Cycloids containing nitrogen. 693 



CYCLOID CisHhOsNz 



Carboxethylphenacylbarbituric 

 acid 



COPli.CH(C02Et).CH<^Q^'2>*^^ 

 and tlie corresponding methyl derivative. 

 KuhUng. B., 43, (2400). 



CYCLOID CisHuOtNz 



Carboxethylplienacyldialuric acid 



CU.NH pQ 



and the acctoxij derivative. 

 KuMing. B., 43, (2400). 



CYCLOID C16H10O2N2 



Indigo. 



5,7 ,5' ,1 '-tctrabromo, 4,5,1,5' ,T-penta - 



brown 

 'i,5,7,i',5',T-hexabromo derivatives. 



Grandmougin. 13., 43, (937). 

 CYCLOID CicHioONz 



2-Styryl- 1-quinazolone 



N = C.CH:CHPh 

 CO.NH 

 and its o-oxy- and p oxy-vi-metlioxy- 

 derivatives. 



Bogert et alii. Am. Soc, 32, (1654). 



3-Amino derivative 



nu ^N = C.CH:CHPh 



CO.N.NH2 



and its benzylidene and salicylidene 



derivatives. 



Bogert et alii. Am. Soc, 32, (1654). 



7-Amino 

 NII,.C6lT3<^ 



7-Amino derivative 



,N = C.CH:CHPh 

 ^CO.NH 

 and its acetyl derivative. 

 Bogert et alii. Am. Soc, 32, (1654). 



NH2.CeH3< 



3 : 7-DlAMINO DERIVATIVE 



,N = C.CH:CHPh 



Dibenzylidene, diaeetijl and acetyJ- 

 beiizylidene derivatives. 



Bogert et alii. Am. Soc, 32, (1654). 



NH2.C6H2Me<' 



1932 



CYCLOID C16H12O2N2 



Diphenylpyrazole o-carboxylic acid 



CPh : N ->N.n H4.C0,H 

 CH :Cli ' 



5-Chloro derivative. 

 Michaelis. A., 373, (177). 



CYCLOID CbHijOjNj 



1 : 3-Diplienylpyrazolone o-car- 

 boxylic acid 



CPh:N ^x.CeH^.CO^H 

 Cil2 .CO 

 and its i-nitro and isonitroso derivatives. 



Michaelis. A., 373, (193). 



CYCLOIDS CeHuONj 



l-o-Tolyl-3-plienyl-5 pyrazolone 



CH2 . CO 

 Michaelis. A., 373, (170). 



3-Phenyl-2 : 0-dimetliyl-4-quinazo- 



lone- 7-Amino coMroLNi) 

 ,N = CMe 

 Y'O.NPh 

 Acetyl derivative. 

 Bogert & Kropff. Am. Soc, 31, (107 1). 



CYCLOID C,6H,40.N2 



5 : 5-Diphenyl-3-metliylliydantoin. 



l-ClII.OnO DERIVATIVE. 



Biltz n. Behrena. B., 43, (1984). 

 CYCLOIDS ChHmONz 



Benzylidenebenzylglyoxalidone- 

 Finger u. Zeh. J. pr., 82, (50). 



2-StyryI-3 methyl 4-quinazolone 



^„ .N = C.CH:CHPli 

 CO.NMe 

 Bogert et alii. Am. Soc, 32, (1054). 



7-A.MINO DERIVATIVE 



,N = C.CH:CHPh 

 "CO.NMe 

 Bogert et alii. Am. Soc, 32, (1654). 



CYCLOID C17HUO2N2 



l-Benzoylphenyl-3-methyl-5-pyrazo- 



lone ^.^' ■ *^''^>N.C6H4.CO.C6H5 

 CMe : N 

 Torrey & Rafsky. 80935. Am. Soc, 

 32, (1489j. 



NH2.CeH3< 



