The reaction of 2, 2, 2-fluorodinitroethylamine with acid chlorides was used to prepare a variety of fluorodinitroethyl-substituted amides, urethanes, and ureas. Urethanes were also prepared by the addition of alcohols to 2, 2, 2-fluorodinitroethyl isocyanate. The use of the tert-butyl group as a protecting group in the synthesis of