Add time:07/19/2019         Source:sciencedirect.com

The isocyanate RfCH2NCO (Rf=CF3(C2F5)2C)reacts under strongly acidic conditions to form the salt RfCH2NH3(+)HSO4(−)(1) which yields, on treatment with sodium nitrite the diazaoalkane RfCHN2 (3). Dissolution of (1) in D.M.S.O. gives, by a remarkable decomposition reaction, the alkane RfH (2). Reaction of (3) with excess sodium nitrite affords the isocyanate RfNCO (4) which is stable to water,but which reacts with ammia to give the urea RfNHCONH2 (5); this latter was not readily hydrolysed .Photolysis of (3) yields the diazadiene RfCHNNCH Rf (7). Thermolysis of (3) alone afforded the diazadiene (7), but reaction in the presence of copper (II) perchlorate afforded (7) and the aldehyde RfCHO (6)

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