Publications by authors named "Masafumi Ueda"

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Screening and identification of covalent Nrf2 activators with α,β-unsaturated imide structures.
Yasuhiko Izumi, Norihiko Takeda, Shuzo Nishimoto, Honoka Niimi, Sayuri Ishizu, Masafumi Ueda

Bioorg Med Chem· January 2026

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A folded mechanochromic organic fluorophore based on thianthrene-fused coumarin.
Masafumi Ueda, Asuka Uehara, Kazuteru Usui, Masashi Hasegawa

Chem Commun (Camb)· December 2025

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A Quinoline Derivative HZ-6d Induces Antiviral Activity Against Hepatitis C Virus Via Apoptosis-Mediated Cytotoxicity.
Gede Ngurah Rsi Suwardana, Aulia Fitri Rhamadianti, Takayuki Abe, Lin Deng, Chieko Matsui, Masafumi Ueda

Kobe J Med Sci· October 2025

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TPNA10168, an Nrf2 activator, attenuates LPS-induced inflammation in microglia through modulation of MAPK and NF-κB pathways.
Yasuhiko Izumi, Eri Koide, Fumika Kobayashi, Saori Ikawa, Midai Takayama, Masafumi Ueda

J Pharmacol Sci· September 2025

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Zinc(II)-catalysed cyclocondensation of oxime ethers triggered by polarity inversion: construction of fused pyrroles.
Norihiko Takeda, Sora Fujita, Kaho Murakami, Chihiro Honda, Hina Tomoda, Masafumi Ueda

Chem Commun (Camb)· May 2025

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Synthesis of [4]Dendralene Derivatives Possessing Quadruple 1,3-Dithiol-2-ylidenes and Transformation to a Trimethylenecylopentene in an Oxidation State.
Yuji Kawasaki, Daisuke Kasai, Masafumi Ueda, Miyu Takezaki, Aya Yoshimura

Org Lett· March 2025

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Palladium-catalyzed C-C bond cleavage of -cyclopropyl acylhydrazones.
Hiroki Fujioka, Motohiro Yasui, Shohei Hamada, Kohei Fukumi, Norihiko Takeda, Masafumi Ueda

Org Biomol Chem· April 2024

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P(III)-Mediated Formal Reductive N-H Bond Insertion Reaction of Hydrazones to α-Keto Esters.
Norihiko Takeda, Tomoki Miyashita, Naoya Hirokawa, Motohiro Yasui, Masafumi Ueda

Chem Pharm Bull (Tokyo)· April 2024

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Synthesis of oxime ethers a formal reductive O-H bond insertion of oximes to α-keto esters.
Norihiko Takeda, Ryoya Maeda, Motohiro Yasui, Masafumi Ueda

Chem Commun (Camb)· December 2023

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Synthesis, Structure, and Characterization of Thiacalix[4]-2,8-thianthrene.
Masafumi Ueda, Moe Isozaki, Yasuhiro Mazaki

Molecules· July 2023

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Synthesis of isolable β-chloroenamines from -alkoxylactams with organometallic reagents.
Norihiko Takeda, Riku Suganuma, Motohiro Yasui, Masafumi Ueda

Org Biomol Chem· February 2023

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Copper-Catalyzed Aerobic C(sp)-H Oxidation of β-(Alkoxy)imino Carbonyl Compounds.
Masafumi Ueda, Ayano Ichimonji, Miku Nakayama, Sachiko Ito, Norihiko Takeda

Chem Pharm Bull (Tokyo)· February 2023

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Synthesis of Spiro[indole-3,3'-pyrrolidine]-2'-(thi)ones.
Motohiro Yasui, Haruna Ohbu, Maho Ishikawa, Tatsuhito Yoshida, Norihiko Takeda, Masafumi Ueda

J Org Chem· January 2023

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Janus-Type AIE Fluorophores: Synthesis and Properties of π-Extended Coumarin-Bearing Triskelions.
Masafumi Ueda, Mirai Kokubun, Nao Yanagi, Norifumi Yamamoto, Yasuhiro Mazaki

Molecules· November 2022

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Construction of pyrazolodiazepines using AuI, a dual functional gold catalyst.
Keiji Konishi, Motohiro Yasui, Kanae Miki, Norihiko Takeda, Masafumi Ueda

Org Biomol Chem· April 2022

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Synthesis and crystal structure of a sulphur-bridged molecular hoop consisting of 5,7,12,14-tetrathiapentacene.
Masafumi Ueda, Yasuhiro Mazaki

RSC Adv· April 2022

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Anhydrous Hydrogen Iodide-Mediated Reductive Indolization of In Situ-Generated Cyclopropyl Hydrazones.
Motohiro Yasui, Hiroki Fujioka, Norihiko Takeda, Masafumi Ueda

Org Lett· January 2022

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Sc(OTf)-Catalyzed Iodocyclization/Ritter-Type Amidation of -Alkoxypropiolamides: A Synthetic Strategy for Isoxazol-3(2)-ones.
Motohiro Yasui, Maki Inoue, Kotone Nakao, Norihiko Takeda, Masafumi Ueda

J Org Chem· November 2021

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Synthesis of multi-substituted 1,2,4-triazoles utilising the ambiphilic reactivity of hydrazones.
Haruo Matsuzaki, Norihiko Takeda, Motohiro Yasui, Mayuko Okazaki, Seishin Suzuki, Masafumi Ueda

Chem Commun (Camb)· November 2021

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Synthesis of Pyrazoles Utilizing the Ambiphilic Reactivity of Hydrazones.
Haruo Matsuzaki, Norihiko Takeda, Motohiro Yasui, Yuta Ito, Keiji Konishi, Masafumi Ueda

Org Lett· December 2020

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Sequential Nucleophilic Arylation/Ring-Contractive Rearrangement of -Alkoxylactams.
Norihiko Takeda, Yukiko Kobori, Kohei Okamura, Motohiro Yasui, Masafumi Ueda

Org Lett· December 2020

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Copper-Catalyzed Sequential Cyclization/Migration of Alkynyl Hydrazides for Construction of Ring-Expanded N-N Fused Pyrazolones.
Keiji Konishi, Motohiro Yasui, Hitomi Okuhira, Norihiko Takeda, Masafumi Ueda

Org Lett· September 2020

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γ-C (sp)-H bond functionalisation of α,β-unsaturated amides through an umpolung strategy.
Erika Futaki, Norihiko Takeda, Motohiro Yasui, Tetsuro Shinada, Okiko Miyata, Masafumi Ueda

Org Biomol Chem· February 2020

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Copper-Catalyzed Cycloisomerization of Cyclopropenylimine for Synthesis of Pyrroles.
Keiji Konishi, Norihiko Takeda, Motohiro Yasui, Haruo Matsuzaki, Okiko Miyata, Masafumi Ueda

J Org Chem· November 2019

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Hydration of Polycationic [5]Radialene with Quintuple 1,3-Dithiol-2-ylidenes Leads to a New Class of π-Extended Tetrathiafulvalene Scaffold.
Masafumi Ueda, Akimi Tahara, Masashi Hasegawa, Takashi Shirahata, Yasuhiro Mazaki

Chemistry· April 2019

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