OF AROMATIC COMPOUNDS. 7 1 



condensation products of the same with the nitro- 

 aldehyde present. The nitro-benzylidene-aldehydo- 

 phenyl-hydroxylamines are thus formed : 



+ 4H = H ' + C H '\NHOH. 



2. 



/CHO 

 U H \ /O\ 



\N - CH.C 6 H 4 .NO 9 . 



p-Nitro-benzylidene-p-aldehydo-phenyl-hydroxylamine y 



C.CHO C.NO, 



# \ / ^ 



HC CH HC CH 



I II II I ' 



HC CH HC CH 



V/ /o\ \ c // 



_N -- CH- 



may thus be prepared from p-nitro-benzaldehyde. 



From m-nitro-benzaldehyde an analogous compound 

 is formed. 



Gattermann, 1 on reducing several aromatic nitro- 

 ketones, obtained the corresponding derivatives of 

 amido-phenols. 



By a similar treatment amido-oxy-acetophenone, 



1 Chem. Ber. , 29, 3034. 



