formulations by van valkenberg marcel dekker inc new york 1973 pp 175 186 solid formulations preferably contain between 25 and 75 by weight of the shown urea in order to illustrate the use for the new compounds of structure i reference is made to the following examples which are not to be understood as limiting the invention in any form to a mixture of 9 3 g of acrylamide and 125 ml of o dichlorobenzene in a 500 ml 3 neck flask equipped with thermometer and reflux condenser carrying a drying tube 25 g of 4 ethoxycarbonylphenyl isocyanate and 0 1 g of hydroquinone was added with stirring the resulting mixture was heated at 150 u00b0 c for 90 minutes under stirring the clear solution was then allowed to cool to room temperature and stand overnight before filtering the formed white crystals recrystallization of the 29 8 g of crude material 88 of theory from ethanol produced 17 9 g 53 of white crystalline 1 acryloyl 3 4 ethoxycarbonylphenyl urea m p 188 u00b0 90 u00b0 c the ir and nmr spectra confirmed the assigned structure a mixture of 35 6 g n bromosuccinimide 16 8 g of alcyl chloride.