Six kinds of phosphorylated coumarins are successfully synthesized by an Atherton-Todd reaction. They are fully characterized by FTIR、1H NMR、31P NMR、ESI-MS and EA. For the 6,7-dihydroxy coumarin, there was selectiv...Six kinds of phosphorylated coumarins are successfully synthesized by an Atherton-Todd reaction. They are fully characterized by FTIR、1H NMR、31P NMR、ESI-MS and EA. For the 6,7-dihydroxy coumarin, there was selective phosphorylation in the 6-hydroxyl group in the reaction. XRD analysis of 2f is described. The crystal is nomoclinic, space group P2(1)/n. there is hydrogen-bonding interaction between O atom on P=O and H atom on O-H.展开更多
文摘Six kinds of phosphorylated coumarins are successfully synthesized by an Atherton-Todd reaction. They are fully characterized by FTIR、1H NMR、31P NMR、ESI-MS and EA. For the 6,7-dihydroxy coumarin, there was selective phosphorylation in the 6-hydroxyl group in the reaction. XRD analysis of 2f is described. The crystal is nomoclinic, space group P2(1)/n. there is hydrogen-bonding interaction between O atom on P=O and H atom on O-H.
