1330 



60S 



1330 



Delage, Marcel. Action des bases 

 alcalinoterreuses siir les sels alcalino- 

 Jerreiix des acides pvrogallolsulfoniques. 

 Paris, C.-R. Acad, sci., 136, 1903, (SOS- 

 SOS, 1202-1204). 



salt ; also the action of nitrous acid, acetic 

 anhydride, benzaldehyde, hydrochloric 

 acid, and zinc dust on it. J London, J. 

 Chem. Soc, 83, 1903, (1201-1212); 

 [Abstract] Proc. Chem. Soc, 19,190.'!, 

 (206). 



DISULPHOXTC ACIDS 



^:'oyTAINI^'G srx oxygex 



ATOMS. 



ACIDS CH^o-mObSz 



ACID CvHioOeSz 



Diphenyl disulphonic acid 



SOsH.CgH^.CeEJ^-SOjH 



DiAillSODIPHENYL DISULPHONIC ACID 



[CeH3(NH,)(S03H)i[l:4:2] 



Benzidine di-m-sul phonic acid and its 

 diacetyl dcrirative. 



Elbs, K[arl] und WoMfahrt. Tli. J. 

 prakt. Chem., Leipzig, (X.F.}, 66, 1902, 

 •'058-575). 



ACID C,4HuO,S2 



Ditolyl disulphonic acid 



.SO3H . CeH^Me . C.UMe . SO3H 



DlAillKODITOLYL DISULPHOXIC ACID 



X'oH2Me(NH2) . S03H],[1 : 3 : 4 : 6] 



acetyl derivatires. 

 Elbs, K. und Womfahrt, Tli. J. 

 prakt. Chem, Leipzig, (N.F.), 66, 1902, 

 i5.58-575). 



TIITOSULPBONIC ACIDS WITH SIX 

 OXYGEN ATOm. 



THIOSULPHOXIC ACIDS. 



C„H2n-.OS4 



ACID C,H O.S4 



Benzene dithio disulphonic acid 



CJI4I S . SOsH)^ 



DlAMINOBENZENE BISTHIOSCLPHONIC ACID 



CeHaOeN^S, i.e. 

 CfH2(XH2)2(S . S03H)2[1 : 4 : 2 : 5] 



Green, Arthur George and Ferkin, 

 Arthur George. [p-Phenylenediamine- 

 :lithiosulphonic acid, and its potassium 



DiMETlIYLDIAMISOBESZESE BISTHIO- 

 SULPHONIC ACID 



CeHi^OfiN^S, i.e. 

 HjN . C6H2(NMe2)(S . SO3H), 



Green, Arthur George and Parkin, 

 Arthur George. [Dimethyl -p-phenylene- 

 (liaminedithiosulphonic acid.] London. 

 J. Chem. Soc, 83, 1903, (1212). 



BEXZEXOID ACIDS WITH .SIX 

 OXYGEN ATOMS. 



ACIDS CnH^n-ioOe 



ACID CsH^Og 



Dioxyphthalic acid 



Dimethyl etlier 



CeH2(OMe)2(C02H)2 



(Hemipie acid) 



Monoh ijdrazide 



CfiH,i OMe)2(CO)2N2H2 and 



dihydrazide C6H2(OMe)2(CO . N2H3)2 



Wegscheider, R. und Kusnov, P. voa. 



Wien, Monllfte Chem., 24, 1903, (Ti'^- 



390). 



ACID CsHzoOs 



Dishydroxyisophotosantonic acid 



CH 

 ^ C0H):O:CHMe.C02H) = CH .. 

 ^C(CHMe . CH2OH) . C(CHMe . COjHr 

 Francesconi, L. e Venditti, L. Gazz. 

 cliim. ital., Palermo, 32, parte 1, 1902, 

 (281-322). 



.ICmS CuH2..-,20g 

 ACIDS Ci H.Oe 



Dioxybenzyhdenemalonic acid 



(HO)2C6H3 . CH : C(CU2H)2 

 Dibenzoyl derivative 



(C6H5C02)2C6H3 . CH : C(C02H)2 



{Dibenzoyl-dioxybenzylidenemalonic 



acid). 

 Hayduck, F. Berlin, Per. D. chem. 

 :es.,36, 1903,(29.30-2936). 



