive Compounds, 日本薬学会第136年会, 2016.03.
93. Zhao Li, Ryo Yazaki, Takashi Ohshima, Catalytic β-amino alcohol selective reaction in the presence of other amino alcohol, 日本薬学会第136年会, 2016.03.
94. Kenji Watanabe, Takumi Kimijima, Amrita DAS, Makoto Tsuda, Takashi Ohshima, Development of Oxidative Coupling Reaction for Late-Stage Functionalization of Complex Molecules, 日本化学会第96春季年会(2016), 2016.03.
95. Yuhei Shimizu, Megumi Noshita, Yuri Mukai, Hiroyuki Morimoto, Takashi Ohshima, Cleavage of Unactivated Amide Bonds by Ammonium Salt-Accelerated Hydrazinolysis, The 2015 International Chemical Congress of Pacific Basin Societies (Pacifichem), 2015.12.
96. Ryozo Shibuya, Lu Lin, Takashi Ohshima, Direct catalytic conversion of ammonia and allylic alcohols to primary allylamines at room temperature, The 2015 International Chemical Congress of Pacific Basin Societies (Pacifichem), 2015.12.
97. Ryo Yazaki, Shuhei Uesugi, Zhao Li, Takashi Ohshima, Catalytic chemoselective conjugate addition of alcohols over amines, The 2015 International Chemical Congress of Pacific Basin Societies (Pacifichem), 2015.12.
98. Zhao Li, Ryo Yazaki, Takashi Ohshima, Catalytic hydroxyl group-selective conjugate addition of unprotected amino alcohols, 第45回複素環化学討論会, 2015.11.
99. Takashi Ohshima, Direct Catalytic Chemoselective Amination: A Concise Route to α-Amino Acid Derivatives, The 10th International Conference on Cutting-edge Organic Chemistry in Asia (ICCEOCA-10), 2015.11.
100. Kazuhiro Morisaki, Masanao Sawa, Ryohei Yonesaki, Jun-ya Nomaguchi, Yousuke Takeuchi, Hiroyuki Morimoto, Kazushi Mashima, Takashi Ohshima, Direct Catalytic Enantioselective Alkynylation of Ketimines, The 5th Junior International Conference on Cutting-edge Organic Chemistry in Asia (5th Junior ICCEOCA), 2015.11.
101. Zhao Li, Ryo Yazaki, Takashi Ohshima, Catalytic Hydroxyl Group Selective Conjugate Addition of Unprotected Amino Alcohols, 第62回有機金属化学討論会, 2015.09.
102. Rikiya Horikawa, Chika Fujimoto, Ryo Yazaki, Takashi Ohshima, Development of A Highly Active Iron Catalyst for Transesterification, The 3rd International Symposium on Process Chemistry (ISPC 2015), 2015.07.
103. Masanao Sawa, Kazushiro Morisaki, Ryohei Yonesaki, Hiroyuki Morimoto, Kazushi Mashima, Takashi Ohshima, Direct Catalytic Asymmetric Alkynylation of Ketimines, 7th International Conference on Green and Sustainable Chemistry - 4th JACI-GSC Symposium, 2015.07.
104. Takashi Ohshima, Development of Rhodium-Catalyzed Direct Enantioselective Alkynylation of α-Ketiminoesters, 8th Singapore International Chemical Conference (SICC8), 2014.12.
105. Takashi Ohshima, Catalyst Control of Chemoselectivity for the Development of New Green Processes, Nanyang Technological University Department Seminar, 2014.12.
106. Takashi Ohshima, Catalyst Control of Chemoselectivity for the Development of New Direct Catalyses, Asian Core Program Lectureship (Korea), 2014.10.
107. Takashi Ohshima, Catalyst Control of Chemoselectivity for the Development of New Direct Catalyses, Asian Core Program Lectureship (Korea), 2014.10.
108. Takashi Ohshima, Catalyst Control of Chemoselectivity for the Development of New Direct Catalyses, Asian Core Program Lectureship (Korea), 2014.09.
