With the optimised conditions in hands, we started to investigate the product scope of the iron-LMCT induced C-H abstraction in water. Trapping reagents 4, 9 and 11 gave moderate yields of the respective C-H functionalised product whereas acrylonitrile derivatives 5 and 6 and 8 as well as arylates 7 and 10 led to polymerisation of the respective double bond, indicated by the formation of a white viscous precipitate (Scheme 4). From 1 H-NMR spectroscopic evaluation, starting material 1 was not converted.