The Synthesis of Dialkoxyphosphorylcarboxamides

Yong Ye Department of Chemistry, Key Laboratory of Chemical Biology and Organic Chemistry, Zhengzhou University, Zhengzhou, China; Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Tsinghua University, Beijing, China

Ping Li Department of Chemistry, Key Laboratory of Chemical Biology and Organic Chemistry, Zhengzhou University, Zhengzhou, China

Xiao-lian Hu Department of Chemistry, Key Laboratory of Chemical Biology and Organic Chemistry, Zhengzhou University, Zhengzhou, China

Zhi-yu Ju Department of Chemistry, Key Laboratory of Chemical Biology and Organic Chemistry, Zhengzhou University, Zhengzhou, China

Yu-fen Zhao Department of Chemistry, Key Laboratory of Chemical Biology and Organic Chemistry, Zhengzhou University, Zhengzhou, China; Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Tsinghua University, Beijing, China

Abstract

The synthesis of dialkoxyphosphorylcarboxamides, which is difficult to monitor by TLC, was investigated by ESI-MS and ESI-MSⁿ. Their fragmentation pathways were rationalized and supported by tandem mass spectrometry. The characteristic ions in ESI-MS are useful for the structural determination of phosphorylcarboxamides.

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Acknowledgments

The authors would like to thank the financial support from the National Natural Science Foundation of China (No. 20602032 and 20572061).

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The Synthesis of Dialkoxyphosphorylcarboxamides

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