1330 



558 



1330 



6-Ajiino- 2-NAPniuoL 8-sulphonic xciw 



Jacchia, Arturo. Ueber trisiibstitu- 

 irte Derivate des Naphtalius. Liebigs 

 Ami. Clipm., Lpipzio-, 323, 1902, (113- 

 134). 



SULPIIO^UC ACIDS CnH2n.604S4 



Benzene m-dithiodisulphonic acid 



C6H6O4S4 i.e. C6H4(SU2 . SH)2 



Troeger, J[ulius] imd Meine, W. 



Ueber einige Salze der m-Benzolditliio- 

 suKonsiiure. Berlin, Ber. D. chem. 

 Ges., 35, 1902, (2164-21 G8). 



BENZENOID ACIDS WITH FOUR 

 OXYGEN ATOMS. 



ACIDS CnH2„-304 



ACIDS C7H,04 



s-Dioxybenzoic acid 



CeHaCOFDj.COoH [1:3:5] 



Dimethyl derivative C9H1QO4 

 and its melhyl ester. 



Billow, Carl uud Riess, Gustav. 

 Ueber das 3 . 5-Dimethoxybenzoylaceto- 

 phenon. Berlin, Ber. D. chem. Ges., 

 35, 1902, (3900-3905). 



Etlnjl ester of the dimethyl derivative 

 CeHjCOMe)^ . COsEt 



Kostanecki, St[anislaiis] von uiid 

 Weinstock, P. Ueber das 3.3'.5'-Trioxy- 

 llavon. Berlin, Ber. D. cliem. Ges., 35, 

 1902, (2885-2887). 



Protocatechuic acid 



C6H3(OH)2 . CO2H [4:3:1] 



Piutti, A. et Comanducci, E. Sur les 

 acides de Bignoniu Catalpa. Paris, 

 Bui. soc. ckim., (ser. 3), 27, 1902, (613- 

 ()20). 



Oxysalicylic acid 



C6H3(OH)X'02H [4:2: 1] 



NiTEO-OXY-SALICYLIO ACID. 



Methyl derivative 



CallvOeN i.e. 



MeO . C6H2(OH) (NO2) . CO2H 



Gilbody, A. W. and Perkin, W. H., 

 jun. [Nitrometboxysalicylic acid 



(m. p. 230"; formed by tlie action oJE 

 nitric acid on trimethylbrazilone and l)y 

 nitration of 7>metho.\ysalicylic acid.] 

 London, J. Chem. Soc, '81, 1902, 

 (1056). 



ACID C3H8O4 



Dioxytoluic acid 



HO.CH2.C6H3(OH).C02H 



Methyl derivative 



MeO . CH; . CeHsCOH) . CO2H 



(Methoxymethylsalicylia acid) 



and its melhyl ester and amide. 



Auwers, K[arl] nnd Huber, L. Ueljer 

 Pseudopheuole aus Salicylaldehyd und 

 .Salicylsiiure. Berlin, Ber. I), chem. 

 Ges., 35, 1902, (124-131). 



ACIDS C9H10O4 



Dioxyphenylpropionic acid 



[1:3: 1] CoUji OHi, . ClIMe . CO2H 

 and its dimethyl derivative 

 CeHjfOMe), . CHMe . COjH 



Bougault. Osydation de I'anethol et 

 dcs composes analogues a chaine laterale 

 l^ropenylique. Ann. chim. phys., Paris, 

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



f^-p-Dioxyphenylpropionic acid 



G6H4(OH) . CHi^OH) . CH, . CO2II 



Tribromouioxvphenylpuoi'ionic acid 



C6H2Br2(OH) . CH(OH) . CHBr . CO2H 



Methyl derivative of the methyl ester 



HO . C6H2Br2 . CH(OMe; . CHBr . C02Me 



[4:3:5:1] and Ethyl derivative 



HO . C6H2Br2 . CH(OEt) . CHBr . COjH 



Zincke, Th. Liebigs Ann. Chem., 

 Leipzig, 322, 1902, (174-238) ; 325, 

 1902, (19-92;. 



ACIDS C10H12O4 



Dioxyphenylbutyric acid 



1 10 . CHPh . CH2 . CH(OH) . CO2H 



a-O.XY-7-PHENYL-BtTYROLACTONE 



CjoHjoOj i.e. 



CHPh<'^^2 . CH . OH 

 — CO 



Erlenmeyer, E[mil] jun. Ueber das 

 o-Hydroxyjjhcnylbutyrolacton nnd seine 

 UeberfiUirung in Benzoylpropionsaure. 

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

 (3767-3769). 



