Cycloids contaming nitrogen. 705 



1932 



CYCLOID CuHiiOsNs 



1, S-Diphenylbarbituric acid 



Whiteley, il. A. 1 : 3-Diplieiiylbarbit- 



xir'ic acid and some coloured derivatives 



[Tlie dimethyl, isonitroso-, 5- 



amino-, 5-beiizylidene-, 5-benzyl- and ij- 



cimiamylidene- derivatives.] I.e. 



CYCLOIDS CsHhONj 



a, p-Tolyl-3-keto-a, i3-diliydro-p and 

 m-metliyl-quinoxaline 



N(P7H,).C0 

 and their 7-CARBOXYLic acids. 



Kuliling', 0. und Kaselitz, 0. Ber- 

 lin, Ber. D. chem. Ges., 39, 1906, (131i- 

 1326). 



CYCLOID C16H14O2N2 



Phenylbenzimidazole carboxylic 



acid. 

 Thiele, J. und Falk, K. G. Liebigs 

 Ann. Chem., Leipzig, 347, 1906, (112- 

 131). 



CYCLOID CisHkONj 



Bz-Methylketo-i>tolyltetrahydro- 

 quinazoline 



n TT At ^^'H . CO 



Cn2.N.C7H, 



Walther, R. von nnd Bamberg, R. -J. 

 prakt. Chem., Leipzig, (X.F.), 73, I'JOG, 

 (209-228;. 



CYCLOID C16H22O2N2 



o-Phenylenesebacinamide 



Meyer, R. Liebi^s Ann. Chem., Leip- 

 zig, 347, 1906, (17-541. 



CYCLOID C16H32ON2 



Dipiperido-dipropylether 



C5H,oN.[CH2]3.0.[CH2]3.^X'5H.o 



Gabriel, S. und Colmau, J. Berlin, 

 Ber. D. chem. Ges., 39, 1906, (2875- 



CYCLOID C,:Hk04N2 



Asarylidene-phenylmethylpyrazo- 

 lone 



TitlMETIIYL ETHER 



NPh<^*^-^ : CH.CeH^COMe), 

 N : CMe 

 Fabinyi, R. und Szekl, T. t.c. 



(d-653-4) 



CYCLOID CnHo^ONa 



Pulegenylpyridazinone 

 ^CH2.C=<^ '>C0(?) 



Clarke, R. W. L. and Lapworth, A. 



London, J. Chem. Soc, 89, 1906, (1869- 

 1882j ; [abstract] London, Proc. Chem. 

 Soc, 22, 1906, {2S:^). 



CYCLOID CkHuONz 



Oxy-l-a- and -l-;3-naphthyl-2-methyl- 

 benzimidazoles 



OH.C6H(N02)2<^^l>CMe 



4,7-DlNITRO COMPOUND. 



Meldola, R. London, J. Chem. Soc, 

 89, 1900. (1935-19-4.3). 



CYCLOID CisH.eOzNs 



pp-Dioxydibenzylpyrazine 



DlMEtllYL ETHER 



MeO.C6H4.CH2.C<5^^^Vc.C7H60Me 



Rimini, E. Gazz. chim. ital, Roma, 

 34, ii, 1904, (281-300). 



CYCLOID C2oH,o02N2 



3,4-Diketo-/3-quinacridine 

 Niementowskl, St. von. Berlin, Ber. 

 D. chem. Ges., 39, 1906, (385-392). 



CYCLOID C2DH12ON2 



4-0xy-i3-quinacridine. 



{^-Keto-Z-diliydro-^-qmnacridine) 

 and the 4-acetyl derivative. 

 Niementowski, St. von. I.e. 



CYCLOID C20H12O2N2 



Quinacridone 



Ullmann, F. und Maag, R. t.c. (1693- 

 1096). 



CYCLOID C2oH,205N2 



Xanthoxalanil 



pj^^ CO.Cll2CO.CO p^ 

 CO.C=C-CO 

 Ruhemann, S. The ethyl esteis of 

 acetonyloxalic and acetophenyloxalic 



3 D 



