Cycloids containing nitrogen. 



792 



1933 



CYCLOIDS CONTAINING SIX 



NITEOG'EN ATOMS AND OXYGEN. 



CYCLOID C4H4O2NC 



Bis-('J -oxy-(-Jrtriazole 

 HO.CjNsH.CjNsH.OH 

 Rinman. G1135. 



CYCLOID C6H4O4N6 



Bis-f3)-triazole (ui-carbooxylic acid 



[C,UN,{CLhBj-], 

 Rinman. 01135. 



CYCLOID CsHsOsNg 



Bis-(.i >acetyl-i 3)-triazole 

 CH3CO.C2X3H.C2N3H.CUCH3 

 Rinman. 61135. 



CYCLOID CioHizOsNg 



Bis-flj-acetyl- 5)-methyl-(3)-triazole 



[MeC'oX.Ac— ], 

 Rinman. 01135. 



CYCLOID CijHi.OsNe 



Bis-(l)- ac etyl-( 5)-ethyl-(3)-triaz ole 



[EtCjNjAc-Jj 

 Rinman. 61135. 



CYCLOID CuHvoOzNe 



Bis-i 1 j-acetyl-i 5)-isopropyl-(3)- 



triazole [CH.Me..CV,X3Ac— J2 

 Rinman. 01135. 



CYCLOID CjoHi.OsNe 



Bis-(l)-acetyl-(5;-phenyl-(3)-tnazole 



Rinman. 1)1135. 



CYCLOID CONTAINING SEVEN 

 NITROGEN ATOMS. 

 CYCLOID C H7ON: 



Carbamidoguanazole 



Pellizzari c Repetto. (J., 37, ii, i317j. 



1934 CYCLOIDS WITH FOUl^ 

 ATOMS OF NITROGEN IX 

 THE RIXG. 

 Fischer. 56158. Syutlieseu in der 

 Purin -luid Zuckeigiuppe. 



Jolinson c\: McCoUum. 57873. Re- 

 searches on pyrimidines. Eoriuation oi' 

 purins from iireaj^yriuiidines. 



CYCLOIDS C,sH,,N4 



o Quinolyl-phenylazimide 



O-QuiNOLVL-p-.NflTROrnENYI.AZIMIDK 



and the corresponding derivative of 

 m and p and ana-QTJisoLYLAZiMiDK. 



Meigen. J. pr., 77, (472). 



CYCLOID C.4H13N4 



Hydrodiphenazine. 



TeTRAXITUii and TETliAcnLnRn DERIVATIVE.S 



^^<c;l;ci,>^-^<c:S:ci3>^^ 



Leemann u. Grandmougin. B., 41, 

 (121)5). 



CYCLOIDS C2GH14N4 



a, 0, /3, a-Naphthoplienazine- 



symnaphthazine- 



a, 0, j8, o-Naphthoplienazine- 



asym-naphthazine. 



Fischer u. Schindler. B., 41, (390). 



CYCLOIDS C26H22N4 



Hydro di-o, m and 2>toluphenazines. 



TeTRAXJTRO-DERI\ ATIVES. 



Leemann u. Grandmougin. B., 41, 



(1295j. 



CYCLOIDS CONTAINING FOUR 



ATOMS OF NITROGEN AND 



OXYGEN. 



CYCLOID CjH402N4 



N-Dihydrotetrazine carboxylic 



acid <-'^'2'ic<^^^"j:^j>CH 

 MuUer. B., 41, (3116). 



CYCLOID C4H2O4N4 



Tetrazine dicarboxylic acid 



e'OjH.tX^- : ^->(".C02H 



The acid jyota-^-sluiii salt, d'tellojl f-ster, 

 Muller. B., 41,(3116 . 



CYCLOIDS C4H4O4N4 



Bisdiazoacetic acid- 



IIyhrazides oI .methyl and etiiyi. estebS 

 and their heiizijUdeiie, acetone and 

 acetopJienonc condensation products. 



BlSEUAZOACETlC ACID lilSHYDRAZIDE 



NH2.XH.C0.C<^£--j^j>C. 



its .s-aZ/.s-. 



CO.XH.XITo and 

 Curtius u. Rimele. B., 41, (3108). 



.;J 



