1310 



694 



Acids. 



iMISOETnAXB TKICARBOXYLIC ACID 



Monoetltt/l ester 



CHgO'eN i.e. 



HN : C(C02H).CH(C02Et) (CO^H) 



(Iminooxahndlon'ic ester acid) 



Traube, W. Liebigs Ann. Chem. 

 Leipzig, 332, 1904, (104-158). 



M(lNONITRILE 

 CN.CH2.CH(C02H)2 



{C.yanomethylmalonie acid) 



Iminocyanometltylmalonie acid 

 CN.C(NH).CH(C02H)2 

 (Dicyanoiiialonie acid) 



Ethyl ester C^lly,0^'^2 

 CN.C(NH).CH(C02Et)2 



and Ester acid C7H8O4N2 

 CN.C(NH).CH(C02Et) (CO2H) 



Traube, W. Liebigs Ann. Chem. 

 Leipzig, 332, 1904, (101-158). 



DiNlTRILE 

 CN.CH2.CHCy.CO2H 



(a fi-Dicyanopropio7iic acid) 



Iminodicyanojjropionic acid 



CX .C(N H,'. CHCy. COjH 

 [Dicyano-cycDtoacciic acid) 



Ethyl ester C7H702'N'3 i.e. 

 CX.CH(C02Et).C(NH).CN 



Traube, W. Liebigs Ann. Chem. 

 Leipzig, 332, 1904, (101-158). 



ACID CbH.Og 



Propane tricarboxylic acid 

 C02H.CH2.CH2.CH(CO2Hj2 



(Carhoxyglutaric acid) 

 Ethtl ester and derivatives. 



Silberrad, Oswald and Easterfield, 



Thomas Hill. [The action oi halogens 

 on ethyl sodiocarboxyglutarate ; forma- 

 tion of ethyl o-iodocarboxyglutarate, a- 

 bromocarboxyglutarate and a-clilorocarb- 

 oxyglutarate. The action of ethyl 

 bromocarboxyglutarate on ethyl sodio- 

 carboxvglutarate.] London, J. Chem. 

 Soc., 85, 1904, (862-864); [abstract] 

 London, Troc. Chem. Soc, 20, 1904, 

 (114-141). 



Semixitrile 



c02H.CH2.CH2.CHCy.c02H 



[Cyaiioglutaric acid) 



fi-Imino-a-cyanoglutaric acid 



Ethyl ester 



C,oHhO,N2 i.e. 



C02Et.CH2.C( : XH).CH(CN).C02Et 



Baron, H., Remfry, F. G. P. and 

 Thorpe, J. F. [Ethyl /3-imino-a-cyano- 

 glutarate and the action of hydrolytic 

 agents on it. Etliyl hydrogen /Simino- 

 a-cyanoglutarate and its silver salt. Ethyl 

 y3-imino-a-cvanoglutamate, 



CO.NIl2.CTl2.C(:NH).CH(CN).C02Et.] 

 London, J. Chem. Soc, 85, 1904, (1726- 

 1761) ; [abstract] London, Proc Chem. 

 Soc, 20, 1904, (213-244). 



Oxycarboxypropyldyoxylic acid 



C02H.CO.CH2.CMe(OH).C02H 



Jong, A[nne] \V[ilIem] K[arel]. [Les 

 transformations de I'acide a-ceto-j3- 

 brome-j8-butene-a-7-dicarboaique et de 

 I'acide o-ceto-Y-oxybutane-a-y-dicar- 



boiiique.] Rec Trav. chim , Leiden, 23, 

 1904, (147-154). 



ACIDS CjHioOs 



Butane a75-tricarboxylic acid 



C02H.CH,.CH2.CH(C02H).CH2.C02H 



Silberrad, Oswald. [Formation of 

 butane-ayS-tricarboxylic acid.] London, 

 J. Chem. Soc, 85. 1904, (611-615); 

 [abstract] London, Proc. Chem. Soc, 20, 

 1901, (61). 



Butane aay-tricarboxylic acid 



C02H.CHMe.CH2.CH(COoH)2 



MONONITRII.E 

 CO2H.CHMe.CH2.CHCy.CO2H 



(CyanoinetliyJglutarie acid) 



^-Imino-a-cyano-y—methylglutaric acid 

 Ethyl ester 



CHHieO,N2 i.e. 



C02Et.CHMe.C(: NH).CH(CN). C02Et 



and the monoethyl ester. 



Baron, H., Remfry, F. G. P. and 

 Thorpe, J. Y. l-ondon, J. Chem. Soc, 

 85, 1904, (1726-1761). 