109. Takashi Ohshima, Platinum-Catalyzed Direct Substitution of Allylic Alcohols with Nitrogen and Carbon Nucleophiles and Its Application to Short Total Synthesis of (–)-α-Kainic Acid, IGER International Symposium on Chemical Science in Asia, 2014.05.
110. Takashi Ohshima, Platinum-Catalyzed Direct Substitution of Allylic Alcohols with Nitrogen Nucleophiles and its Application to Short Total Synthesis of (-)-α-Kainic Acid, Vietnam Malaysia International Chemical Congress (VMICC), 2014.11.
111. Takashi Ohshima, Catalytic Chemoselective Conjugate Addition of Alcohols over Amines, Malaysian International Chemical Congress (18MICC) , 2014.11.
112. Kazuhiro Morisaki, Catalytic Protection via Reversible Tethering~Beyond Classical Reactivity~, Otsu Conference, 2014.10.
113. Kazushiro Morisaki, Masanao Sawa, Jun-ya Nomaguchi, Hiroyuki Morimoto, Yosuke Takeuchi, Kazushi Mashima, Takashi Ohshima, Rh-Catalyzed Direct Enantioselective Alkynylation of Ketimines, 5th Otsu Conference 2014, 2014.10.
114. Daiki Nakatake, Yuki Yokote, Ryo Yazaki, Takashi Ohshima, A Highly Practical and Reusable Zinc Catalyst for Transesterification, 17th International Symposium on Small Particles and Inorganic Clusters, 2014.09.
115. Takashi Ohshima, Catalytic Chemoselective Conjugate Addition of Alcohols over Amines, 2014 Pusan-Kyushu International Joint Semina, 2014.08.
116. Ming Zhang, Kenji Watanabe, Masafumi Tsukamoto, Ryozo Shibuya, Hiroyuki Morimoto, Takashi Ohshima, Pt-Catalyzed Allylic Aminations: Application to a Short and Practical Total Synthesis of (-)-α-Kainic Acid, XXXVI International Conference on Organometallic Chemistry (ICOMC2014), 2014.07.
117. Kazushiro Morisaki, Masanao Sawa, Jun-ya Nomaguchi, Hiroyuki Morimoto, Yosuke Takeuchi, Kazushi Mashima, Takashi Ohshima, Rh(III)/Phebox-Catalyzed Direct Enantioselective Alkynylation of α-Ketiminoesters, XXXVI International Conference on Organometallic Chemistry (ICOMC2014), 2014.07.
118. Ryozo Shibuya, ◯Lu Lin, Yasuhito Nakahara, Hiroyuki Morimoto, Kazushi Mashima, Takashi Ohshima, Dual Platinum and Pyrrolidine Catalysis in the Direct Alkylation of Allylic Alcohols: Selective Synthesis of Monoallylation Products, 日本薬学会第134年会, 2014.03.
119. Bei Liu, Nisha Pang, Ryoko Honda, Risa Fujiwara, Kenji Watanabe, Hiroyuki Morimoto, Takashi Ohshima, Yuka Iwasaki, Makoto Ohira, Chika Tanaka, Michitaka Kuroki, Tatsuhiko Kitamura, Naoki Matsuo, Kazuma Yoshida, Nozomi Sugimoto, Masatoshi Fujita, Development of Novel Anticancer Drugs Inhibiting the Mitotic-Phase of the Cell Cycle, 日本薬学会第134年会, 2014.03.
120. Takashi Ohshima, Catalyst Control of Chemoselectivity for the Development of New Direct Catalyses, Dr. Harisingh Gour University, 2014.01.
121. Ming Zhang, Kenji Watanabe, Masafumi Tsukamoto, Ryozo Shibuya, Hiroyuki Morimoto, Takashi Ohshima, Short-Step Synthesis of (-)-α-Kainic Acid via Pt-catalyzed Allylic Aminations, The Eighth International Symposium on Integrated Synthesis (ISIS-8) , 2013.11.
122. Takashi Ohshima, Ryo Yazaki, Shuhei Uesugi, Li Zhao, Catalytic Chemoselectivity Conjugate Addition of Alcohol over Amine, The 8th International Conference on Cutting-Edge Organic Chemistry in Asia (ICCEOCA-8)/The 4th New Phase International Conference on Cutting-Edge Organic Chemistry in Asia (NICCEOCA-4), 2013.11.
