Cycloids containing nitrogen. 727 



1932 



6 Sulphydro-") methyl -pyrimidone 



iiietlii/l illier 

 Alt.0 the methyl ether (jf 6-Sii.i'HYUliO- 



3 : 5-l)|MliTlIYL-^-l'YlUMII)ONi;. 



Wheeler Sc McFarland. Am., 43, (19). 



-Sulphydro-o-methyl-pyrimidone 



Hemijl ether 



Wheeler & McFarland. Am., 43, (19). 



CYCLOID CHO.N S 



--Sulphydro-''-methyl-ti-pyrimidone 



^-carboxylic acid- 



l-Jhi/l ether 



Johnson & Mackenzie. Am., 42, (353). 

 CYCLOID CeH ON,S 



i;-Sulpliydro-l : i-dimethyl-0 pyrimi- 

 done. 



Met]ujl ether 

 X'U : N.CMe 

 ^C(SMe).CH 

 Wheeler a- McFarland. A m., 42, (101). 



XMe<^ 



CYCLOID C.HmO.N^S 



1 : 3 : i; ; .s-Tetrametliyl T-tbio- 

 allantoin 



BUtz. H., 44, 30.'. . 



CYCLOID C,HmO.N:S 



Isohexylthioparabanic acid 

 CS.NH 



Also DIISOHEXYLTUIOI'AUABANIC ACID. 



Kalwza. S590S. 



CYCLOID C.H.sO.N^S 



1:3: t;-Trimethyl-> ethyl-:-thio- 



allantoin- 



BUtz. B., 44, 31 ».');. 



CYCLOID C^Hr.ON.S 



--Sulphydro-5 benzyl t-methyl- 

 uracil 



Wheeler A McFarland. Am., 42, 101 



CYCLOIDS WITH THREE 



NITROGEN A TOMS. 



CYCLOID C.HtNj 



Imidazylmethylamine 

 .NU.Cli 

 CH< II 



'^N-C.Clfj.NIi, 



Windaus n. Opitz. 11,44,^721). 



CYCLOID CHnO^N, 



1 : 3-Dimethyl •"> methylamino- 



hydantoiii 



{Acecafl'elne). 

 BUtz. B.. 44, i.-^OO . 



CYCLOID CtHtN, 



o-Phenyleneguanidine 



CeH,<^^{[>U:XH. 



Aiid its benzoyl and cliinamoyl 

 derivatives. 



Plerron. C.I!., 151, (1365). 



CYCLOIDS WITH FOUR NITROGEN 

 ATOMS. 



CYCLOID C4H6O.N4 



Alloxandiammonium 



11 



co<^; {:};[;;; j>c : u.nh.nh2 



Richter. B. 44, (2158^. 



CYCLOID CiHr.OsN* 



1:3: 0-Trimetliylailantoin 



[Calj'oline). 

 /NMe.("0 

 C0< I 



\XMe.Cli.XMe.CO.MH2 



BUtz. B., 44, (298). 



CYCLOID CHuO.N. 



1 : 3 : : .s Tetrametliylallantoin 



BUtz. B, 44, (3U2 . 



CYCLOID C Hi.O N. 



1 : 3-Diethyl->oxyhydantoyI- 

 carbamide 



.XLi.Cully.L'jHjOjX, 

 CO/ I 



WEt.CO 



BUtz u. Topp. !!., 44, fl5l2). 



