Cycloids containing nitrogen. 



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1932 



C ) 7 -LOIDS COX 1 '. 1 INI\Xi TWO 



KITROGEX ATOMS OXYGEN 



AXD SULPHUR. 



CYCLOID C4H40N2S: 



2.C)-Disulphydro-5-oxy-pyrimidine. 

 Diethyl etheu 



C-THIOCYANO-l'-SrLI>IlYDIiO-5-i1XY- 

 PYIilMIDINE. 



DietlirjJ ether 



G-Thiocarbimido-2-sui,phydro-5-oxy- 

 PYTJIMIDINE. Diethyl ether. 



' Johnson .N: McCoUum. Am., 36, 

 (130). 



G-ANIUN0-2-Sl"LPIlYM;u-.J-0XYrYPJ.\IIDIXE. 



Diethyl ether. 

 And the corresjijouding o- and 2>tolui- 

 nixo-, 2>^VNJSiDiN0- and /«-xitro-axilino- 



COMPOUNDS. 



6-CYAXAMIXO-2-SrLPn Y DR0-5-0X Y-PYEIM I- 



DINE. 



Diethyl ester. 



Johnson &; McCoUum. Am., 36, 

 (14U). 



5-OxY-2-Sri.PHYriROPYRIMIDIXE 6-Tnio- 

 CARBA.MIC ACID. 



Diethyl ether of tlie ethyl ester. 



and the corresponding propyl esler, 

 anilide, toluules and anisidide. 



Johnson & McCollum. Am., 36, 

 (136). 



2-Sri.niYDR(J-G-/)-METH0XYl'lIEXYLA-MINU- 

 PYRIMIDIXE. 



Ethyl ester 

 .T/C(SEt):N.CH:CH^ 

 ^^^CfNH.C'eH^.Oile) ^ 



Johnson, Johns & Heyl. Am., 36, 



(IGO). 



2-StLI'HYm;0-5-UXYFYRL\[IDINE-6-IMINO- 

 TIlIOCArUiOXIC ESTEU. 



Diethyl ester 



^^^C(N : C(OEt).SEt)'>'"-^^^ 

 and the corresponding G-^/^-ethyl- 



C.\RHAMIDO C().\lPOrNIi. 



Johnson & McCollum. Am., 36, 

 (14UJ. 



CYCLOID C4H4O N.S 



Thiobarbituric acid 



5-Bl!0\[0-l : 3-DIPUEXyL-2-rHIORARBITORIC 



ACID and 5 : 5-dibromo-1 : 3-dipiiexyl-2- 



TIIIOBARniTrRIC ACID. 



Whiteley. n.3.">12. 



CYCLOID CHhO NiS 



C-Ethylthiobarbituric acid 

 CHEt<^;^|g>CS 

 Einhorn u. Diestaach. A., 359, (17] 1. 

 CYCLOID CHgOjNjS 



C-Dimethyltliiobarbituric acid 

 CMe2<^J]|JJ>CS 



Einhorn n. Diesbach. A., 359, (171). 

 CYCLOID Ch.HioOjN.S 



1 -Phenyl-3-methylpyrazole 

 u-sulphonic acid 



/C(S(J2.(.)H) : IJH 

 XPh< ' I 



\N==CMe 

 Aiid the .-^alts, sidpliocJdoride, amide, 

 ainlide. 



Michaelis u. Pander. A., 361, (2()1). 

 CYCLOID CioHin04N S 



2 :r.-Diketo-J -benzene sulphonyl- 

 piperazine 



^H<co:cH;>^-«o,rh 



and the corresponding ethyl ether. 

 Johnson & McCoUum. Am., 35, (54). 



CYCLOID C„Hh02N2S 



1 . "Diphenyl 3 dioxythiopyrazole. 

 Michaelis u. Willert. A., 358, (159). 



CYCLOID C17H14ON2S 



1-Phenyl-"; metliyl-4-benzoyl-5- 

 tliiopyraz clone 

 /Cs . cH.corh 



NPli( 1 



\X=-Cile 



and llie disulphide. 



Michaelis n. Lehmann. A., 361, 



(2S3). 



