4-Acetylphenyl isocyanate may be used for the preparation of isocyanate-treated graphene oxide (iGO).It may be used for the following syntheses:(4S,5R)-2-oxo-4-(4-phenyl-piperazin-1-ylmethyl)-oxazolidin-5-ylmethyl (4-acetyl-phenyl)-carbamate(4S,5R)-2-oxo-4-(4-phenyl-piperazin-1-ylmethyl)-oxazolidin-5-ylmethyl (4-acetyl-phenyl)-carbamate2-oxo-4-(4-phenyl-piperazin-1-ylmethyl)-oxazolidin-5-ylmethyl phenyl acetate2-oxo-4-(4-phenyl-piperazin-1-ylmethyl)-oxazolidin-5-ylmethyl (4-acetyl-phenyl)-carbamate