Azo Compounds. 



708 



1720 



AZO COMPOUND C-H, ONo 

 Naphthol-azo-benzoic aldehyde 



XAPHTIlOL-p-AZO-O-NITKOBESZOIC ALDEHYDE 



HO.CioHe.N^.CeHsCNO^iCHO 



Sachs, F. und Kantorowicz, H. Ber- 

 lin, Ber. D. cheni. Oe^., 39, 1906,(2755). 



AZO COMPOUND Ci7Hi203N2 



Benzene-azo-a-oxynaphthoic acid 



Ph.X2.CioH5(OHj.C02H 



Grandmoug-in, E. t.e. (3609-3611). 

 AZO COMPOUND C17H14O2N2 



Benzene-azo-dimethylcoumaiin 



-CO 



Hewitt, J. T. and MitcheU, H. V. 



Azo-derivatives of 4 : (j-dinietliylcou- 

 mariu. [Renzeneazo-4 : 6-dinietliylcou- 

 inariu and its o-, m- and p-niti-o-deriva- 

 tives.] London, J. Chem. Soc, 89, 1906, 

 (13-17); [abstract] London, Proc. Chem. 

 Soc, 21, 1905, (29R). 



AZO COMPOUND C20H14O2N2 



Benzene-azo-methylnaphtha- 

 coumaiin 



-O CO 



Hewitt, J. T. and MitcheU, H. V. 

 Azo-derivatives of 4-niethyl-a-naphtho- 

 coumarin. [Benzeneazo-4-metliyl-o- 



naplithocoumarin and its o-, m- and p- 

 nitro-derivatives.] London, J. Chem. Soc, 

 89, 1906, (17-19); [alistract] London, 

 Proc. Chem. Soc, 21, 1905, (.302). 



AZO COMPOU:sD WITH TWO 

 NITROGEN ATOMS, OXYGEN 

 AND SULPHUR. 



Azobenzoic aldehyde disulphonic 

 acid 



Salt : Ci^H^OaN^S^Kj i.e. 

 N2|C6H3(S03K).CH0 [4:2:1^1 



Green, A. G. and Crosland, P. F. 

 [Potassium azobenzaldehvdesnl|)honate.] 

 London, J. Chem. Soc, 89, 1906, (1602- 

 1614). 



AZO COMPOUNDS WITH THREE 

 N I TROGEN A TOMS. 



AZO COMPOUND Ci2HnN3 



Benzene-azo-aniline 



•^"eHs-Nj.CfiH^.XHj 



Bexzene-azo-dimethyianilise 



Methyl-hydrox i de 



CeHs.X^.CeH^.NMes.OH 



or C6H5NMe.N : CeH^ : NMezOH 



(Azobeuze)ietrimethylammonium). 



The iodide, bromide, chloride, hydroxide 

 and iloul)le salts. 



Vorlander, D., Logothetis, A. und 

 Perold, A. S. Liebigs Ann. Chem., 

 Leipzig, 345, 1906, (303-314). 



AZO COMPOUND CuHnNs 



Benzene-azo-toluidine 



Ph.X2.C6H3Me.XH2 



BEXZIXE-AZO-DIPnENYL-Jft-TOLCIDINE 

 ^25021^3 



i.e. Ph.N2.C6H3Me.XPh2 



Haeussermann, C. Berlin, Ber. D. 



chem. C.;es.,39, 1906, (2762-276-5). 



AZO COMPOUND C17H15N3 



T oluene - az o-/8-naphthylamiue 

 C7H7.X2.C10H6.XH2 



2J-T0LDEXEAZ0-j8-AMIS0-8-NlTR0- 

 NATHTHALENE 



C,H,.X2.C,oH5(XH2).N02 



Smith, C. London, J. Chem. Soc, 



1906, (1505-1512) ; [abstract] 



89 



London, Pi-cc 



(236-237) 



Chem. Soc, 22, 1906, 



AZO COMPOUNDS WITH THREE 

 NITROGEN ATOMS AND OXYGEN. 



AZO COMPOUND Ci NjiONs 



Aminobenzene-azo-benzoic 

 aldehyde 



XHj.CgH^.Xj.Cell^.CHO 



p-DlMETHYLAMINOBENZENE-AZO-O-NITHO- 

 BENZOIC ALDEOYDE 



NAIe2.C6H,.N2.C6H3rN02).CHO 



Sachs, F. luul Kantorowicz, H. Berlin, 

 Ber. D. chem. Ces , 39, lUUG, (2754). 



