Publication
Publication
● 1,5-Double-carboxylation of 2-alkylheteroarenes mediated by a combined Brønsted-base system
Masanori Shigeno*, Itsuki Tohara, Kanako Nozawa-Kumada, and Yoshinori Kondo*
● Palladium-Catalyzed Borylative Cyclizations of α-(2-Bromoaryl) Ketones to Form 1,2-Benzoxaborinines
Masanori Shigeno*, Yuto Iseya, Ryotaro Kume, Kanako Nozawa-Kumada, and Yoshinori Kondo*
Org. Lett. 2022, 24, 7227-7231.
● Combined Brønsted Base-Promoted CO2 Fixation into Benzylic C–H Bonds of Alkylarenes
Masanori Shigeno*, Itsuki Tohara, Keita Sasaki, Kanako Nozawa-Kumada, and Yoshinori Kondo*
Org. Lett. 2022, 24, 4825-4830.
● Organic superbase t-Bu-P4-catalyzed demethylations of methoxyarenes
Masanori Shigeno*, Kazutoshi Hayashi, Toshinobu Korenaga*, Kanako Nozawa-Kumada, and Yoshinori Kondo*
Org. Chem. Front. 2022, 9, 3656-3663.
● Copper-catalyzed aerobic benzylic C(sp3)–H lactonization of 2-alkylbenzamides via N-centered radicals
Kanako Nozawa-Kumada,* Kanako Ono, Satoshi Kurosu, Masanori Shigeno, and Yoshinori Kondo*
Org. Biomol. Chem. 2022, 20, 5948-5952.
Invited contribution to a New Talent web themed issue
● Direct C–H Carboxylation Forming Polyfunctionalized Aromatic Carboxylic Acids by Combined Brønsted Bases
Masanori Shigeno*, Kazuya Hanasaka, Itsuki Tohara, Koki Izumi, Hiroyuki Yamakoshi, Eunsang Kwon, Kanako Nozawa-Kumada, and Yoshinori Kondo
● Construction of 1,2,3-Benzodiazaborole by Electrophilic Borylation of Azobenzene and Nucleophilic Dialkylative Cyclization
Masanori Shigeno*, Masaya Imamatsu, Yusuke Kai, Moe Kiriyama, Shintaro Ishida, Kanako Nozawa-Kumada, and Yoshinori Kondo
Org. Lett. 2021, 23, 8023-8027.
● Regio- and Stereoselective Hydroiodination of Internal Alkynes with ex Situ Generated HI
Kanako Nozawa-Kumada,* Koto Noguchi, Tomoya Akada, Masanori Shigeno, and Yoshinori Kondo*
Org. Lett. 2021, 23, 6659-6663.
Highlighted in organic chemistry portal
● Chemical reduction of Ag+ to Ag employing organic electron donors: evaluation of the effect of Ag+-mediated cytosine–cytosine base pairing on the aggregation of Ag nanoparticles
Takenori Dairaku,* Rika Kawai, Kanako Nozawa-Kumada, Kentaro Yoshida, Tetsuya Ono, Yoshinori Kondo, Jiro Kondo, Akira Ono, Yoshiyuki Tanaka and Yoshitomo Kashiwagi*
Dalton Trans. 2021, 50, 12208-12214.
● KO-t-Bu Catalyzed Thiolation of β-(Hetero)arylethyl Ethers via MeOH Elimination/hydrothiolation
Masanori Shigeno,* Yoshiteru Shishido, Kazutoshi Hayashi, Kanako Nozawa-Kumada, and Yoshinori Kondo*
Eur. J. Org. Chem. 2021, 3932-3935.
● Effect of cytosine–Ag+–cytosine base pairing on the redox potential of the Ag+/Ag couple and the chemical reduction of Ag+ to Ag by tetrathiafulvalene
Takenori Dairaku,* Rika Kawai, Teppei Kanaba, Tetsuya Ono, Kentaro Yoshida, Hajime Sato, Kanako Nozawa-Kumada, Yoshinori Kondo, Jiro Kondo, Akira Ono, Yoshiyuki Tanaka* and Yoshitomo Kashiwagi*
Dalton Trans. 2021, 50, 7633-7639.
● Copper-catalyzed aerobic double functionalization of benzylic C(sp3)−H bonds for the synthesis of 3-hydroxyisoindolinones
Kanako Nozawa-Kumada,* Yuta Matsuzawa, Kanako Ono, Masanori Shigeno, and Yoshinori Kondo*
Chem. Commun. 2021, 57, 8604-8607.
