PUBLICATIONS

2017

Regiodivergent Chlorine-Atom-Transfer Ring-Opening Reactions of Trichloromethylcyclopropanes

Nobuyoshi Doi, Norihiko Takeda, Okiko Miyata, and Masafumi Ueda

Eur. J. Org. Chem. 2017, 25, 3652-3657. Link

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Fluorescence Quenching Induced by Sequential Addition-Aromatization of A BODIPY-Containing Dienylimine with Thiols

Norihiko Takeda, Masafumi Ueda, Nagisa Mori, Tetsuya Miyoshi, Manami Shimoda, Yumina Uno, Hiroshi Kitagawa, Noriaki Emoto, Takahiro Mukai, and Okiko Miyata

Heterocycles 2017, 94, 750-762. Link

Triphosgene-Mediated Chlorolactamization and Aminolactamization of Homoallylic Amines

Yuika Nishida, Norihiko Takeda, Okiko Miyata, and Masafumi Ueda

Heterocycles 2017, 95, 787-798. Link

Gold-Catalyzed [3+2]/Retro-[3+2]/[3+2] Cycloaddition Cascade Reaction of

N-Alkoxyazomethine Ylides

Shoichi Sugita, Norihiko Takeda, Norimitsu Tohnai, Mikiji Miyata, Okiko Miyata and Masafumi Ueda

Angew. Chem. Int. Ed. 2017, 56, 2469-2472. Link

Thumbnail image of graphical abstract

 

2016年 

Regiodivergent Ring-Opening Reaction of Trichloromethylcyclopropane Carboxylates

Nobuyoshi Doi, Norihiko Takeda, Okiko Miyata, and Masafumi Ueda

J. Org. Chem. 2016, 81,7855-7861. Link

Abstract Image

Nucleophilic β-alkenylation of N-alkoxyenamines: an umpolung strategy for the preparation of β,γ-unsaturated ketones

  • Raj Kumar Nandi, Norihiko Takeda, Masafumi Ueda and Okiko Miyata

Tetrahedron Lett.. 2016, 57, 2269-2272. Link

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Gold-catalyzed sequential cyclization/rearrangement reaction of O-allyl hydroxamates: atom economical synthesis of 3-hydroxyisoxazoles

  • Shoichi Sugita, Masafumi Ueda, Nobuyoshi Doi, Norihiko Takeda and Okiko Miyata

Tetrahedron Lett.. 2016, 57, 1786-1789. Link

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Sequential [3,3]-Sigmatropic Rearrangement/Nucleophilic Arylation of N-(Benzoyloxy) enamides towards the Preparation of Cyclic β-Aryl-β-amino Alcohols

Shohei Sato, Norihiko Takeda, Masafumi Ueda and Okiko Miyata

Synthesis 2016, 48, 882-892. Link

tert-Butyl Iodide-Mediated Reductive Fischer Indolization of Conjugated Hydrazones

Yuta Ito, Masafumi Ueda, Norihiko Takeda and Okiko Miyata

Chem. Eur. J. 2016, 22, 2616-2619. Link

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Dimethylzinc-Mediated Chlorolact-amization of Homoallylic Amines with Chloroform

Yuika Nishda, Masafumi Ueda, Masataka Hayashi, Norihiko Takeda and Okiko Miyata

Eur. J. Org. Chem. 2016, 22-25. Link

Thumbnail image of graphical abstract

 

  2015年

Vicinal Functionalization of N-Alkoxyen-amines: Tandem Umpolung Phenylation/Nucleophilic Addition Reaction Sequence

  • Shohei Sato, Norihiko Takeda, Tetsuya Miyoshi, Masafumi Ueda and Okiko Miyata

Eur. J. Org. Chem.. 2015, 3899-3904. Link

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Reaction of cyclopropenes with a trichloromethyl radical: unprecedented ring-opening reaction of cyclopropanes with migration

Masafumi Ueda, Nobuyoshi Doi, Hitoki Miyagawa, Shoichi Sugita, Norihiko Takeda, Tetsuro Shinada and Okiko Miyata

Chem. Commun..2015, 51, 4204-4207. Link

Graphical abstract: Reaction of cyclopropenes with a trichloromethyl radical: unprecedented ring-opening reaction of cyclopropanes with migration

 

  2014年

α-Heteroarylation of Ketones via the Umpolung Reaction of N-Alkoxyenamine

Tetsuya Miyoshi, Norihiko Takeda, Masaki Fukami, Shohei Sato, Masafumi Ueda and Okiko Miyata

