Cycloids containing nitrogen. 697 



S-OXYTRIAZOLE-I-ACETIIYDRAZIDE 



N . .N. 



I >N.CH2.CO.KH.NH2 



CH:C(OH) / 



CDul its salts. 

 Curtius n. Welde. B., 43, (802). 



CYCLOID C3H3O3N3 



Oxytriazole carboxylic acid 



NHAOH) 



N ^>^-^^2^^ 



■methyl ester. 

 Dimroth. A., 373, (352). 



CYCLOID C4H5O3N3 



Triazolone-acetic acid 



4-DlI!ROMO-5-TI!IAZOLONE-ACETAMIDE 



I >N.CH2CONH3 



CBr^.CO/ 



Curtius u. Welde. B., 43, (857). 

 CYCLOID CcHa02N3 



4-Methyl---ethyI-i : 2 -. 3-triazoIe 



5-carboxylic acid 



._ X : C.CO.H 

 >j : CMe 

 Oliveri-Mandala. G., 40, i, (120). 



CYCLOID C7H7O.N, 



I : 3-Dimethylcaffolide 





CU.NII 



/NMe.C 

 C0< I \0— CO 



\NAre CO 

 Biltz. B., 43, (1589). 



CYCLOID CaHgOsNj 



i : 3 : 7-Trimethylcaffolide 



Biltz. P.„ 43, (IGOO). 



CYCLOID CgHjOzNa 



4-Phenyl-i : 2 : 3-triazole 

 5-carboxylic acid. 



Oliveri-Mandala e Coppola. Koma, 

 Rend. Ace. Lincei, (ser. oi, i, 1910. (5G3j. 



CYCLOID CJH7O3N3 



5-Oxy-l-phenyl-triazole 

 4 carboxylic acid. 



p-NlTRO DERIVATIVE 



N02.CeH,.N<g/^^^>C.C03H 



Methyl ester and its isomeric change. 

 Dimroth. A., 373, (362). 



1933 

 CYCLOID CjoHtONs 



7-Oxypyraz oquinaz oline 



•^6^^^^ NN : CII 



Michaelis. A., 373, (140). 



CYCLOID CioHsOsNj 



5- Oxy- 1 -b enz yl-triaz ole 

 4-carboxylic acid 



C6H5.CH2.X<^!^Qj^)>C.CO,H 



Methyl ester. 

 Dimroth. A., 373, (365). 



CYCLOIDS CiHgONs 



■ Oxy-3-methyl-pryrazoquinazoline 



C6H4< 



.C(OH):N.C- 



-N.N 



.CH 

 CMe 



and it3 ctliyl ether, 

 MichaeUs. A., 373, (157). 



3-Methylpyrazoiminoisocoumar- 



^ CO.NH.C:CH. ^,., 



azone C6ll4< ^ n^*-"-^''^ 



(Methylpyrazoquinazolone) 

 Ethyl and phenyl derivatives. 

 Michaelis. A., 373, (102). 



CYCLOID C14H13ON3 



] -Phenyl-3 :6-dimethyl-l-ozy- 

 1:2: 7-pyrazopyridine. 

 Bulow. B., 43, (3101). 



CYCLOID C14H17ON, 



iU-Piperidocarbinyl-'»/>benzimid- 

 azole carboxylic acid 



C02H.CeH3<^jJ^>C.CH2NC5ll, „ 



Ethyl ester. 

 Einhorn. A., 371, (169). 



CYCLOID Ci5H,50N3 



l-Phenyl-3 : 5 : 0-trimethyl-l oxy 

 1:2: 7-pyrazopyridine 



Billow. B., 43, (3401). 



CYCLOID CieHnONj 



7-Oxy-3-phenyl-pyrazoquinazoline 

 C(OH) : N.C=CH 

 L.6U4< Jj^T_x : Cl'li 



Michaelis. A., 373, (182). 



