Short and Practical Synthesis of N′,N′-Disubstituted N-Aryl-1,2-Ethylenediamines by a Decarboxylative Ring-Opening Reaction under Nucleophilic Conditions - Morita, Yasuhiro; Ishigaki, Takeshi; Kawamura, Kuniaki; Iseki, Katsuhiko (Synthesis, 2007)