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Phosphorus, Sulfur, and Silicon and the Related Elements Volume 187, 2012 - Issue 2
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Original Articles

Synthesis and Spectroscopic Characterization of Some New Piperazine Phosphoramide Derivatives of 4-Hydroxycoumarin

Xiaolan Chen Key Laboratory of Organic Chemistry and Chemical Biology, Department of Chemistry, Zhengzhou University, Henan Province, Zhengzhou, P. R. China
,
Jinwei Yuan Chemistry and Chemical Engineering School, Henan University of Technology, Henan Province, Zhengzhou, P. R. China
,
Lingbo Qu Key Laboratory of Organic Chemistry and Chemical Biology, Department of Chemistry, Zhengzhou University, Henan Province, Zhengzhou, P. R. China; Chemistry and Chemical Engineering School, Henan University of Technology, Henan Province, Zhengzhou, P. R. China
,
Zhibo Qu Key Laboratory of Organic Chemistry and Chemical Biology, Department of Chemistry, Zhengzhou University, Henan Province, Zhengzhou, P. R. China
,
Shaohua Xu Key Laboratory of Organic Chemistry and Chemical Biology, Department of Chemistry, Zhengzhou University, Henan Province, Zhengzhou, P. R. China
,
Fujun Wang Key Laboratory of Organic Chemistry and Chemical Biology, Department of Chemistry, Zhengzhou University, Henan Province, Zhengzhou, P. R. China
&
Yufen Zhao Key Laboratory of Organic Chemistry and Chemical Biology, Department of Chemistry, Zhengzhou University, Henan Province, Zhengzhou, P. R. China; Department of Chemistry, Xiamen University, Xiamen, P. R. China
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Pages 245-254 | Received 23 Feb 2011, Accepted 27 May 2011, Published online: 05 Jan 2012
 
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Abstract

A series of new piperazine phosphoramide derivatives of 4-hydroxycoumarin were synthesized through a facile phosphorylating reaction starting from 4-hydroxycoumarin and various phosphorylating agents. The title compounds were characterized by IR, NMR, electrospray ionization-mass spectrometry, and high-resolution mass spectrometry, and their spectroscopic data were further analyzed to feature the related spectroscopic characteristics of the compounds of this class.

GRAPHICAL ABSTRACT

Acknowledgments

The authors would like to thank the National Natural Science Foundation of China (No. 20472076, 21072178) and Innovation Specialist Projects of Henan Province for their financial support.

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