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Issue 16, 2019
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One-pot synthesis of pyranoquinolin-1-ones via Rh(iii)-catalysed redox annulation of 3-carboxyquinolines and alkynes

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Abstract

A highly efficient and simple one-pot procedure to synthesize 3,4-dihydro-pyrano[4,3-b]quinolin-1-ones via Rh(III)-catalysed [4 + 2] redox annulation of 3-carboxyquinolines with internal alkynes has been developed. This reaction features the generality of a broad scope of substrates, avoidance of external oxidants, high atom-economy and excellent regioselectivity.

Graphical abstract: One-pot synthesis of pyranoquinolin-1-ones via Rh(iii)-catalysed redox annulation of 3-carboxyquinolines and alkynes

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Publication details

The article was received on 03 Jun 2019, accepted on 26 Jun 2019 and first published on 27 Jun 2019


Article type: Research Article
DOI: 10.1039/C9QO00710E
Org. Chem. Front., 2019,6, 2897-2901

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    One-pot synthesis of pyranoquinolin-1-ones via Rh(III)-catalysed redox annulation of 3-carboxyquinolines and alkynes

    Z. Yang, C. Pi, X. Cui and Y. Wu, Org. Chem. Front., 2019, 6, 2897
    DOI: 10.1039/C9QO00710E

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