Isocyanatophosphoric Acid Dichloride: A Novel Reagent for the Introduction of a Cyano Group into the Molecules of Electron-Rich Heterocycles and Enamines - Smaliy, Radomir V; Chaikovskaya, Aleksandra A; Pinchuk, Aleksandr M; Tolmachev, Andrei A (Synthesis, 2002)