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Synthesis 2019; 51(15): 2977-2983
DOI: 10.1055/s-0037-1611778
DOI: 10.1055/s-0037-1611778
paper
Direct Synthesis of Vicinal Tricarbonyl Amides by Coupling of α-Oxo Acid Chlorides with Carbamoylsilanes
This research was supported by the Shanxi Province Foundation for Returnees (No. 0713), the Natural Science Foundation of Shanxi Province (No. 2012011046-9), and the Foundation of Shanxi Normal University (SD2015CXXM-83), P. R. China.Further Information
Publication History
Received: 27 January 2019
Accepted after revision: 11 March 2019
Publication Date:
03 April 2019 (online)


Abstract
A convenient synthetic method for vicinal tricarbonyl amides by the cross-coupling reaction of α-oxo acid chlorides with carbamoylsilanes is developed. The reaction tolerates a broad range of substituents on the amido nitrogen of carbamoylsilanes, and directly affords good yields of vicinal tricarbonyl amides under mild conditions without use of oxidants. The reaction of carbamoylsilanes with oxalyl chloride has also been explored, and is accompanied by decarbonylation to give vicinal tricarbonyl amides.
Key words
α-oxo acid chlorides - carbamoylsilanes - vicinal tricarbonyl compounds - aminocarbonylation - synthetic methodsSupporting Information
- Supporting information for this article is available online at https://doi.org/10.1055/s-0037-1611778.
- Supporting Information