Chem. Pharm. Bull. 2014, 62, 927-932. Link

-Review- Radical Addition-Initiated Domino Reactions of Conjugated Oxime Ethers

Masafumi Ueda

Chem. Pharm. Bull. 2014, 62, 845-855. Link

Direct Synthesis of Benzofuro[2,3-b]pyrroles through a Radical Addition/[3,3]-Sigmatropic Rearrangement/Cyclization/Lactamization Cascade

Masafumi Ueda, Yuta Ito, Yuki Ichii, Maiko Kakiuchi, Hiroko Shono and Okiko Miyata

Chem. Eur. J. 2014, 20, 6763-6770. Link

-Review- Synthetic routes towards benzofuro[2,3-b]pyrroles and benzofuro[2,3-b]indoles

Yuta Ito, Masafumi Ueda, Okiko Miyata

Heterocycles 2014, 89, 2029-2052. Link

Sequential Radical Addition and Fischer-Type Indolization Reactions of Conjugated Hydrazones for the Preparation of α-Alkylindole-3-acetic Acids

Yuta Ito, Masafumi Ueda, Naomi Matsuda, Yuika Nishida, and Okiko Miyata

Heterocycles 2014, 89, 963-969. Link

Preparation of Cyclic β-Amino Acid Derivatives with Quaternary Carbon Center via a Radical Addition-Cyclization Sequence

Norihiko Takeda, Masafumi Ueda, Seiko Kajisa, Kenji Matsuno, Takeaki Naito, and Okiko Miyata

Heterocycles 2014, 89, 143-169. Link

 

  2013年

Michael Addition-Aromatization Reaction of Dienylimines Bearing a Leaving Group and Its Application to the Preparation of Thiol-Selective Labeling Reagents Capable of Forming Strong Carbon-Sulfur Bonds

Tetsuya Miyoshi, Yuka Aoki, Yumina Uno, Mina Araki, Takahiro Kamatani, Daichi Fujii, Yoshinori Fujita, Norihiko Takeda, Masafumi Ueda, Hiroshi Kitagawa, Noriaki Emoto, Takahiro Mukai, Masafumi Tanaka, and Okiko Miyata

J. Org. Chem. 2013, 78, 11433-11443. Link

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Synthesis of Dihydrobenzofurans with Quaternary Carbon Center under Mild and Neutral Conditions

Norihiko Takeda, Masafumi Ueda, Syunsuke Kagehira, Hiroyuki Komei, Norimitsu Tohnai, Mikiji Miyata, Takeaki Naito, and Okiko Miyata

Org. Lett. 2013, 15, 4382-4385. Link

Abstract Image

Sequential Retro-Ene Arylation Reaction of N-Alkoxyenamides for the Synthesis of tert-Alkylamines

Tetsuya Miyoshi, Syota Matsuya, Mikako Tsugawa, Shohei Sato, Masafumi Ueda, and Okiko Miyata

Org. Lett. 2013, 15, 3374-3377. Link

Abstract Image

Rhodamine-Labeled LDL as a Tool to Monitor the Lipoprotein Traffic in Experimental Model of Early Atherosclerosis in Mice

Dyah Samti Mayasari, Noriaki Emoto, Keiko Yagi, Nicolas Vignon-Zellweger, Kazuhiko Nakayama, Tetsuya Miyoshi, Okiko Miyata, and Ken-ichi Hirata

Kobe J. Med. Sci. 2013, 59, 54-63.

Total Synthesis of Penmacric Acids via an Intermolecular Radical Addition Reaction

Masafumi Ueda, Ayako Ono, Dai Nakao, Kenji Matsuno, Takeaki Naito, and Okiko Miyata

Tetrahedron 2013, 69, 6866-6874. Link

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Palladium-Catalyzed Synthesis of Isoquinolinones via Sequential Cyclization and N-O Bond Cleavage of N-Methoxy-o-alkynylbenzamides

Manita Jithunsa, Masafumi Ueda, Naoki Aoi, Shoichi Sugita, Tetsuya Miyoshi, and Okiko Miyata

Synlett 2013, 475-478Link

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Umpolung reactions at the α-carbon position of carbonyl compounds

Okiko Miyata, Tetsuya Miyoshi, and Masafumi Ueda

ARKIVOC 2013, 60-81.  Link

 

   2012年

Benzofuran Derivatives Inhibit 11β-Hydroxysteroid Dehydrogenase Type 1 Activity in Rat Adipose Tissue

Daisuke Kiyonaga, Noriko Tagawa, Yuko Yamaguchi, Midori Wakabayashi, Toshiaki Kogure, Masafumi Ueda, Okiko Miyata, and Yoshiharu Kobayashi

