Cu(II)-Catalyzed Synthesis of 4‑(1,4,5,6-Tetrahydropyridin-3-yl)-1,4-dihydroisoquinolin-3-ones from 4‑Diazoisoquinolin-3-ones
We report a simple, efficient, and highly selective C–H bond insertion of copper carbenes generated in situ from 4-diazo-1,4-dihydroisoquinolin-3-ones into β-C(sp2)–H bonds of N-sulfonyl enamides, which gave a series of 4-(1,4,5,6-tetrahydropyridin-3-yl)-1,4-dihydroisoquinolin-3(2H)-ones in good t...
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Veröffentlicht in: | Journal of organic chemistry 2022-03, Vol.87 (6), p.4088-4096 |
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container_title | Journal of organic chemistry |
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creator | Qi, Minghui Suleman, Muhammad Xie, Jianwei Lu, Ping Wang, Yanguang |
description | We report a simple, efficient, and highly selective C–H bond insertion of copper carbenes generated in situ from 4-diazo-1,4-dihydroisoquinolin-3-ones into β-C(sp2)–H bonds of N-sulfonyl enamides, which gave a series of 4-(1,4,5,6-tetrahydropyridin-3-yl)-1,4-dihydroisoquinolin-3(2H)-ones in good to excellent yields. Operationally simple and mild reaction conditions, a cheap catalyst, readily accessible starting materials, and a broad substrate scope are the merits of this reaction. |
doi_str_mv | 10.1021/acs.joc.1c02905 |
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Org. Chem</addtitle><date>2022-03-18</date><risdate>2022</risdate><volume>87</volume><issue>6</issue><spage>4088</spage><epage>4096</epage><pages>4088-4096</pages><issn>0022-3263</issn><eissn>1520-6904</eissn><abstract>We report a simple, efficient, and highly selective C–H bond insertion of copper carbenes generated in situ from 4-diazo-1,4-dihydroisoquinolin-3-ones into β-C(sp2)–H bonds of N-sulfonyl enamides, which gave a series of 4-(1,4,5,6-tetrahydropyridin-3-yl)-1,4-dihydroisoquinolin-3(2H)-ones in good to excellent yields. Operationally simple and mild reaction conditions, a cheap catalyst, readily accessible starting materials, and a broad substrate scope are the merits of this reaction.</abstract><cop>United States</cop><pub>American Chemical Society</pub><pmid>35213165</pmid><doi>10.1021/acs.joc.1c02905</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-5096-7450</orcidid><orcidid>https://orcid.org/0000-0002-3221-3647</orcidid></addata></record> |
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title | Cu(II)-Catalyzed Synthesis of 4‑(1,4,5,6-Tetrahydropyridin-3-yl)-1,4-dihydroisoquinolin-3-ones from 4‑Diazoisoquinolin-3-ones |
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