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Issue 57, 2016, Issue in Progress
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Propargylation of 1,3-dicarbonyl compounds catalyzed by 2,3-dichloro-5,6-dicyano-1,4-benzoquinone and sodium nitrite in the presence of molecular oxygen and formic acid

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Abstract

Catalyzed by 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) and sodium nitrite, the coupling reaction of 1,3-diarylpropynes and 1,3-dicarbonyl compounds using molecular oxygen as a terminal oxidant was developed. The reaction was promoted dramatically in the presence of HCOOH. The corresponding products were obtained within half an hour in 37–87% yields.

Graphical abstract: Propargylation of 1,3-dicarbonyl compounds catalyzed by 2,3-dichloro-5,6-dicyano-1,4-benzoquinone and sodium nitrite in the presence of molecular oxygen and formic acid

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Publication details

The article was received on 15 Mar 2016, accepted on 12 May 2016 and first published on 24 May 2016


Article type: Communication
DOI: 10.1039/C6RA06704B
RSC Adv., 2016,6, 52459-52463

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    Propargylation of 1,3-dicarbonyl compounds catalyzed by 2,3-dichloro-5,6-dicyano-1,4-benzoquinone and sodium nitrite in the presence of molecular oxygen and formic acid

    D. Cheng, X. Zhou, X. Xu and J. Yan, RSC Adv., 2016, 6, 52459
    DOI: 10.1039/C6RA06704B

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