Biol. Pharm. Bull. 2012, 35, 1275-1280. Link

Copper-Catalyzed Synthesis of Trisubstituted Isoxazoles via a Cascade Cyclization

Masahumi Ueda, Shoichi Sugita, Aoi Sato, Tetsuya Miyoshi, and Okiko Miyata

J. Org. Chem. 2012, 77, 9344-9351.  Link

One-pot method for α-phenylation of ketones using isoxazolidine and triphenylaluminum

  • Tetsuya Miyoshi, Shohei Sato, Hiroya Tanaka, Chihiro Hasegawa, Masafumi Ueda, and Okiko Miyata

  • Tetrahedron Lett. 2012, 53, 4188-4191.  Link

共役オキシムエーテル類へのラジカル付加反応を基盤としたドミノ型反応の開発

上田昌史, 内藤猛章, 宮田興子

有機合成化学協会2012, 70, 331-342.

 

 2011年

Palladium-catalyzed Cross Coupling Reaction of N-Alkoxyimidoyl Bromides and Its Application to One-pot Synthesis of N-Arylamines.

Masafumi Ueda, Shoichi Sugita, Naoki Aoi, Aoi Sato, Yuki Ikeda, Yuta Ito, Tetsuya Miyoshi, Takeaki Naito, and Okiko Miyata.

Chem. Pharm. Bull. 2011, 59, 1206-1208.  Link

Silver-catalyzed synthesis of disubstituted isoxazoles by cyclization of alkynyl oxime ethers

Masafumi Ueda, Yuki Ikeda, Aoi Sato, Yuta Ito, Maiko Kakiuchi, Hiroko Shono, Tetsuya Miyoshi, Takeaki Naito, and Okiko Miyata

Tetrahedron 2011, 67, 4612-4615.  Link

Benzyl radical addition reaction through the homolytic cleavage of a benzylic C-H bond

Masafumi Ueda, Eiko Kondo, Yuta Ito, Hiroko Shono, Maiko Kakiuchi, Yuki Ichii, Takahiro Kimura, Tetsuya Miyoshi, Takeaki Naito, and Okiko Miyata

Org. Biomol. Chem. 2011, 9, 2062-2064.  Link

Regiodivergent Addition of Carbon Units to Dual-Activated Alkynes for Stereoselective Construction of Tetrasubstituted Alkenes

Masafumi Ueda, Hiroshi Matsubara, Kin-ichi Yoshida, Aoi Sato, Takeaki Naito, and Okiko Miyata

Chem. Eur. J. 2011, 17, 1789-1792.  Link

Copper(II)Chloride-Mediated Cyclization Reaction of N-Alkoxy-orthoalkynylbenzamides

Manita Jithunsa, Masafumi Ueda, and Okiko Miyata

Org. Lett. 2011, 13, 518-521.  Link

Nucleophilic α-Arylation and α-Alkylation of Ketones by Polarity Inversion of N-

Alkoxyenaatmines: Entry to the Umpolung Reaction the α-Carbon Position of Carbonyl Compounds

Tetsuya Miyoshi, Takayuki Miyakawa, Masafumi Ueda, and Okiko Miyata

Angew. Chem., Int. Ed. 2011, 50, 928-931.  Link

 

 2010年

Direct synthesis of trisubstituted isoxazoles through gold-catalyzed domino reaction of alkynyl oxime ethers

Masafumi Ueda, Aoi Sato, Yuuki Ikeda, Tetsuya Miyoshi, Takeaki Naito, and Okiko Miyata

Org. Lett. 2010, 12, 2594-2597.  Link

Indium(I)-Mediated Radical Carbon-Carbon Bond-Forming Reaction in Aqueous Media

Masafumi Ueda, Hideto Miyabe, Masafumi Torii, Takahiro Kimura, Okiko Miyata, and Takeaki Naito

Synlett 2010, 1341-1344.  Link

Synthesis of Fluorinated Imines by Addition of Fluoroalkyl Radicals to Conjugated Imines

Masafumi Ueda, Eri Iwasada, Hideto Miyabe, Okiko Miyata, and Takeaki Naito

Synthesis 2010, 1999-2004.  Link

Efficient entry into 2-substitutedtetrahydroquinoline systems through alkylative ring expansion:  stereoselective formal synthesis of (+/-)-martinellic acid

Masafumi Ueda, Sayuri Kawai, Masataka Hayashi, Takeaki Naito, and Okiko Miyata

J. Org. Chem. 2010, 75, 914-921.  Link

 

 〜2009年

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