● Combined Brønsted-Base-Mediated Direct C-H Carboxylation of Heteroarenes with CO2
Masanori Shigeno,* Keita Sasaki, Kazuya Hanasaka, Itsuki Tohara, Kanako Nozawa-Kumada, and Yoshinori Kondo*
Heterocycles 2021, 103, 592-608.
● Catalytic amide base system generated in situ for 1,3-diene formation from allylbenzenes and carbonyls
Masanori Shigeno,* Akihisa Kajima, Kunihito Nakaji, Kanako Nozawa-Kumada, and Yoshinori Kondo*
● Di-tert-butyl Peroxide (DTBP)-Mediated Oxysilylation of Unsaturated Carboxylic Acids for the Synthesis of Silyl Lactones
Kanako Nozawa-Kumada,* Takuto Ojima, Moeto Inagi, Masanori Shigeno, and Yoshinori Kondo*
Org. Lett. 2020, 22, 9591-9596.
● Catalytic C(sp2)–C(sp3) Bond Formation of Methoxyarenes by the Organic Superbase t-Bu-P4
Masanori Shigeno,* Kazutoshi Hayashi, Kanako Nozawa-Kumada, and Yoshinori Kondo*
Org. Lett. 2020, 22, 9107-9113.
● NaH-mediated direct C–H arylation in the presence of 1,10-phenanthroline
Kanako Nozawa-Kumada,* Yuki Iwakawa, So Onuma, Masanori Shigeno, and Yoshinori Kondo*
Chem. Commun.2020, 56, 7773-7776.
● Direct C‐2 carboxylation of 3‐substituted‐indoles using a combined Brønsted base consisting of LiO‐t‐Bu/CsF/18‐crown‐6
Masanori Shigeno,* Itsuki Tohara, Kanako Nozawa-Kumada, and Yoshinori Kondo*
Eur. J. Org. Chem.2020, 1987-1991.
Highlighted in Synfacts, 2020, 16, 0638
● Transition‐Metal‐Free Trifluoromethylation of Benzyl Bromides Using Trifluoromethyltrimethylsilane and CsF in 1,2‐Dimethoxyethane
Kanako Nozawa-Kumada,* Sayuri Osawa, Takuto Ojima, Koto Noguchi, Masanori Shigeno, and Yoshinori Kondo*
Asian J. Org. Chem.2020, 9, 765-768.
Invited contribution to a special issue: 100th Annual Meeting of the Chemical Society of Japan
● Copper‐Catalyzed Oxidative Benzylic C(sp3)–H Cyclization for the Synthesis of β‐Lactams
Kanako Nozawa-Kumada,* Satoshi Saga, Yuta Matsuzawa, Masahito Hayashi, Masanori Shigeno, and Yoshinori Kondo*
● Super electron donor-mediated reductive desulfurization reactions
Kanako Nozawa-Kumada,* Shungo Ito, Koto Noguchi, Masanori Shigeno, and Yoshinori Kondo*
Chem. Commun.2019, 55, 12968–12971.
● Deprotonative Coupling of Pyridines with Aldehydes Catalyzed by an HMDS-amide Base Generated in Situ
Masanori Shigeno,* Kunihito Nakaji, Akihisa Kajima, Kanako Nozawa-Kumada, and Yoshinori Kondo*
Chem. Pharm. Bull.2019, 67, 1179-1182.
● Tetramethylammonium Fluoride Tetrahydrate-Mediated Transition Metal-Free Coupling of Aryl Iodides with Unactivated Arenes in Air
Kanako Nozawa-Kumada,* Kosuke Nakamura, Satoshi Kurosu, Yuki Iwakawa, Charline Denneval, Masanori Shigeno, and Yoshinori Kondo*
Chem. Pharm. Bull.2019, 67, 1042–1045.
● Catalytic Amination of β-(Hetero)arylethyl Ethers by Phosphazene Base t-Bu-P4
Masanori Shigeno,* Ryutaro Nakamura, Kazutoshi Hayashi, Kanako Nozawa-Kumada, and Yoshinori Kondo*
Org. Lett.2019, 21, 6695–6699.
● Organic Superbase t-Bu-P4 Catalyzes Amination of Methoxy(hetero)arenes
Masanori Shigeno,* Kazutoshi Hayashi, Kanako Nozawa-Kumada, and Yoshinori Kondo*
Org. Lett.2019, 21, 5505–5508.
● Catalytic alkynylation of polyfluoroarenes by amide base generated in situ
Masanori Shigeno,* Takuya Okawa, Masaya Imamatsu, Kanako Nozawa-Kumada, and Yoshinori Kondo*
Chem. Eur. J. 2019, 25, 10294–10297.
