Azo Compounds 



ro7 



1720 



AZO COMPOUNDS CONTAINI^Xi 

 TWO NITROGEX ATOMS AND 

 OXYGEN. 

 AZO COMPOUND C12H3O2N2 



Quinone azine : CgH^ : N.N : C6H4 : 



and its quiiiliydroue C24H18O4N4 



Willstatter, R. luul Benz, M. Berlin, 

 Ber. D. ehem. Ges., 39, 1906, (3482- 

 3491). 



AZO COMPOUND C12H10ON2 



Benzene-azo-phenol 



CeHj.N : N.CeH^.OH 



4-BENZENEAZO-2-BROMO-6-NITROPHEMOL 



CeHj.N : N.C6H2Br(N02).OH 



Hewitt, J. T. and Walker, N. Action 

 of bromine on benzeneazo-o-nitrophenol. 

 [4-Benzeneazo-2 - bromo - 6 - nitrophenol 

 and its salts, and acetyl and benzoyl 

 derivatives.] London. J. Chem. Soc, 

 89, 1906, (182-186) ; [abstract] London, 

 Troc. Chem. Soc, 22, 1906, (16-17). 



AZO COMPOUND C12H10O2N2 



Phenol-azo-plietiol N2(C6H4.0H)2 



2>Azop]ienol 



a and y3-derivatives and their phenyl 



hydrazine salts. 



Also 0- and jn-azopheuol. 



Willstatter, R. und Benz, M. Berlin, 

 Ber. D. chem. Ges., 39, 1906, (3492- 

 3503). 



Diethyl ether N2(C6H4.0Et)2 



Dreyer, F. und Rotarski, T. Einige 

 Konstanten dcs p-Azophenetols. Zs. 

 physik. Chem., Leipzig, 54, 1906, (353- 

 366). 



AZO COMPOUNDS Ci3Hi„02N2 



Phenol-azo-benzoic aldehyde 



HO.CJi4.X2.C6H4.CHO 



PHENOL-p-AZO-O-NlTROBESZOIC Al.DEnYDE 



HO.C6H4.N2.C6H3(N02).CHO 

 Phenol and na^Dhthol derivatives. 



Sachs, l'\ und Kantorowicz, H. Ber- 

 lin, Ber. D.chem. Ges., 39, 1906, (2755). 



Benzene-o-azo-benzoic acid 



C6H5.N2.C,H4.C02H 



■l-chloro- and 2-A-chloro derivatives 

 [Reactions]. 



Frevmdier, P. Paris, C.-R. Acad, sci., 

 143, 1906, (909-911). 



Benzene-azo-'" benzoic acid 



C3H5.N2 CeH4.C02H 

 ethyl ester and amide. 

 Freundler, P. I.e. 



AZO COMPOUND CnHivONz 



Toluene-azo-phenol 



C6n4Me.N:N.C6H4.0H 



4-2>T0LL"EXE-AZ0-2-RR0M0-6-NrrK0PHEN0I. 



C6H4Me.N : N.C6H2Br(N02).0H 



Hewitt, J. T. and Walker, N. [i-p- 

 Tolueiieazo-2-bi'omo-()-nitrophenol and 

 its acetyl and benzoyl derivatives] 

 London, J. Chem. Soc, 89, 1906, (182- 

 186) ; [abstract] London, Proc. Chem. 

 Soc, 22, 1908, (16-17,!. 



AZO COMPOUND CnH,:0,N2 



Azobenz enylhyperoxide 

 PhCH:N.0.0.N: CHPh 

 m-NitiJ and p-methoxy derivatives. 



Franze i, H. and Zimmermann, F. J. 



prakt.Chsni., Leipzig, (N.F.), 73, .1.906, 

 (253-256). 



AZO COMPOUND C16H12ON2 



Benzene-azo-naphthol 



C6H5.N2.C,oHe.OH 



NlTR0BENZENI>.AZ0-(3-NAPHriI0L 



NO,.C6H4.N2.C,oHe(OH) 



Hewitt, J. T. and Mitchell, 11. V. 



[Preparation of 0-, ?H-and p-nitrobenzene- 

 azo-0-naphthol from I-bro;no-2-uaphthol, 

 and of p-nitrnbenzeneazo-3-naphthoi 

 from l-iodo-2-naphtliol and from 1- 

 chloro-2-naphthol.] London, J. Chem. 

 Soc, 89, 1906, (1167-1173); [abstract] 

 London, Proc. Chem. Soc, 22, 1906, 

 (170-171), 



Saposnikov, V. G. et Sventoslavskij , 

 V. L'ombinaison cuivrique du p-nitro- 

 beuzolnzo-|3-naplitol. (Russ.) St. Peter- 

 burg, Zurn. russ. fis.-chira. ObSc., 37, 

 1905, (559-567). 



AZO COMPOUND Ci6Hi20:N2 



Phenol-azo-;8-naphthol 



HO.C6H4.N2.C.0H6.OII 



DlNITR0ANlS0LE-AZ0-/3-NArnTH0L 



-MeO.C5H2(N02'2.N%.C,oHG.OH 



Meldola, R. and Stephens, F. G. C. 

 Loudon, J. Chem. Soc, 89, 1906, (923- 

 928) ; [abstract] London, Proc Chem. 

 Soc, 22, 19f.6, (157-158). 



