Cycloids containing nitrogen. 



719 



1932 



CYCLOID CvfHisN: 



Biacridyl- 

 Decker, H. n. Dunant, G. 



B., 42, 



CYCLOID CseHuNz 



•Syiu-Phenyldiliydrophenanthra- 

 phenazine 

 and the acetyl derivativk. 

 Hinsberg, 0. B.. 42, f3335). 



CYCLOIDS CivHjeN; 



>-Tolyl-2 : 4-dimethyldibenzylpyri- 

 midines 



CeH^Me.CFIj.CK;: 



X:C(CH2.C6lUMej 



-CE' 



Best & Thorpe. (U3U5. [o-o-tolyl-2 : 

 4-di-o-methylbeiizylpyriinidiiie, 5-m- 



tolyl-2 : ■i-di-m-inetliylbeazylpyrimidiue 

 and fi-p-tolyl-S : 4-di-p-inetliylbeiiz\-l- 

 pyrimidine and their 6-amino-deriva- 

 tives.j 



CYCLOID C2bH22N2 



-V-Phenyl-a-ethyl-dihydrophenan- 



thraphenazine. 

 Fraund, M. u. Richard, L. B.. 42, 

 (111 ly. 



CYCLOID C2,H24N: 



2-Ethyl-l ,2,3-triphenyl- 1 .--diliydro- 

 quinoxaline. 

 Freund, M. u. Richard, L. B., 42, 



(I 111. 



CYCLOID C32H22N2 



-N'.-V'-Diphenyldihydrophenanthra- 



phenazine- 

 Freimd, M. u. Richard, L. B., 42, 



(UKi). 



CYCLOID C40H32N2 



Tetraphenyl-bis-pyrryl-p-xylene 



Ph2C( C\H4Xj.CcH,.( 'Ph^.C^H.X 

 Khotinsky, E. u. Patzewitch, R. B., 

 42, (3105). 



CYCLOIDS WITH TWO NITROGEN 



ATOMS AND OXYdEN. 



CYCLOID C3H4ON2 



CII.XIL 



''so-Iminazolone II /CO 



Fenton & Wilks. 



(D-9973) 



CH.NH^ 

 G5949. 



CYCLOID C4H2O4N 



Tetraketopiperazine- 



1-1 llAMLOTETRAKETOPIl'EKAZINE 



^«<CONPJ0.1^>NH 



,CO.C( : NPh), 

 -C(:NPh).CO 

 Mouilpied & Rule. 69209. 



CYCLOID C4H4ON2 



Pyridazone Co<^!^7^^>CH 

 Gabriel, S. B., 42, (G57). 



CYCLOID C4H4O3N2 



Barbituric acid 



NH<g5>^CH^C0 



Wood & Anderson. 72481. The 

 ciiiistitution of the salts of barbituric 

 acid. 



CYCLOID C4HiON2 



3-Methyl-5 pyrazolone 



4-Bri)mij and 4,4-L)ini(oAio derivatives. 

 Muckermann, E. B., 42, (3459). 



CYCLOID C4H0O3N2 



Oxymethylhydantoin. 

 Behrend u. Niemeyer. A., 365, (39;. 



CYCLOID CsHjOjN. 



Pyridazone 3-carboxylic acid 



Gabriel, S. B., 42, (657). 



CYCLOID C5H6O3N2 



Pyridazinone 



Gabriel, S. B., 42, (656). 



CYCLOID C5H8O3N2 



Hydrothymine 



H().CMe<J^J;^{{>CO 

 Foumeau. Bl., 5, (234). 



CYCLOIDS CeHaONz 



4,6-Dimethyl-2-ketopyrimidine 



(Acetylaeetonecarbamide) 



c<><5?:g^>CH. 



Condensation products icith aromatic 



aldeliydes. 

 Stark, 0. B., 42, (699). 



3 A 



