1930 



7G0 



1930 



CYCLOIDS CONTAINING THREE 



ATOMS OF NITROGEN AND 



SULPHUR. 



CYCLOIDS CmHiiNsS 



3-Sulphydro-l , 5-diphenyl- 

 1,2, 4-triazole 



NPli . N 



cpii<: 



■N 



C(SH) 



Wheeler, H. L. and Beardsley, A. P. 



Amer. Cliem. J., Baltimore, Md., 27, 

 1902, (257-270). 



5-Sulphydro-l, 3-diphenyl- 

 1, 2, l-triazole 



HS . C< 



.NPh . N 

 N - CPh 



Wheeler, H. L. and Beardsley, A. P. 



Amer. Chem. J., Baltimore, Md., 27, 

 1902, (257-270). 



CYCLOID C14H10N4 



Diphenyltetrazole 



Di-7?i-AMiN0 COMPOUND and its d'lacetyl 

 and dUiydfo derivatives. 



Junghahn, A[lfred] und Bunimowicz, 



J. rel)er die Einwirkung von Ilydrazin 

 aid' Tliiamide. Berlin, Ber. D. chem. 

 Ges., 35, 1902, (3932-3940). 



CYCLOID C1GH14N4 



Dibenzyltetrazine 



Dl-p-AMINO COMPOUND 



Also its diacetyl anddiliydro derivatives. 



Junghahn, A[lfred] und Bunimowicz, 

 J. Berlin, Ber. D. chem. Ges., 35, 

 1902, (3932-3940). 



CYCLOID CisHnNsS 



3-Sulphydro-5-phenyl-iiJ tolyl- 

 1,2, 4-triazole 



'N 



C . SH 



Wheeler, H. L. and Beardsley, A. P. 

 Amer. Chem. J., Baltimore, Md., 27, 

 1902, (257-270). 



CYCLOIDS CONTAINING FOUR 

 NITROGEN ATOMS. 



CYCLOID C2H4N4 



Tetrazoline 



,C'II : N 



HN< 



N : CH 



>NH 



Ruhemann, Siegfried and Stapleton, 



H. E. Tetrazoline. Part II. [Forma- 

 tion of pheuyltetrazolylthiouiea by the 

 action of phenylthiocarbimide on it ; the 

 compounds, C3H9N4I3 and C3H7N4I, 

 produced by the action of methyl iodide 

 on it.] London, J. Chem. 80c., 81, 

 1902, (2G 1-261); [abstract] Loudon, 

 Proc. Chem. Soc, 18, 1902, (30). 



CYCLOID C1GH14N4 



Dipyridyl-o-plienylenediamine 



. p XT ^NH . C5II4N 

 I.e. (.,ti^ <j^jj j^^y^^ 



o/.so corresponding-2>2]henyle7iediamine 

 and derivatives of both. 



Fischer, Otto. Berlin, Ber. D. chem. 

 Ges., 35, 1902, (3674-3683). 



CYCLOID CzoHnNs 



Triphenylguanaz ole 



(3, 5-Dia)id-4:-p]ienylurazole). 



NH . CNPh"^ 

 also ils dimethyl and diethyl derivatives. 



Busch, M. und Ulmer, Th. Berlin, 

 Ber. D. chem. Ges., 35, 1902, (171G- 

 1726). 



