Cycloids containing nitrogen. 721 



1932 



CYCLOID C,H,ON, 

 •"•-Oxypyiimidine 



Ethyl ether of t!ie 1' : fi-niiiiLOiiO 



DKklVATlVE 



V- /CCl : N.OH ^ 

 Johnson 6c Guest. Am., 42, (271) 

 CYCLOIDS C4H.O2N2 



Imidazole carboxylic acid 



A ilro derivative 

 ^Nn.C.NO, 



CH 



^N— C.COjH 

 Windaus n. Opitz. R., 44, (1724). 



Uracil 



ri-t'nanouracil ^'H<^'JJ-^,^^>CH 

 Johnson. Am., 42, (505). 



CYCLOIDS C.H.OjN^ 



5 Pyrazolone S-carboxylic acid 



Htjdrazide, ester, etc. 



X : C.C().XH.XH2 

 CurtiuB u. Gockel. .1. pr., 83, (287). 



5-Oxyuracil 



Phenyl ether 



XH<^, 



CO—XH 



>CH 



CO.CYOPh) 

 Johnson ct Guest. Am., 42, (271). 



CYCLOIDS' C.H.ON2 



3-Methyl-"'-oxypyrazole 



i-Anili noazo de ri vat i re 



and similar compnuuds. 



Bttlow 11. Hecking. !!., 44, (470). 



3-Methyl-5-pyr az clone 



i-Bromo : 4 : A-dibroino derivative. 

 Muckermann. J. pr., 84, (290,i. 



CYCLOID CHON. 

 ."■'-Methyl-S-pyrazolidone 



l-Aifro8o derivative 



xo.x<^^«-co 



CH.Me.CH, 

 Muckermann. J. pr., 84, (285). 

 (D-9234) 



CYCLOID C H,ON, 



Methylpyrimidone 



2-.\lEniVI..\Ml.S(i-5-\ll.iHVJ.-f.-I'VHIMinONE 



jj^^C(XlIMe):X ^ 



and tlie U-'n-hoxyHc acid. 

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



CYCLOIDS CsH^O.Nz 



3-MethyluraciI 



Wheeler & Johnson Am., 42, (30). 

 5-Methylpyrazole carboxylic acid 



CH = N 

 Vlgruier. CM.'., 153, 1233). 



CYCLOID C,H603N2 



Pyridazinone carboxylic acid 



Blaise et Gault. 1)1., 9, M57). 

 CYCLOID CsHsON, 



^ Imidazylethyl alcohol 



CH 



XH.CH 



Vx_c.cHj.CH2.0H 

 Windaus u. Opitz. 13.. 44, (1723). 



CYCLOID C HO N: 



Oxydimethylpyraz clone 



XH<-'^ : C.CH^.UH 

 CO. CHMe 

 Ethyl etlier. 

 Sommelet, VA. 9, (36). 



CYCLOIDS C.HOjN: 



•J •'» Dimethyluracil. 

 Kircher. A., 385, iTi.S . 



i-Ethylm-acil 



5-.4??(i(!o and r>-nitro derivatives. 

 BUckendorff. A ., 385, 321 >. 



CYCLOIDS C.HoOjNj 



Oxymethyl-methyluracil 



'^'''<XH:!-Me>^'-^''f"'^^ 



Kircher. A, 385, (295). 



3 A 2 



