1930 



018 Cycloids containing nitrogen. 



CYCLOID CrH.OzNj 



Methylglutazine 



Baron, 11., Remfry, F. G. P. and 

 Thorpe, J. F. [Methylglutazine and the 

 action of nitrous acid on it ; also its 

 hvdrochloride.] London, J. Chem. Soc, 

 85, 1904, (1726-1761). 



CYCLOIDS CcHaO.Nz 



C-Dimethylbarbituric acid 



CMe,<g^;|g>CO 



C-Ethylbarbituric acid. 

 Fischer, E. und Dilthey, A. Liebigs 

 Ann. Chem., Leipzig, 335, 1U04, (?,3i- 

 368). 



CYCLOID CeHioONs 



3, 4-Methylethylpyrazolone 



Locquin, Rene. Paris, Bui. soc. cliini., 

 (ser. 3), 31, 1901, (593-595). 



CYCLOID CeHioOvNa 



3, 5, 5-Trimethylhydantoin 



1-CARBOXI'ISOPROPYI.A.M IN'O deki v.\tive 



CO,H.CMe,.NH.N<«^':rP^^ 



and l-Carhoxyhopropijlamino-5, 5.di- 



metliijl-2>-ethyl-hijdantohi and \-carhoxy- 



i80propylamino-5, 5-dirnethyl-S-alhjl- 



liydantoin. 



Bailey, J. P. .J. Amer. Chem. Soc, 

 Easton, Pa., 26, 1901, a006-1026). 



CYCLOID CtH.ONz 



Benzoisopyrazolone 



Thode, C. J. prakt. Chem., Leipzig, 

 (X.F.), 69, 1904, (92-104). 



CYCLOID CTHtO^-Na 



Ricinic acid. 



Maquenne, L. et Philippe, L. Paris, 

 C.-R. Acad, sci., 138. 1904, (505-508). 



CYCLOID C7H8O2N2 



3, 6-Dimethylpyridazine 

 4-carboxylic acid 



Etuyl ester CH<gj^g,^ ^jg^_^j .T>N 



Korschxm, G. Berlin, Ber. D. chem. 

 Cles., 37, 1904, (2183-2192). 



CYCLOID C7H8O4N2 



Methylglutazine carboxylic acid 



Ethyl ether 



^^<CO.CH(CO,Et)>^-^" 



Baron, H., Remfry, F. G. P. and 

 Thorpe, J. F. [Ethyl meth3'lglutazine- 

 carboxylate and its dibenzoyl derivative.] 

 London, J. Chem. Soc, 85, 1904, (1726- 

 1761). 



CYCLOIDS C7H10O2N2 



Dimethylglutazine 



Baron, H., and Remfry, F. G. P. and 

 Thorpe, J. F. [Dimethylglutazine and 

 its diljenzoyl derivative.] London, J. 

 Chem. Soc, 85, 1904, (1726-1761). 



Ethylglutazine 



^"<co-ch!>c^nh 



Baron, H., Remfry, F. G. P. and 

 Thorpe, J. F. [Ethylglutazine and its 

 dibenzoyl derivative ; also the action of 

 nitrous acid on it.] London, J. Chem. 

 Soc, 85, 1904, (1726-1761J. 



2, 6-Dioxy-4-methyl-5-ethyl- 

 pyrimidine 



Methyl ether N<g'J^^f?-^j,^>CMe 



Bruce, W. M. J. Amer. Chem. Soc, 

 Easton, Pa., 26, 1904, (449-464). 



3, 6-Diinethyl-4, S-dihydropyridazine 

 -4-carboxylic acid 



Ethyl ester CH,<g2(g^^£)£Me^N 



Korschun, G. Berlin, Ber. D. chem. 

 Ges., 37. 1904, (2183-2192). 



