Amir Hossein Zamani*, Hamid Reza Ghaienia Malek Ashtar University of Technology, Tehran, Iran, 1465943681 A B S T R A C T In this process synthesis of Cyclohexane Carboxylic acid, 1-(phenyl amino) – methyl ester is described. These intermediate important can be utilized in the production of commercial synthetic analgesics carfentanil. In summary, we have developed an efficient and original ... Read More »