Cycloids containing nitrogen. 



roo 



1934 



CYCLOID C,4H,2N4 



Acenaphthaphenazineazine 



.C.N. /N. 





/ 



Cell* 



Ullmaim u. Cassirer. ]?., 43, {430j. 



CYCLOIDS COSTAINIXa FOVh' 

 NITROOEN ATOMS AND OXYGJ-JX. 



CYCLOID CH2ON4 



, _ , , , ^,^N . N .Oil 



i-Oxytetrazole >»< ■ 



Palazzo. Itom.i, Jfond. Ace. Liiicei, 

 (Sit. 5j, 19, i, I'JIU, (218-2:.'2). 



CYCLOIDS CcHgON4 



C-Methyl-- : 3 triazo-T.O'-pyridazine- 

 ^-hydroxylic acid. And {]ieelhylct<ter. 

 Bulow u. Haas. J5., 43, (1975). 



-'-Oxy-0-methyIpurine 

 NH.CMe:C.NJU^,,j 

 CO.N=C.N 

 Jolins. .\iu., 41, (fiS). 



CYCLOID CH.O.N^ 

 2 : 8-Dioxy-ii-metliylpurine 



NH.CMe:C.Xll 



CO .N=C.NH 



Jolins. Am., 41, (58). 



CYCLOID C6H.OsN4 



Methyluric acid glycol. 

 Biltz. H., 43, (15111 



CYCLOID C;HcON4 



5-Oxy- 1 -phenyl- tetrazole 

 Dimrotli u. Montmollin. 15 , 43, ' l".i10). 



CYCLOID C;H,0N4 



L\i'-Dimetliyl-i,3-triazo-7,(i'- 

 pyrimidine-i -hydroxy lie acid- 

 CMe:N : C.N : X\ 

 I I >CMe 



CH :C(OII).N . N^ 



Billow u. Haas. B., 43, (375). 

 CYCLOIDS CjHuiOsN; 



7 : 0-Dimethyluric acid glycol 



BUtz. B., 43, (1511). 



Ethyluric acid glycol. 



Biltz. B., 43, (1511). 



CYCLOID CHnO:N4 



1,3,7-Triniethyhsouric acid- 



ry-Etlioxij, melhoxijiwiX cliloro derivallves. 

 BUtz, H. B., 43, (;;55.'i). 



CYCLOID Cs-HnON* 



i',0-Diinethyl-5-ethyl-l,3-tiiazo-7,0'- 

 pyiimidme- 1 hydroxylic acid- 



BUlow II Haas. B., 43, (375). 

 CYCLOID C.HhO N, 



7 : U-Diethyluric acid glycol- 



BUtz. B., 43, J511j. 



CYCLOID CoHcO.Nj 



•I : i;-Diketotetrahydro-l : 3 : 7 : 9- 



naphthatetrazine 



CII = N .C.CH.C.N=CII 



NU— CO.C.CH.C.CO .Nil 



And its 2 : S-dimethyl derivative, 



Bogertcl Kropff. Am.Soc, 31, (1071). 



CYCLOID C,2H,dON4 



(•>-PhenyK'-methyl-i,.3-triazo-7,0'- 

 pyrimidine i-hydroxylic acid- 



BUlow u. Haas. B., 43, (375). 

 CYCLOID C,4H,40.N4 



•1 : <i-Diketo-- : 3 : 7 : 8-tetramethyl- 



tetrahydi'o 1 : 3 ; 7 : 9 naphtha- 



tetrazine 



CMe : X . C.Cll.C.N : Cile 

 XAIe. CO. C.CII.C.CO. NMe 

 and similar tctrazines. 

 Bogert & Kropfl. Am. Soc. 31, (1071). 



CYCLOID Ci = H O4N4 



Endo bisazodiphenylmethane di-/j- 

 carboxylic acid 



C02H.Cell3<>^'2 



Q • and the dinitrile. 



Duval. Bl., 7, (85.5). 



CYCLOID C,5H,204N4 



Endo-bishydrazodiphenylmethane. 



'I 'ei raacctijl de ri cat i vc . 



C02H.C6H3^N2A.C2 



CO,H.CVH,< 



C 



6"3^N.,Ac, 



Duval. Bl., 7, (857). 



