1330 



565 



1330 



p-Metlioxyp}ienyl-2-nitro-3-acetoxy-i- 



methoxycinnamic acid CigHiyOsN and 



p-iIethoxyphenyl-'2-amino-3-acetoxy-4r 



methoxycinnamic acid. 



Pschorr, R[obert], Seydel, C. uud 

 Stohrer, W. Berlin, Ber. D. chem. Ges., 

 35, 1902, (4400-4410). 



ACIDS C0H2U-20O5 

 ACID C15H10O5 



Trioxyphenanthrene carboxylic 

 acid. 



3.4.6- Trimethoxyphenanthrese 



9-CAEBOXYIJC ACID CigHieOj 



Pschorr, R[obert], Seydel, C. und 

 Stblirer, W. Ueber die Constitution des 

 Tliebaols. Berlin, Ber. D. chem. Ges., 

 35, 1902, (4400-4410). 



3.6-DlMETHOXY-4-ACETOXY-PHESiNTHRESE 

 9-CABBOXYLTC ACID CigHigOg 



Pschorr, R., Seydel, C. nnd Stohrer, 

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

 1902, (4400-4410). 



SULPHONIC ACIDS CONTAINING 

 SIX OXYGEN ATOMS. 



ACIDS CaH2n-2o06S 



ACED CuH.OoS 



Oxyanthraquinone sulphoiiic acid 



C6H4 : C2O2 : CeHji^OHj . SO3H 



1-Amino-4-oxy-anthraquisone3-sulphonic 



ACID C14H9O6N3S i.e. 



C6H4 : C2O2 : C6H(XH2)(OH) . SO3H 



Wacker, Leonhard. Ueber den Aus- 

 tausch der Diazogruppe durch die 

 Amidogruppe. Berlin, Ber. D. chem. 

 Ges., 35,1902, (2593-2602). 



ACID CnH2c-2206S 



ACID CiaHieOeS 



Triox3rtriphenylmethane sulphonic 

 acid 



(CeH^OHjjC . SO3H 

 Trimethyl derivative C22H220eS i.e., 



qCeH^.OCHjjjSOsH 

 (Tri-p-anisylmethylsulphonic acid). 



Baeyer, Adolf und Villiger, Victor. 

 Diljenzalaceton und Triphenylmethan . 

 (2. Mitt.;. Berlin, Ber. D. chem. Ges., 

 35, 1902, (3013-3033). 



DISULPHONIC ACIDS 

 CONTAINING SIX OXYGEN 

 ATOMS. 



ACIDS CHsu-eOeSz 



ACID CsHgOsSz 



Benzene disulphonic acid 



C6H4(S03H)2 



Troeger, J[nlius] nnd Meine, W. 



Ueber die Einwirkung von Arj'laminen 

 anf m-Benzoldisulfonchlorid und 1.2.4- 

 Toluoldisulfouchlorid. Berlin, Ber. D. 

 chem. Ges., 35, 1902, (1959-1960). 



Anilide Ci8H,604N2S2 i.e. 

 CeH4(S02NHPh)2 also its 



Dihenzyl and Diaeetyl derivatives. 



Autenrieth, ^[ilhelm] imd Hemmigs, 



R. Ueber schwefelhaltige cyclische 

 Verbindimgen. (2. Mitt.) Berlin, Ber. 

 D. chem. Ges., 35, 1902, (1388-1400). 



ACID C,H806S2 



Toluene disulphonic acid 



MeC6H3(S03H)2[l:2:4] 



Anilide C19H18O4N2S2 i.e. 

 CeH3(CH3)(S02NH.Ph)2 



Troeger, J[ulius] uud Meine, W. 

 Ueber die Einwirkimg von Arylaminen 

 auf m-Benzoldisidionchlorid imd 1 .2.4- 

 Toluoldisulfonchlorid. Berlin, Ber. D. 

 chem. Ges., 35, 1902, (1959-1960). 



0- aud m- Tohdde C21H22O4N2S2 



Troeger, J[ulivis] imd Meine, W. 

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

 (1959-1960). 



ACIDS CnH.n-ieOGSj 

 ACIDS C,4Hi206S2 



Diphenylethylene disulphonic acid. 



DlKITRODIPHENYLETHYLENE DISULPHONIC 



ACID C14H10O10N2S2 



(Dinitrostilbene disulphonic acid). 



Escales, R. Berlin, Ber. D. chem. Ges., 

 35. 1902, (4146-4149). 



