Synthesis of Methyl 2-[(Benzyloxycarbonyl)amino]-3-cyanopropenoate and Its Transformations into Derivatives of Pyrrole, 2,5-Dioxoimidazolidine, 1H-Pyrazole, and 4,6-Diaminopyridazine
Synthesis of Methyl 2-[(Benzyloxycarbonyl)amino]-3-cyanopropenoate and Its Transformations into Derivatives of Pyrrole, 2,5-Dioxoimidazolidine, 1H-Pyrazole, and 4,6-Diaminopyridazine