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10 results in Authors: Hiroki Shigehisa

Catalysis

Working Paper

Catalyst- and Silane- Controlled Enantioselective Hydrofunctionalization of Alkenes by Cobalt-Catalyzed Hydrogen Atom Transfer and Radical-Polar Crossover

Kousuke Ebisawa, Kana Izumi, Yuka Ooka, Hiroaki Kato, Sayori Kanazawa, Sayura Komatsu, Eriko Nishi, Hiroki Shigehisa

Version 2 posted 07 May 2020

1,757

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Catalysis

Working Paper

Direct Cyclization of Alkenyl Thioester via Transition Metal‐hydrogen Atom Transfer/radical‐polar Crossover Mechanism

Shiori Date, Kensei Hamasaki, Karen Sunagawa, Hiroki Koyama, Chikayoshi Sebe, Kou Hiroya, Hiroki Shigehisa

Version 1 posted 12 November 2019

580

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Catalysis

Working Paper

Catalytic Dealkylative Synthesis of Cyclic Carbamates and Ureas via Hydrogen Atom Transfer and Radical-Polar Crossover

Takuya Nagai, Nao Mimata, Yoshihiro Terada, Chikayoshi Sebe, Hiroki Shigehisa

Version 1 posted 29 May 2020

858

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Organometallic Chemistry

Working Paper

Catalytic Synthesis of Cyclic Guanidines via Hydrogen Atom Transfer and Radical-Polar Crossover

Shunya Ohuchi, Hiroki Koyama, Hiroki Shigehisa

Version 2 posted 07 December 2020

940

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Organic Chemistry

Working Paper

Bromocyclization of Unsaturated Thioester and Access to Functionalized Sulfur-heterocycles

Rinako Saegusa, Takashi Fujihara, Hiroki Shigehisa

Version 2 posted 01 August 2023

272

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Citations

Organic Chemistry

Working Paper

Annulation Producing Diverse Heterocycles Promoted by Cobalt Hydride

Takuma Sugimura, Ren Yamada, Wataru Kanna, Tsuyoshi Mita, Satoshi Maeda, Bartłomiej Szarłan, Hiroki Shigehisa

Version 2 posted 12 August 2024

566

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Organic Chemistry

Working Paper

Halocyclization of alkynoic thioester and oxidative aromatization in one-pot

Miari Kurihara, Hiroki Shigehisa

Version 1 posted 14 February 2024

251

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Citations

Catalysis

Working Paper

Constructing four-membered heterocycles by cycloisomerization

Ayami Osato, Takashi Fujihara, Hiroki Shigehisa

Version 1 posted 12 December 2022

828

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Organic Chemistry

Working Paper

Ring-closing Disulfenylation of Alkenoic Thioester

Kanaru Sasaki, Miari Kurihara, Hiroki Shigehisa

Version 1 posted 08 August 2024

165

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Citations

Catalysis

Review

Cyclization by metal-catalyzed hydrogen atom transfer/radical-polar crossover

Hiroki Shigehisa

Version 1 posted 09 May 2024

487

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10 results in Hiroki Shigehisa in Authors: Hiroki Shigehisa

Catalyst- and Silane- Controlled Enantioselective Hydrofunctionalization of Alkenes by Cobalt-Catalyzed Hydrogen Atom Transfer and Radical-Polar Crossover

Direct Cyclization of Alkenyl Thioester via Transition Metal‐hydrogen Atom Transfer/radical‐polar Crossover Mechanism

Catalytic Dealkylative Synthesis of Cyclic Carbamates and Ureas via Hydrogen Atom Transfer and Radical-Polar Crossover

Catalytic Synthesis of Cyclic Guanidines via Hydrogen Atom Transfer and Radical-Polar Crossover

Bromocyclization of Unsaturated Thioester and Access to Functionalized Sulfur-heterocycles

Annulation Producing Diverse Heterocycles Promoted by Cobalt Hydride

Halocyclization of alkynoic thioester and oxidative aromatization in one-pot

Constructing four-membered heterocycles by cycloisomerization

Ring-closing Disulfenylation of Alkenoic Thioester

Cyclization by metal-catalyzed hydrogen atom transfer/radical-polar crossover

10 results in Authors: Hiroki Shigehisa