148637-95-0Relevant articles and documents
Ring Transformations of Pyrazolinones via Azoolefins - a New Way to the 1,2,3-Thiadiazol-System
Lutze, Gerhard,Kirschke, Klaus,Huebner, Petra,Schmitz, Ernst,Ramm, Matthias,Krauss, Norbert
, p. 169 - 175 (2007/10/02)
Electrophilic attack of thiocyanate/bromine to azoenamine (2a) yields thiocyanato compound 3a which cyclizes into 1,2,3-thiadiazolium-salt (5a) on treatment with perchloric acid. 2-Halo-3-arylazo-propenamides (8) from directly thiadiazolium-salt (11) with