Keio University

Presentations

Tsutsumi, Ryosuke

21-40 items (total 47)

Catalytic Enantioselective Oxidation of N-Sulfonyl Imines Using Hydrogen Peroxide

Speaker
Ryosuke Tsutsumi, Daisuke Uraguchi, Takashi Ooi
Conference Title
[Conference Category International presentation] Conference Title The Twelfth International Kyoto Conference on New Aspects of Organic Chemistry (IKCOC-12)(Venue Kyoto) Dates 2012.11 - 2012.11
Invitation Status
Without
Presentation Format
International presentation
Language of Publication
English
Conference Category
Poster presentation

Improved Synthesis of brevisamide, a Marine Monocyclic Ether Amide from a Dinoflagellate Karenia brevis

Speaker
○TSUTSUMI, Ryosuke, KURANAGA, Takefumi, SHIRAI, Tomohiro, SATAKE, Masayuki, WRIGHT, Jeffrey L. C, TACHIBANA, Kazuo
Conference Title
[Conference Category Domestic presentation] Dates 2010.03 - 2010.03
Organizer
The Chemical Society of Japan
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Oral presentation (general)

Late-Stage Activation Strategy for Asymmetric Oxidation with Hydrogen Peroxide: Application to the Synthesis of Chiral Oxaziridine

Speaker
Ryosuke Tsutsumi, Daisuke Uraguchi, Takashi Ooi
Conference Title
[Conference Category International presentation] Conference Title Japan-USA Organocatalytic Symposium in Hawaii (2012) Dates 2012.12 - 2012.12
Invitation Status
Without
Presentation Format
International presentation
Language of Publication
English
Conference Category
Poster presentation

Synthesis of Brevisamide, a Marine Monocyclic Ether Amide from a Dinoflagellate Karenia brevis

Speaker
○Ryosuke Tsutsumi, Takefumi Kuranaga, Tomohiro Shirai, Emiko Ito, Masayuki Satake, Jeffrey L. C. Wright, Kazuo Tachibana
Conference Title
[Conference Category Domestic presentation] Dates 2010.05 - 2010.05
Organizer
Japanese Society for Chemical Biology
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Poster presentation

The Improved Synthesis of brevisamide, a Marine Monocyclic Ether Amide

Speaker
○Ryosuke Tsutsumi, Takefumi Kuranaga, Tomohiro Shirai, Jeffrey L. C. Wright, Masayuki Satake, Kazuo Tachibana
Conference Title
[Conference Category Domestic presentation] Dates 2010.05 - 2010.05
Organizer
The Society of Synthetic Organic Chemistry, Japan (Kanto Region)
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Symposium, workshop panel (public)

Synthesis of proposed partial structure of BSX-1, a new marine polycyclic ether from a dinoflagellate Karenia brevisulcata

Speaker
TSUTSUMI, Ryosuke, SATAKE, Masayuki, TACHIBANA, Kazuo
Conference Title
[Conference Category Domestic presentation] Conference Title The 91th Annual Meeting of the Chemical Society of Japan(Venue Kanagawa) Organizer The Chemical Society of Japan Dates 2011.03 - 2011.03
Organizer
The Chemical Society of Japan
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Oral presentation (general)

海産環状エーテルアミド, ブレビサミドの改良合成

Speaker
堤 亮祐, 倉永 健史, 白井 智大, 佐竹 真幸, WRIGHT, Jeffrey L. C, 橘 和夫
Conference Title
[Conference Category Domestic presentation] Dates 2010.03 - 2010.03
Organizer
日本化学会
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Oral presentation (general)

海産環状エーテルアミド天然物ブレビサミドの改良合成

Speaker
堤亮祐, 倉永健史, 白井智大, Jeffrey L. C. Wright, 佐竹真幸, 橘和夫
Conference Title
[Conference Category Domestic presentation] Dates 2010.05 - 2010.05
Organizer
有機合成化学協会関東支部
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Symposium, workshop panel (public)

生物活性解明を目指した海産環状エーテルブレビサミドの合成

Speaker
堤亮祐, 倉永健史, 白井智大, 伊藤恵美子, 佐竹真幸, Jeffrey L. C. Wright, 橘和夫
Conference Title
[Conference Category Domestic presentation] Dates 2010.05 - 2010.05
Organizer
日本ケミカルバイオロジー学会
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Poster presentation

