1330 



5G6 



1330 



BENZENOID ACIDS WITH SIX 

 OXYGEN ATOMS. 



ACIDS CHzn-sOe 



ACID CgHioOe 



Tetraoxyphenylpropionic acid. 



MeUiylene-dimetliijl derivative 

 CHj : O2 :C6H(OMe)2 . CHMe .CO^H 



Bougault. Oxydation de I'anethol et 

 des comijoses analogues a chaiiie laterale 

 propeaylique. Ann. chim. phys., Paris, 

 (ser. 7), 25, 1902, (483-574). 



ACIDS CnH2„^,„0. 



ACID CgHeOe 



Dioxyphthalic acid 



Diinethyl derivative 



CjoH.oOe i.e. {MeO),C,li,{CO,-iI)2 



Perkiti, W. H. jun [Formation of 

 ?ft-lieniipinic acid by tlie action of heat 

 on dimethoxycaiboxy-benzoylforniic 



acid and by the oxidation of ?«-mecoiiine 

 and of hrazilinic acid.] London, J. 

 Chem. Soc, 81, 1902, (^1008-1040). 



ACID CsHsOg 



Dioxycarboxyphenylacetic acid 



COjTI . C6H2(OH)2 . CH2 . CO2H 

 Dimethyl derivative 



COjH . CH2 . C6H2(OMe)2 . COjH 



Perkiu, W. H. jun. [Dimethoxy- 

 carboxybenzylformic acid from the 

 oxidation of trimethvlbrazilin.] London, 

 J. Chem. 8oc., *81, 1902, (1028- 

 1029). 



ACID C12H14O0 



Dimethylaviino-derivative 

 CuHigOeN i.e. 



C8H603(CHMe . OH) . CH(NMe2) . COjH 



Freund, Martin und Bamberg, PauL 

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

 (1739-1754). 



ACIDS CnH2n-,206 



ACID CioHsOe 

 Dioxybenzoylpyruvic acid 



C6H3(OH)2 . CO . CH2 . CO . COjH 



Ethyl derivative of the ethyl eater 



Ci.HieOe i.e. [5:2:1] 



C6H3(OEt)(OH) . CO . CH2 . CO . C02Et 



David, E. und Kostanecki, St[anislaus] v. 

 Lleber das 2-Oxvchromon. Berlin, 

 Ber. D. chem. Ges., 35, 1902, (2547- 

 2549). 



ACID CioH.iOe 



Trimethylbenzene tricarboxylic 

 acid 



[5:4:3:2:1] C6lIMe2(CH2.C02H)(C02H)2 



{DimethylhomophtluiUe earhoxyUe acid). 



WolfiF, Ludwig. Condensatious- 



jiroducte der Tetronsanre. [2. AIjIi.] 

 Liebigs Ann. Chem., Leipzig, 322, 10U2, 

 (351-391). 



ACIDS C„H2n-3o06 



ACID CzsH.eOe 



Dibenzoyl-uvitic acid 



C6HMeBz2(C02U)2 



Mills, A\"iUiam Hobson and Easter- 

 fleld, Thomas Hill. [s-Dibenzoyluvitic 

 acid and its salts and methyl ester. 

 as-Dibenzoyluvitic acid and its salts.] 

 Loudon, J. Chem. Soc, 81, 1902, (1320- 

 1322) ; [abstract] London, Proc. Chem. 

 Soc, 18, 1902, (167-169). 



SULPHONIC ACID WITH SEVEN 

 OXYGEN ATOMS. 



ACID CnHjn-nOjS? 



ACID CnH.sOySz 



Tolylphenoldisulphonic acid. 



p-ToLYL-m-.AMraOPnEN0L DISULPHONIO 

 ACID C,3H,30,NS2 



Gnehm, R. mid Veillon, L. J. prakt. 

 Chem., Leipzig, (\.F.;, 65, 1902, (49- 

 81). 



al.^O the TRISULPHONIC ACID C13H13O10NS3 



Gnehm, R. und Veillon, L. J. prakt. 

 Chem., Leipzig, (N.F.\ 65, 1902, (49- 

 81). 



