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Multifunctional 1,3-diphenylguanidine for the carboxylative cyclization of homopropargyl amines with CO2 under ambient temperature and pressure

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Abstract

Herein, we report that 1,3-diphenylguanidine (DPG) could be utilized for the carboxylative cyclization of homopropargyl amines with CO2 under ambient temperature and pressure, in combination with AgSbF6, which enabled the synthesis of both chiral and achiral 2-oxazinones efficiently. A mechanistic study revealed that the multi-functionality of DPG is critical to the success of the reaction.

Graphical abstract: Multifunctional 1,3-diphenylguanidine for the carboxylative cyclization of homopropargyl amines with CO2 under ambient temperature and pressure

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Publication details

The article was received on 30 Sep 2019, accepted on 21 Oct 2019 and first published on 21 Oct 2019


Article type: Communication
DOI: 10.1039/C9CC07671A
Chem. Commun., 2019, Advance Article

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    Multifunctional 1,3-diphenylguanidine for the carboxylative cyclization of homopropargyl amines with CO2 under ambient temperature and pressure

    X. Gao, S. Xie, F. Zhou, H. Wu and J. Zhou, Chem. Commun., 2019, Advance Article , DOI: 10.1039/C9CC07671A

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