Cycloids containing nitrogen. 927 



CYCLOID C.:H:ON,S 



2-Sulphydro -3-metliyl-ketodihydro- ,-; 

 pyrimidine 

 ExiiyL Emtit 



Wheeler, H. L. ami Jolinson, T. B. 

 Amer. Cliem. J., Baltimore, lid., 31, 

 1904, (n91-606). 



CYCLOIDS C5H,ON2S 



Dimethylthiohydantoin 

 ,, ,, CO.CHMe 



Delepine, il. Paris, C.-R. Acad, sci., 

 137, lt)03, (1257-1259J; Paris, Bui. soc. 

 chim., fser. 3), 29, 1903, (1190-119t\>. 



DimethylthiohydantoiQ 

 ^. CO.CH2 



Delepine, il. Paris, C.-E. Acad, sci., 

 137, 1903, (1257-1259) ; Paris, Bnl. soc. 

 chim., (ser. 3), 29, 1903, (1198-1202). 



CYCLOID C.HirON.S 



5-Metliyl-3 ethyl-thiohydantoin 

 Carbamido derivative 



Bailey, J. R. J. Amer. Chem. Soc, 

 Easton, I'a., 26, 1904, (1006-1026). 



CYCLOID CtHiONsS 



5-Methyl-3-allyl-2-thiohydantoin 



1-C'akb.\.miui) derivative 



CS— NC3H5 



Bailey, J. M. J. Amer. Chem. Soc, 

 Easton, Pa., 26, 1904, (1006-1026). 



CYCLOID C;H,:0N2S 



5.5-Diinethyl ■■;-ethyl- 

 2-thiohydantoin 



l-PUEN yi.AMl.su Dtl!lV.\TIVE 



XMe^.CO 

 X'S— NEt 

 Bailey, J. R. J. Amer. Chem. Soc. 

 Easton, Pa., 26, 1904, (1000-1026). 



XHPii.X<^ 



1930 

 CYCLOID C,Hi;ON.,S 



5 5 Dimethyl-3-allyl-2-thiohydantoin 



1-CarboxvisuI'Ropyi.amino derivative 



C02H.CMe2.XH.X<^^^2-90 



CS— N.C3H5 



and the analogous 3-iiethyl and 3-ethvl 



C0MP0C7SDS. 



Bailey, J. R. J. Amer. Chem. Soc, 

 Easton, Pa., 26, 1904, (1006-1026;. 



CYCLOID C8H.2O2N2S 



C-Diethylthiobarbituric acid 



XU.XH. 



CEt,<" 



2^C0.XH 



>cs 



Fischer, E. iiud Dilthey, A. Liebigs 

 Ann. Chem., Leipzig, 335, 1904, 1,334- 

 368j. 



CYCLOID C^Hi.ON.S 

 Phenylmethylthiohydantoin 



" CS.XH 



Delepine, M. Paris, C.-R. Acad, sci., 

 137, 1903, (1257-1259). 



Amiso-derivative 

 X'O.CHMe 

 X\S.X(NH.,) 

 and the Carb.amino-derivative. 



PhX<' 



Bailey, J. R. J. Amer. Chem. Soc, 

 Easton, Pa., 26, 1904, (1006-1026). 



CYCLOID CuH.ON.S 



3-Phenyl-5,5-dimethylthiohydantoin 

 jj,^ CMe^.CO 

 ' CS— XPh 



1-Amiso-dehivative 

 XH,X<C^^«-CO 

 ' CS-XPh 



also the l-plienylainlno, 1-cnrbamlno 



and l-rarboxylsopropylaritino- 



iler'ivat'ives. 



Bailey, J. R. J. Amer. Chem. Soc, 

 Easton, Pa., 26 ISC 4,(1000-1026). 



