622 REPORT— 1894. 



By the same process, ortho-nitrotoluoldiazoimide 



N< I! 



yields dinitrosotoluene 



CH3 

 NO 



/\no 



CH, 

 On the other hand, the diazoimides 



/N N 



N< II N/ II 



I \n I \n 



CHjI-^NOj and CHj .'^^NOj 



CH3 



in which a methylic group occupies an ortho-position in respect of the 



N<ll 

 \N 



group, have hitherto resisted every attempt of decomposition by heat, from some 

 cause yet to be investigated. 



3. On tho Formation of Indazol Derivatives from. Aromatic Diazo-com2)ounch, 

 By Professor E. Noelting, Midhouse, Alsace. 



Professor Witt, Dr. Grandmougin, and myself showed a few years ago that the 

 diazo-derivative of nitro-orthotoluidine, fusing-point 107° 



N = N-C1 



Noi J 



when hcatsd with water, not only yields the corresponding uitrocresol 



OH 



^°^\/ 



but in about equal quantity a new body, which we proved to be nitro-iadazol, 



il >NH 