123. Takashi Ohshima, Catalyst Control of Chemoselectivity for the Development of New Direct Catalyses, 第23回 光学活性化合物シンポジウム, 2013.11.
124. Takashi Ohshima, Catalyst Control of Chemoselectivity for the Development of New Direct Catalyses, Lecture at Hangzhou Normal University, 2013.10.
125. Takashi Ohshima, Catalyst Control of Chemoselectivity for the Development of New Direct Catalyses, Lecture at Fudan University, 2013.10.
126. Takashi Ohshima, Catalyst Control of Chemoselectivity for the Development of New Direct Catalyses, Lecture at Shanghai Institute of Materia Medica, 2013.10.
127. Takashi Ohshima, Catalyst Control of Chemoselectivity for the Development of New Direct Catalyses, Lecture at East China Normal University, 2013.10.
128. Takashi Ohshima, Catalyst Control of Chemoselectivity for the Development of New Direct Catalyses, Lecture at Shanghai Institute of Organic Chemistry, 2013.10.
129. Takashi Ohshima, Catalyst Control of Chemoselectivity for the Development of New Direct Catalyses, Lecture at University of Science and Technology of China, 2013.10.
130. 澁谷亮三, Lu Lin, 中原靖人, 真島和志, 大嶋孝志, Platinum-Catalyzed Direct Substitution of Allylic Alcohols, 第4回大津会議, 2013.10.
131. Takashi Ohshima, Catalyst Control of Chemoselectivity for the Development of New Direct Catalyses, Lecture at Nanjing University, 2013.10.
132. Kazushi Agura, Yukiko Hayashi, Mari Wada, Mashima Kazushi, Takashi Ohshima, Ligand Effects on Tetranuclear Zinc Cluster-catalyzed Transesterification and Transformation of α-ketoesters, OMCOS17, 2013.07.
133. Takashi Ohshima, Kazuhiro Morisaki, Masanao Sawa, Jun-ya Nomaguchi, Hiroyuki Morimoto, Yosuke Takeuchi, Kazushi Mashima, Rh-Catalyzed Direct Enantioselective Alkylation of α-Ketoiminoesters, OMCOS17, 2013.07.
134. Ryozo Shibuya, Lu Lin, Yasuhito Nakahara, Kazushi Mashima, Takashi Ohshima, Dual Platinum and Pyrrolidine Catalysis in Direct Alkylation of Allylic Alcohols: Selective Synthesis of Monoallylation products, 20th International Symposium of Olefin Metathesis and Related Chemistry(ISOM XX), 2013.07.
135. Takashi Ohshima, Kazuhiro Morisaki, Masanao Sawa, Jun-ya Nomaguchi, Hiroyuki Morimoto, Yosuke Takeuchi, Kazushi Mashima, Rh-Catalysed Direct Enantioselective Alkynylation of α-Ketiminoesters, Thieme Nagoya Symposium, 2013.05.
136. Takashi Ohshima, Development of Direct Transformations, Twenty-third French-Japanese Symposium on Medicinal and Fine Chemistry (FJS-2013), 2013.05.
137. Kazushiro Morisaki, Masanao Sawa, Jun-ya Nomaguchi, Hiroyuki Morimoto, Yosuke Takeuchi, Kazushi Mashima, Takashi Ohshima, Rh-Catalysed Direct Enantioselective Alkynylation of α-Ketiminoesters, Twenty-third French-Japanese Symposium on Medicinal and Fine Chemistry (FJS-2013), 2013.05.
138. Hiroyuki Morimoto, Risa Fujiwara, Yuhei Shimizu, Kazushiro Morisaki, Takashi Ohshima, Lanthanum Triflate-Catalyzed Direct Amidation of Esters with Amines, Twenty-third French-Japanese Symposium on Medicinal and Fine Chemistry (FJS-2013), 2013.05.
