1630 (^61 



?«-OxTI!EKZALDEirn>EPHEJJTLin'DRAZONE. 



The triehloro Ci3H30N2Cl3 



i.e. CeHClaCOH) . CH : N . NHPh 



and tvihromo derivatives and their 

 diacetates. 



Biltz, Heiuricli und Eammann, Otto. 

 Lidtoxydatiousversuche mit den Phenyl- 

 hydrazonen des m-Oxybenzaldehyds und 

 einiger Derivate. Liebigs Ann. Chem., 

 Leipzig, 321, 1902, (32-37). 



BeNZOTLGLTOXTLIC ester a-ACETYLPHENl"L- 

 HYDRAZONE 

 C19H18O4N2 



Biilow, Carl und Hailer, Ekkehard. 

 Ueber die Einwirkung von Diazovei- 

 bindungen auf 2-Acyl-l .3-ketosaureester. 

 Berlin, Ber. D. chem. Ges., 35, 1902, 



(915-938) 



OSAZONES DERIVED FROM PHESTLHYDEAZINE. 



[Osazones are frequently described in 

 papei-s deahng with compounds contain- 

 ing the . CO . CO . group in their 

 formulae, see UOO-1550 ; 1800-1850.] 



Dtbroino-dioxydiphenyl diketone osazone 

 and its acetyl derivative. 



Also Tetrahromodioxydiphenyl diketone 



a-(and fi-) osazone C26Hi802N4Br4 i.e. 



C6H2Br2(OH) . C : N . NHPh 



C6H2Br2(OH) . C : N . NHPh 



and their acetyl derivatives. 



Biltz, Heinrich und Amme, Otto. 

 Ueber die Oxydation des p-Oxybenz- 

 aldehydphenylhydrazous und einiger 

 Derivate zu a-Diketonosazonen. Liebigs 

 Ann. Chem., Leipzig, 321, 1902, (1-32). 



Tetraiododioxydiphenyl diketone 



o- (and $-) osazone C26H18O2N4I4 



{Tetraiododioxybenzil-osazones) 



and their acetyl derivatives. 



Biltz, Heiurich und Amme, Otto. 

 Liebin;s Ann. Chem., Leipzig, 321, 1902, 



(1-32). 



1630 



Dinitrodioxydiphenyldiketone osazone 



C26-tl2o06^6 



(Dinitrodioxybenzilosazone) 



Three isomeric forms and their 

 acetylation. 



Biltz, Heim-ich und Amme, Otto. 

 Liebigs Ann. Chem., Leipzig, 321, 1902, 

 (1-32). 



Tetra-oxy-diphenyl diketone-a-osazonc 

 C6H3(0H)2 . C(N2HPh) . C(N2HPh). 



C6H3(OH)2 



Dimethyl etlier 



[C6H3(OMe)(OH) . C(N2HPh) .^ 



[Vanillil-a-osazo ne.) 



Biltz, Heinrich wad Amme, Otto. 

 Liebigs Ann. Chem., Leipzig, 321, 1902, 

 (1-32). 



PhESTLS ITEOSOUroE AZIN E 



PhN(NO) . NH2 



Acetyl denvative C8H9O2N3 i.e. 



C5H5 . N(NO) . NH . CO . CH3 



WoM, A[lfred] imd Schiff, Hans. Ueber 

 Derivate des Phenvltriazans. Berlin, 

 Ber. D. chem. Ges., 35, 1902, (1900- 

 1904). 



Benzoyl denvative C13H11O2N3 i.e. 



CfiHs . N(NO)NH . CO . CgHg 



[Benzoylpkenylnitrosohydrazine) 



Sodimn and silver salts. 



Voswinckel, Hugo. Ueber nitrosirte 

 Acvlphenvlhvdrazine. Berlin, Ber. D. 

 chem. Ges., 35, 1902, (1943-1947). 



p-CHLOROPHEN'YLffVDR.VZISE 

 CgH^Cl . NH . NH2 



Nitroethylidene-p-cMorophenyl- 



kydvazine 



CH3 . C(X02)N . NH . C8H4CI 



(Nitroaeetaldehyde-p-chlorophenyl- 



hydrazone.) 



Bamberger, Eug. mid Grob, Jac. 



Ueber Plieuylazoatliylidennitronsaure- 

 ester imd Phenylazoacetuldoxim. Berlin, 

 Ber. D. chem., Ges., 35, 1902, (67-82). 



