Heterocycles and uses thereof

摘要

Compounds of the following formula are disclosed: wherein R^B is a substituted or unsubstituted aryl or heteroaryl moiety; at least one of R^U and R^L is a phosphorus-containing moiety, J, and the other of R^U and R^L is independently chosen from H; halogen; -CN; -NO₂; -J; -SO₂R; -SO₂NRR'; or -ZR^J, wherein each occurrence of Z is independently -O-, -S- or -NR- and each occurrence of R^J is independently -R, -COR, -COOR or -CONRR'.