Výsledky vyhledávání - "Kousuke Senda"

Rhodium-Catalyzed Intramolecular Hydroarylation of 1-Halo-1- alkynes: Regioselective Synthesis of Semihydrogenated Aromatic Heterocycles

Autor: Kousuke Senda, Takeshi Hata, Masato Senoo, Hirokazu Urabe, Hirohiko Murase

Publikováno v: Chemistry - A European Journal. 20(No. 1):317-322

The regioselective intramolecular hydroarylation of (3-halo-2-propynyl)anilines, (3-halo-2-propynyl) aryl ethers, or (4-halo-3-butynyl) aryl ethers was efficiently catalyzed by Rh2(OCOCF3)4 to give semihydrogenated aromatic heterocycles, such as 4-ha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db10516535bf428deb6c8c868daf7a14
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100666132

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Rh-catalyzed intramolecular debenzylative cyclization of amines. Butyrolactams from benzylamines having a chloroacetylene moiety

Autor: Takeshi Hata, Yun Taek Oh, Kousuke Senda, Hirokazu Urabe

Publikováno v: Tetrahedron Letters. 52:2458-2461

When benzylamines having a chloroacetylene moiety were heated in wet toluene with a catalytic amount of rhodium trifluoroacetate dimer, intramolecular debenzylative cyclization took place to give butyrolactams. This method is a new entry to selective

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8bb8d89a5e088f1b6dcd710b0958bf73
https://doi.org/10.1016/j.tetlet.2011.02.104

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Broadband Light Source and Its Application to Near-Infrared Spectroscopy

Autor: Jun Ono, Tatsuro Endo, Kazuya Ohta, Hirotaka Ono, Yukina Maeda, Kousuke Senda, Osanori Koyama, Makoto Yamada

Publikováno v: Sensors and Materials.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9dbc67d70f00d9bc524086dfc9d105a1
https://doi.org/10.18494/sam.2015.1080

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ChemInform Abstract: Rhodium-Catalyzed Intramolecular Hydroarylation of 1-Halo-1-alkynes: Regioselective Synthesis of Semihydrogenated Aromatic Heterocycles

Autor: Hirohiko Murase, Hirokazu Urabe, Masato Senoo, Takeshi Hata, Kousuke Senda

Publikováno v: ChemInform. 45

The title reaction affords effectively 4-halo1,2-dihydroquinolines [e.g. (II)], 4-halo-3-chromenes [e.g. (VIII)], or 4-(halomethylene)chromans [e.g. (XII)] in good to excellent yields.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9eb84abad545463736390442b84d98e2
https://doi.org/10.1002/chin.201423163

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ChemInform Abstract: Rh-Catalyzed Intramolecular Debenzylative Cyclization of Amines. Butyrolactams from Benzylamines Having a Chloroacetylene Moiety

Autor: Hirokazu Urabe, Yun Taek Oh, Takeshi Hata, Kousuke Senda

Publikováno v: ChemInform. 42

Optimized conditions are developed for sequential selective debenzylation, cyclization and hydrolysis to afford N-substituted butyrolactams from easily available substrates.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::574f417b8e32d6ada04c5da01e52e261
https://doi.org/10.1002/chin.201135111

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