Enazo compds

Diaminomethylene compds. 2,4-Diaza-l, 3-dienes Enazo compds. 

Intramolecular heterodiene synthesis with enazo compds. 

A soln. of startg. enazo compd. in methylene chloride added to a stirred soln. of carbomethoxymethylenetriphenylphosphorane in the same solvent, and the mixture stirred at room temp, for 1 h product. Y 73%. F.e.s. O.A. Attanasi et al.. Tetrahedron Letters 29, 5787-8 (1988). 

Diaminomethylene compds. 2,4-Diaza-l,3-diene groups Enazo compds. Ene-l,2 diamines Enediazonium salts Enehydrazines... 

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