Abstract
The N-phosphoryl amino acids are coupled with chrysin to form phosphoryl amino acids chrysin esters. Five of its new analogs have been synthesized. The structures of all the newly synthesized chrysin derivatives were confirmed by ESI-MS, NMR and IR.
Acknowledgments
The authors thank the Chinese National Natural Science Foundation (No. 20472076) and Henan Excellent Youth Grant (No. 0512001400).