The nitration of organic compounds is widely used as a step in the synthesis of pharmaceutical products and other fine chemicals. A large variety of nitrating agents are available, ranging from HNO, to metallic nitrates-H, SO, and HCl,'as well as nitronium salt^,^- ^ or acetyl However, in spite of the different studies performed and of the improvements made to the nitration process, there are still significant problems associated with poor ...