Selected as a Hot Paper
● 遷移金属触媒および系内発生塩基を利用した炭素―水素結合官能基化反応の開発
熊田 佳菜子
Yakugaku Zasshi 2019,139, 1243–1251.
● Double-Carboxylation of Two C–H Bonds in 2-Alkylheteroarenes Using LiO-t-Bu/CsF
Masanori Shigeno,* Keita Sasaki, Kanako Nozawa-Kumada, and Yoshinori Kondo*
Org. Lett.2019, 21, 4515–4519.
● Peroxydisulfate‐Mediated Transition‐Metal‐Free Oxidative C(sp3)–H Bond Lactonization
Kanako Nozawa-Kumada,* Satoshi Kurosu, Masanori Shigeno, Yoshinori Kondo*
Asian J. Org. Chem. 2019, 8, 1080–1083.
Invited contribution to a special issue: Heterocyclic Chemistry
Selected as a cover picture
The top 10% most downloaded papers in 2019
● Catalytic Amide–Base System of TMAF and N(TMS)3 for Deprotonative Coupling of Benzylic C(sp3)–H Bonds with Carbonyls
Masanori Shigeno,* Kunihito Nakaji, Kanako Nozawa-Kumada, and Yoshinori Kondo*
Org. Lett.2019, 21, 2588–2592.
One of the Most Read Articles in Org. Lett., April 2019.
● Phosphazene base t‐Bu‐P4‐catalyzed methoxy−alkoxy exchange reaction on (hetero)arenes
Masanori Shigeno,* Kazutoshi Hayashi, Kanako Nozawa-Kumada, and Yoshinori Kondo*
Chem. Eur. J. 2019, 25, 6077–6081.
Selected as a cover picture
Selected as a Hot Topic: Organocatalysis
● Direct Carboxylation of Electron‐Rich Heteroarenes Promoted by LiO‐tBu with CsF and [18]Crown‐6
Masanori Shigeno,* Kazuya Hanasaka, Keita Sasaki, Kanako Nozawa-Kumada, and Yoshinori Kondo*
Chem. Eur. J. 2019, 25, 3235–3239.
Selected as a Hot Paper
The top 10% most downloaded papers in 2019
● Catalytic Deprotonative α-Formylation of Heteroarenes by an Amide Base Generated In Situ from TMAF and N(TMS)3
Masanori Shigeno,* Yuki Fujii, Akihisa Kajima, Kanako Nozawa-Kumada, and Yoshinori Kondo*
Org. Process Res. Dev. 2019, 23, 443–451.
2018年
● Construction of Biaryl Scaffolds from Iodoarenes and C−H Heteroarenes Using an Amide Base Generated in situ from Aminosilane and Fluoride Anion
Masanori Shigeno,* Yusuke Kai, Tetsuya Yamada, Kazutoshi Hayashi, Kanako Nozawa-Kumada, Charline Denneval, and Yoshinori Kondo*
Asian J. Org. Chem. 2018, 7, 2082–2086.
● Generation and Characterization of Anti-phenyl Sulfate Monoclonal Antibodies and a Potential Use for Phenyl Sulfate Analysis in Human Blood
Yoshitomi Kanemitsu, Hiroki Tsukamoto*, Yotaro Matsumoto, Kanako Nozawa-Kumada, Yoshinori Kondo, Takaaki Abe, and Yoshihisa Tomioka*
Biol. Pharm. Bull. 2018, 41, 1170–1177.
● Super Electron Donor-mediated Reductive Transformation of Nitrobenzenes: A Novel Strategy to Synthesize Azobenzenes and Phenazines
Kanako Nozawa-Kumada, Erina Abe, Shungo Ito, Masanori Shigeno and Yoshinori Kondo*
Org. Biomol. Chem. 2018, 16, 3095–3098.
2017年
● NaOPh Mediated Hydroxymethylation of Alkynylsilanes with N-((Trimethylsilyloxy)methyl)phthalimide
Narumi Asano, Keita Sasaki, Isabelle Chataigner, Masanori Shigeno*, and Yoshinori Kondo*
Eur. J. Org. Chem. 2017, 46, 6926–6930.
● Deprotonative Silylation of Aromatic C−H Bonds Mediated by a Combination of Trifluoromethyltrialkylsilane and Fluoride
Kanako Nozawa-Kumada, Sayuri Osawa, Midori Sasaki, Isabelle Chataigner, Masanori Shigeno, and Yoshinori Kondo*
J. Org. Chem. 2017, 82, 9487–9496.