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Your search keyword '"*YNAMIDES"' showing total 3 results
Start Over Descriptor "*YNAMIDES" Publication Year Range This year Journal tetrahedron letters: international organ for the rapid publication of preliminary communications in organic chemistry
3 results on '"*YNAMIDES"'

1. In(OTf)3-catalyzed oxygenative bifunctionalization of alkynes.

Author

Liu, Shiqing, Zhou, Ruize, Zhang, Miaofei, Chen, Chen, Chen, Xialei, Qian, Guoying, and Rong, Zhouting

Subjects
*ALKYNES, *YNAMIDES, *KETONES, *SULFOXIDES, *QUINOLINE, *INDIUM
Abstract

[Display omitted] An In(OTf) 3 -catalyzed oxygenative bifunctionalization reaction has been developed for the facile synthesis of various α-functionalized ketones. A wide range of aryl sulfoxides and electron-rich arylalkynes prove to be suitable substrates for this transformation. The potential of our method was then extended to the synthesis of 8-substituted quinolines from ynamides and quinoline- N -oxides. [ABSTRACT FROM AUTHOR]

Published
2024
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2. In(OTf)3-catalyzed synthesis of 7-acylindoles and 2-aminoquinolines from ynamides and anthranils.

Author

Chen, Xialei, Zhou, Hanjie, Jin, Jialu, Chen, Chen, Liu, Shiqing, Qian, Guoying, and Rong, Zhouting

Subjects
*YNAMIDES, *INDIUM, *FUNCTIONAL groups, *CATALYSTS
Abstract

[Display omitted] A divergent transformation of ynamides with anthranils has been reported, which leads to the synthesis of various 7-acylindoles and 2-aminoquinolines in moderate to excellent yields. Indium(III) triflate is used as a cheap and readily available catalyst and the method exhibits high functional group tolerance. [ABSTRACT FROM AUTHOR]

Published
2024
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3. Dual role of DMSO in the intermolecular oxygenative bifunctionalization of ynamides.

Author

Gao, Kexin, Xie, Shenyue, Chen, Xialei, Qian, Guoying, and Rong, Zhouting

Subjects
*YNAMIDES, *NUCLEOPHILES, *THIOLS, *AROMATIC compounds, *SOLVENTS
Abstract

[Display omitted] A simple HNTf 2 /DMSO system has been developed for the intermolecular oxgenative bifunctionalization of ynamides to produce various α -functionalized amides, where DMSO functions both as the oxygen donor and the solvent. Scope study shows that electron-rich ynamides and nucleophiles such as alcohols, thiols and electron-rich arenes are suitable reaction partners in this transformation. [ABSTRACT FROM AUTHOR]

Published
2024
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