Acids. 



733 



133a 



.SULPHOXE ACIDS CHzn-ieO.S 

 SULPHONE ACID C-Hi O4S 



Diphenyl sulphone o-carboxylic 



acid 



CeH5.SO2.C5H4.CO2H 



Doughty, Howard W. Phenylsul- 

 phoiieorthocarbonic acid and related 

 compounds. [With biographical note.] 

 Diss. Johns Hopkins University 

 Ph.D. Lancaster, Pa., 190i,' (vi + 7- 

 48,). 23.5 cm. 



SULPHONE ACID Ci5Hi404S 



Phenylsulphono-)3-phenylpropionic 



acid 



PhSOs.CHPh.CHj.COjH 



Kohler, E. P. and Reimer, M. Amer. 



Chem. J., Baltimore, Md., 31, 1904, (163- 



164). 



Dimethyl ether 

 CgHjoO^ I.e. CO2H.C6H3(0iJe)2 



Perkiii, William Henry jiin. and 

 Schiess, Emanuel. [Dimethyl-/3-resor- 

 cylic acid and its metliyl and ethyl 

 esters.] London, J. Chem. Soc, 85, 

 1904, (159-165); [abstract] London, 

 Proc. Chem. Soc, 19. 1903, (14-15). 



Xitro-;3resorcylic acid 



C6H2(X02)(0HJ2C02H 



Amino-zS-resorctlic acid 

 C6H2(XH2)(OH).C02H 



Hemmelmayr, Franz v. Uber die- 

 Eiiiwirkung von Salpetersaure auf ;8-Re- 

 sorcylsiiure nnd einige Derivate der 

 letzteren. Wien, SitzBer. Ak. Wiss., 

 112, 1903, (Abt. Ill), 813-837) ; Wien, 

 MonHJte Chem., 25, 1904, (21-45). 



SULPHONE ACID CieHi O4S 



p-Tolylsulphono ;3-phenylpropioiiic 



acid 



CjHj.SO^.CHPh.CHs.COjH 



Kohler, E. P. and Reimer, M. loc. cit. 



Oxysalicylic acid 



C6H3(0H)2C02H[1:4:6] 



Salt : C^HsOjBi 



Thibaiat, Paul. Paris, Bui. 

 chim., (ser. 3), 31, 1904, (36-38J. 



BEXZENOID ACIDS WITH FOUR 

 OXYGEN ATOMS. 



ACIDS C,.H2n-604 



ACIDS CrHeO^ 



Protocatecliuic acid 



C6H3(0H)2.C02H 



Salts : CvHsOsBi ; CH^OjCiK ; 



C;H405BiNa and the anilide 



HO.Bi02C6H3.CONHPh 



TMbault, Paul. Sur I'acide bismutho- 

 protocatechique. Paris, Bul. soc. chim., 

 (ser. 3), 31, 1904, (170-178). 



Anilide 

 C6H3(OH)2.CO.XHPh 

 Thibault, Paul. Sur I'anilide proto- 

 catechique. Paris, Bul. soc. chim., 

 (ser. 3j, 31, 1901, (920-922). 



/3-Resorcylic acid 



C,U,(OUj,.CA\H [I : 3:41 

 Salt :C,H505Bi 



Thibault, Paul. Sur quelques com- 

 binaisons du bisnmth avec' les acides 

 oxybenzoiques. Paris, Bul. soc. chim , 

 (ser. 3), 31, 1904, (36-38). 



ACID C,H.04 



Dioxytoluic acid 



C6H2Me(UH;2.C02H [0:4:2:1] 

 (PrselUe acid. Orsellinic acid). 



Henrich, Ferd[inand]. Ueber die- 

 Constitution der Orsellinsiiure. Ber- 

 lin, Ber. D. chem. Ges., 37, 1904, (1400- 

 1415). 



und Dorschky, K. Ueber 



Derivate des Amido-orseliinsaure-athyl- 

 esters ; ein Beitrag zur Bildung der 

 Lakmusfarbstoffe. Berlin, Ber. D. chem. 

 Ges., 37. 1904, (1416-1424). 



The disazobenzene derivative of the 

 ester and the diamine. 



Henrich. Ferd. Berlin, Ber. D. chem. 

 Ges., 37, 1904, (1406-1415). 



Amino-orsellinic acid 



C6H«lIe(OH)2(XH2).C02H 



[6:4:2:5:1] Ethyl eater. 



Henrich. Ferd. und Dorschky, K. 



Berlin, l!cr. D. chem. Ges., 37,1901.. 

 (1410-1424). 