139. Ming Zhang, Masafumi Tsukamato, Ryozo Shibuya, Hiroyuki Morimoto, Takashi Ohshima, Study of Short-Step Synthesis of Kainic Acid via Pt-Catalyzed Direct Allylic Aminations, 日本薬学会第133年会, 2013.03.
140. Takashi Ohshima, Yuhei Shimizu, Hiroyuki Morimoto, Ming Zhang, Deacylation of Unactivated Amides to Amines Using Ammonium Salt-Accelerated Transamidation, The 7th International Conference on Cutting-Edge Organic Chemistry in Asia (ICCEOCA-7)/The 3rd New Phase International Conference on Cutting-Edge Organic Chemistry in Asia (NICCEOCA-3), 2012.12.
141. Mari Wada, Yukiko Hayashi, Kazushi Agura, Kazushi Mashima, Takashi Ohshima, Transesterification of β-Ketoesters Catalyzed by Tetranuclear Zinc Cluster
亜鉛四核クラスター触媒を用いたβケトエステルのエステル交換反応, 第59回有機金属化学討論会, 2012.09.
142. Kazushi Agura, Kazushi Mashima, Takashi Ohshima, Development of New Chiral Dinuclear metal Complexes and Their Catalytic Activities, 第59回有機金属化学討論会, 2012.09.
143. Kazushiro Morisaki, Jun-ya Nomaguchi, Masanao Sawa, Hiroyuki Morimoto, Yosuke Takeuchi, Kazushi Mashima, Takashi Ohshima, Rh-Catalyzed Direct Asymmetric Alkynylation of α-Ketoiminoesters ロジウム触媒によるα-ケトイミノエステルの直接的不斉アルキニル化反応の開発, 第59回有機金属化学討論会, 2012.09.
144. Hiroyuki Morimoto, Yuhei Shimizu, Ming Zhang, Megumi Noshita, Takashi Ohshima, Amide Bond Cleavage via Transamidation: Ammonium-Salt-Accelerated Deacylation of Unactivated Amides, 第6回武田科学振興財団薬科学シンポジウム, 2012.09.
145. Hiroyuki Morimoto, Yuhei Shimizu, Ming Zhang, Megumi Noshita, Takashi Ohshima, Amide Bond Cleavage via Transamidation: Ammonium-Salt-Accelerated Deacylation of Unactivated Amides, 第11回創薬リサーチコア&第10回若手セミナー, 2012.09.
146. Takashi Ohshima, Kazushiro Morisaki, Jun-ya Nomaguchi, Hiroyuki Morimoto, Takahito Kawabata, Yosuke Takeuchi, Kazushi Mashima, Rh-Phebox-Catalyzed Asymmetric Alkynylation of α-Ketoesters and α-Ketoiminoesters, 13th Beligian Organic Synthesis Symposium BOSS 2012, 2012.07.
147. 澁谷亮三, 中原靖人, 真島和志, 大嶋 孝志, Platinum-Catalyzed Direct Alkylation of Allylic Alcohols, 第45回有機金属若手の会, 2012.07.
148. Platinum-Catalyzed Direct Alkylation of Allylic Alcohols.
149. Kazushiro Morisaki, Jun-ya Nomaguchi, Hiroyuki Morimoto, Yosuke Takeuchi, Kazushi Mashima, Takashi Ohshima, Rh-Catalyzed Direct Catalytic Asymmetric Alkynylation of α-Ketoiminoesters, Symposium Molecular Chirality ASIA 2012, 2012.05.
150. C1-Symmetric Rh-Phebox-Catalyzed Asymmetric Alkynylation of α-Keto Ester, The 1st Junior International Conference on Cutting-Edge Organic Chemistry in Asia (1st JACP), China, Dec.2011.
151. Takashi Ohshima, Development of New Direct Catalytic Reactions Using Tetranuclear Zinc Clusters, 14th Asian Chemical Congress (14 ACC), 2011.09.
152. Takashi Ohshima, Development of New Direct Catalytic Reactions Using Tetranuclear Zinc Clusters, The International Chemical Congress of Pacific Basin Societies, 2010.12.
153. Amine and Heterocycle Additive Effects on Tetranuclear Zinc Cluster Catalyzed Transesterification, [URL].