1720 



706 



172a 



AZO COMPOUND CmH,04N2 



Benzene azo-malonic acid 



C6Hs.X2.Cn(CO,H)2 

 Ethyl ester of the Seminitrile 



CN.CH(CO,Et).N:NPli 

 {Benzene-azo-cyanoacetie ester) 

 a and ^ forms. 

 Weissbach, Hans. J. prakt. Cliem., 

 Leipzig, (N.F.), 67, 1903, (395-413). 



AZO COMPOUND CioHi 0^N2 



Benzene-azo-acetoacetic acid 



CeHs.N^.CHAc.CO.H 

 Menthrjl ester. 

 Lapworth, Arthur. [Meuthyl phenyl- 

 azoaceloacetate and its rotatory power ; 

 also the action of phenylhydrazine and 

 of diazolates on it.] London, J. Chem. 

 Soc, 83, 1903,(11-^0-1121); [Abstract] 

 Proc. Chem. Soc, 1903, (149). 



23-ClILOI!OBENZEKE-.\ZO-.\CETOACETIO ACID 



OioHgOjNiCl'i.e. 



C6H4Cl.N2.CH(CO.Me).C02H 



Mcnthijl ester 



Lapworth, Arthur. [Menthyl p- 



chlorophenvl-azoacetoacetale and its 



rotatory power; also the action of 



uhenylhydraziue and of diazotates on it.] 



London, J. Chem. Soc, 83, 1903, (1123); 



[Abstract]. Proc. Chem. Soc, 19, 1003, 



(149). 



p-BROMO-nENZESE-AZO-ACETOACETlC ACID 



CoHgOsXjBr i.e. 

 CJI,P.r.N2.CH(CO.Me).C02H 

 Menthijl ester 

 Lapworth, Arthnr. [Menthyl p 

 Lromophenylazoacetoacetate and its 

 rotatory power ; also the action of phenyl- 

 hydrazine and of diazotates on it]. 

 London, J. Chem. Soc, 83, 1903, (1122- 

 1123^; [Abstract]. Proc. Chem. Soc, 

 19, 1903, (149). 



AZO COMPOUND CnHi203N2 



2>Toluene-azo-acetoacetic acid 



CeH^Me . K2 . CH CO . Me) . CO^H 

 Menthijl ester 

 Lapworth, Arthur, [ilenthyl p-tohiene- 

 azoacctoacetate and its rotatory i^ower ; 



also the action of phenylhydrazine and 

 of diazotates on it.] London, J. Chem. 

 Soc, 83, 1903,(1121-1122); [Abstract]. 

 Proc. Chem. Soc, 19, 1903. (149). 



AZO COMPOUND C12H10ON2 



Benzene-n^azo-phenol 



CeH5.N2.CeH,. OH 

 (m-Oxyazohenzene) and its acetyl ana 

 benzoyl derivatives, salts and reduction- 

 products. 

 Jacobson, P[aul] und Honigsberger, F 

 Berlin, Ber. D. chem. Ges., 36, 1903. 

 (4093^123). 



Methyl ether C13H12ON2 



i.e. CeH5.K2.C6H4.OMe 



(Benzene-azo-m-anisole) 



Jacobson, P[aul] und Honigsberger, F. 



Berlin, Ber. D. chem. Ges., 36, 1903, 



(4093-4123). 



AZO COMPOUND C; HioO.N 



))(-Oxybenzene-'"-azo-phenol 



X2fCeH4.0Hj2 (m-Azophenolj 



and the diaeetijl, dihenzoyl, nitro anti 



diaeetyln'itro derivatives. 



mbs, K[arl] und Kirscli, W. Uebe. 



m-Azophenol. J. prakt. Chem., Leipzi- 



(X.F.), 67, 1903, (265-273). 



Kirsch, Wilhelm. Zur Kenntnis d( 

 m-Azophenols. Diss. Giessen (Dnul 

 yon X itschkowski), 1 903, (35). 23 cm . 



AZO COMPOUND Ci;Hi O.-NS: 



7»-Sulpliobenzene-azo-benzene 



m-sulplio .ic acid X2(C6H4.SU3H:: 



{Azobenzene-m-disulphonie acid.) 



Tetrahromo derivative. 



Zincke, Th[eodor] und Kuchenbecker. 



\. Liebigs Ann. Chem. Leipzig. 330, 



1903, (1-37). 



/^-Sulphobenzene-azo-benzene 



2'-sulphonic acid X.iCeH, . SO,!! 



[A-.nl'riir.e)ic <ii-p-stdphonic acid 



TeTIJABROMOAZOBESZEN E-p-DISULPUON : 

 ACID 



C,2HeOeBr4N2S2 i.e. N2(CeH2Br2 . SOL 



Lenz, W. Liebigs Ann. Chem., !-• 

 zig, 330, 1903, (37-46). 



