Abstract
α-Hydroxyphosphonates were successfully converted to the corresponding phosphates applying the phospha-Brook rearrangement under phase transfer catalytic conditions. Among several possible catalysts tested, K2CO3, Cs2CO3, as well as modified Moroccan phosphates were found to be suitable.
Graphical Abstract
![](/cms/asset/7f8db5bc-0d61-4de9-8992-ac839d0a7ce0/gpss_a_1547722_uf0001_oc.jpg)