Acids. 



621 



1330 



ACID C9H10O5 



Trioxyphenylpropionic acid. 



S-Methyl-i : 'i-methyloie etlier 

 GH2O2 : C8H2(OMe).CU2.CH2.C02H 

 Salway. 70G3S. 



BENZENOID ACIDS CHzn-ioOs 

 ACIDS C-HeOs 



1' : 5 : 1-Dioxyphenylglyoxylic acid 



Dimethyl ether (MeOjjCeHs.CU.COjH 

 and its iiitrile. 

 Mauthner. B., 42, (193). 



•3 : i : 1-DioxyphenyIglyoxylic acid 



C6H3(UHj2.CO.C02H 

 Barger & Ewins. 04:095. 



Dimethyl etlier and its nitrile 

 (MeOjjCeHs.CO.CiNf 

 Mauthner. B., 42, (192). 



Methylene ether CU2^^2 ■ CeHj.CO.COjH 

 Barger Al: Ewins. (;4095. [Methyl- 

 amide.] 



Niti'ile of the methylene ether 

 CH2 : O2 : CeHj.CO.CN 

 Ewins. 65877. 



Noropianic acid 



(HO)2C6H2(CHO).C02H[4 : 3 : 1 : 2] 



Bhnethijl ether (MeO)2C6H2(CHO).C02H 



Opianic acid. 



Nitro-derivalive and methyl and ethyl 

 ester. 



Wegscheider, Muller u. CMari. 



72198. Nitrierung der Opiansiiureester 

 und Abliommliuge der Nitroojaiansaure. 



ACIDS CgHoOs 



P Cresol dicarboxylic acid 



MeC6H2(UHXC02n)2 [1 : 4 : 3 : 5] 



I-MeTIIYL-4-AKISOLE 3,5-DICARliOXYLIO 

 ACID 



MeC6H2(OMe)(C02H)2 



{l-Methoxyuvitinie acid). 



Ullmann u. Brittner. B., 42, (2542). 



Phenyltartronic acid 



C6H5.C(0H)(CO2H)2 



Methyl and ethyl esters. 



Guyot et Esteva. O.R., 148, (564). 



DlMETIIYL-p-AMINOPtlENYLTARTRONIC ACID 



NMe2.C6H,.C(OH)(C02H)2 

 Methyl and ethyl esters. Also 



DIETHYL- p-AMINOPHENYLTARTRONIO ESTERS. 



Guyot et Michel. C.R., 148, (229). 



Dioxyplienylpyruvic acid 



(HOjjOeHs.CHj.CO.CO^H 



Methylene ether 



CH2O2 : C6H3.CH2.CO.CO2H 



and tlie oxime. 



Kropp u. Decker. B., 42, (1190). 



5:4: 3-Trioxycinnamic acid. 



Methyl vietlnilene elhev 

 [4:3:5:1] 

 CH2O2 : CeH2(0Me).CH : CH.CO2H 

 Salway. 70638. [3-Methoxy-4 : 5- 

 methylenedioxyciTiuamic acid and the 

 2(6)-nitro-derivative and its methyl and 

 ethyl esters, and the 2(6)-aniino- deriva- 

 tive, methyl ester.] 



ACIDS C.oHioOs 



/>Tolyltartronic acid 



CH3.C6H,.C(Oir)(C02H)2 



Methyl and ethyl esters. 



Guyot et Esteva. C.R., 148, (564). 



P-Oxyphenacylglycollic acid 



HO.C5H4.CO.(JH2.UH(011).CU,1I 

 Methyl ether of the ureide 

 MeO.C6H,.CO.CH2.CH(OH) 

 I 

 NH2.CO.NH.CO 



(MethoxyiDhenacylisohydantoic acid;. 

 And the corrt^sponding etliyl ether. 

 KuMing u. Sclineider. B., 42, (1 292). 



ACID CnHnOi 



o-Xylyltartronic acid 



Me2C6H3.C(01I)(C02H)2 



Methyl and eth.yl eaters. 



Guyot et Esteva. C.R., 148, (56Bj. 



BENZENOID ACIDS CnHsn-ijOs 

 ACID CsHbOs 



Phthalonic acid 



C02H.(\-,Il4('<>t'()2H 



and the methyl ester 

 C02H.C6ll,.CO.C02Me 

 Wegscheider. Veresterung der 



Plithalonsaure. M., 29.(531). 72191. 



