Cycloids containing nitrogen. 



843 



1932 



0, 5-DiethyI-4, u-dioxy-i, --dihydro- 

 pyrimidine 



(Desoxiireronal) 

 CH2<;^\-jj'^-,Q>C'Et2 



Tafel u. Thompson, H. B. B.. 40, 



(4489,-. 



CYCLOID C HUO4N2 



Di-/3-oxydiethyldiketopiperazine 



CH.CH^.CHj.OH 



Fischer n. Blumenthal, H. B., 40, 



ll06). 



CYCLOID CHsOjNj 



4-Oxyquinazoline 7-carboxylic acid 



C02H.C6H3<^' ■ '-'^ 

 C:OH):X 



Bogert, Wiggln & Sinclair. Am. Sec, 

 29, {62). 



CYCLOIDS CHONj 



l-Phenyl-'j-pyrazolone 



,Ca : CH 

 Michaelis u. Remy, E. B.. 40, (1020). 



NPh<' 



2-Phenyl-3-pyrazolone 



2-PHENYL-3-PYRAZOLONI1IINE 

 CPh : CFL 



NH . Xli' 

 Moureu et Lazennec. BL, 1, (1071). 



'>C : NH 



2-Methyl-i-quinazolone 



/i-NlTRO DKRIVATIVE 



CH.Ca = C.N=CMe 



CH.C(N02) : t!-CO . NH 



Bogert & Chambers. .\.ni. Soc, 27, 

 (641) 1. 



7-XlTliO DEIllV.VTIVE. 



Bogert. Am. Soc, 27, 1 130"), 1327). 

 CYCLOID CoHsOaN, 



2, 4-Dioxy-5-methylquinazoline 



C6U3Me< 



CO.NH 

 and the DiciiLoiio peiuvative. 

 Jttrgens, U. B., 40, (4409). 

 (d-8536) 



CYCLOID CsHkON: 



Cyclohexylpyrazolone 



Wahl et Meyer, A. C.i;., 145, (192). 

 CYCLOID CHicONj 



5-Hexyl-3-pyrazolone 



5-nEXYL-PyRAZOLOXIMINE-3 



CgHn-C : CH (, . ^^ 

 NH NH 

 Moureu et Lazennec. BL, 1, (1071j. 



CYCLOIDS CoHsOjN, 



4-0xy-2-methylquinaz oline 

 6- (and 7-) carboxylic acids 



C02H.CeH3<^^[^'^^'^>N 



Bogert, Wiggin & Sinclair. Am. Soc. 

 29, (82). 



CYCLOID CHkiON, 



2, o-Dimethyl-l-quinazolone 



7-NlTUO DERIVATIVE 



-N : Cile 

 \'(lNiIe 

 Bogert. Am. Soc, 27, (1305, 1327). 



N02.CeH3<' 



CYCLOID CiuHioO.N, 



N-Glycyl-N-phenylglycinanhydride 

 Leuchs 11. Manasse, W. B., 40, .".2.'>." 



CYCLOID C.Hi^O.N, 



Diphenyldiketopiperazine 



I>I- 111- and l)-N'lTRi) DERIVATIVE 



N02.C6n,.N<^;^j-^^;]>N.C6H,.N02 



also the di- m- and p-AJiixo compounds. 

 Deutsch. J. pr., 76, (350). 



CYCLOID C,,H ON: 



l-Phenyl-'i-pyrazolone- 

 3,4-dicarboxylic acid 



PhN-< . ^ and its 



CO . CH.CO^H 



MOSOMKTIIVI, ESTER 



an<l the pfic HijUnjdrazidc of the latter 



Ruhemann, S. J.C, 91, (1350). 

 3 K 