Catalytic Asymmetric Oxidation of N-Sulfonylimines Using Hydrogen Peroxide

Speaker
TSUTSUMI, Ryosuke, URAGUCHI, Daisuke, OOI, Takashi
Conference Title
[Conference Category Domestic presentation] Conference Title The 93th Annual Meeting of the Chemical Society of Japan(Venue Shiga) Organizer The Chemical Society of Japan Dates 2013.03 - 2013.03
Organizer
The Chemical Society of Japan
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Oral presentation (general)

Catalytic Asymmetric Bromolactonization Using Chiral Bisguanidine Catalyst

Speaker
Ryosuke Tsutsumi, Shun Suzuki, Masahiro Yamanaka
Conference Title
[Conference Category Domestic presentation] Conference Title Catalytic Asymmetric Bromolactonization Using Chiral Bisguanidine Catalyst Dates 2019.12.05 - 2019.12.05
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
English
Conference Category
Poster presentation

Metal–Bisamidine Catalyzed Asymmetric Friedel–Crafts Reactions for β,γ-Unsaturated α-Ketoesters

Speaker
Tomoki Hasebe, Mizuki Nambu, Ryosuke Tsutsumi, Masahiro Yamanaka
Conference Title
[Conference Category International presentation] Conference Title The 1st International Symposium on Hybrid Catalysis for Enabling Molecular Synthesis on Demand Dates 2019.05.31 - 2019.05.31
Invitation Status
Without
Presentation Format
International presentation
Language of Publication
English
Conference Category
Poster presentation

アミジニウム-カルボキシレート塩橋に基づく新規超分子不斉触媒の開発

Speaker
Chikashi, Yazaki, Ryosuke, Tsutsumi, Masahiro, Yamanaka
Conference Title
[Conference Category Domestic presentation] Conference Title The 98th CSJ Annual Meeting Dates 2018.03.21 - 2018.03.21
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Poster presentation

Computational Study of Reactions of Aryllithiums with S-arylphenothiazinium Ions

Speaker
Tatsuya Morofuji, Tatsuki Yoshida, Ryosuke Tsutsumi, Masahiro Yamanaka, Naokazu Kano
Conference Title
[Conference Category Domestic presentation] Conference Title The 100th Annual Meeting of Chemical Society of Japan Dates 2020.03.23 - 2020.03.23
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Oral presentation (general)

Development of new chiral 2,2’-bipyridine ligands bearing corboxamide groups

Speaker
Akari Kimura, Ryosuke Tsutsumi, Masahiro Yamanaka
Conference Title
[Conference Category Domestic presentation] Conference Title The 98th CSJ Annual Meeting Dates 2018.03.21 - 2018.03.21
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Poster presentation

CD and CPL Characteristics of Hydrogen-Bonding Complexes Consisting of Chiral Diamines and Achiral Dyes

Speaker
Taku Isogai, Yaoki Kansaku, Ryosuke Tsutsumi, Masahiro Yamanaka
Conference Title
[Conference Category Domestic presentation] Conference Title The 99th Annual Meeting of Chemical Society of Japan Dates 2019.03.17 - 2019.03.17
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Poster presentation

Development of New Chiral 2,2’-Bipyridine Ligands Bearing Prolinol Moieties

Speaker
Akari Kimura, Ryosuke Tsutsumi, Masahiro Yamanaka
Conference Title
[Conference Category Domestic presentation] Conference Title The 99th Annual Meeting of Chemical Society of Japan Dates 2019.03.18 - 2019.03.18
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Poster presentation

Control of Chiral Space in Zinc Bisamidinate Catalyzed Asymmetric Addition of Et2Zn to α-Ketoesters

Speaker
Tomomi Kurita, Ryosuke Tsutsumi, Masahiro Yamanaka
Conference Title
[Conference Category Domestic presentation] Conference Title The 98th CSJ Annual Meeting Dates 2018.03.21 - 2018.03.21
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Poster presentation

Enantioselective Three-Component Coupling Reaction of α-Ketoesters, Phosphite, and Aldehydes Using Zinc Bisamidinate Catalyst

Speaker
Tomoaki Takatoku, Ryousuke Tsutsumi, Masahiro Yamanaka
Conference Title
[Conference Category Domestic presentation] Conference Title The 99th Annual Meeting of Chemical Society of Japan Dates 2019.03.18 - 2019.03.18
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Poster presentation

Asymmetric Borylation of α,β-Unsaturated Carbonyl Compounds by Using Chiral Bipyridine Ligand with Substrate Recognition Site

Speaker
Ryosuke Tsutsumi, Rika Taguchi, Kota Hoshi, Masahiro Yamanaka
Conference Title
[Conference Category Domestic presentation] Conference Title The 101st Annual Meeting of Chemical Society of Japan Dates 2021.03.19 - 2021.03.19
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Oral presentation (general)