Cycloids containing nitrogen. 



723 



1932 



CYCLOID C18H14ON2 



Methylenephenyl^a-naphthylcarb- 

 amide Oii,<^,[J,^-;)>CO 



Senier & Shepheard. 71053. 

 CYCLOID C18H16O3N2 



o-Keto-2 : ;j-di-/'-methoxydiphenyl- 

 3 : 4-dihydro-l : i-diazine 



McCombie & Parry. 68720. 

 CYCLOID C19H12O2N2 



8.8'-Diquinolyl o'-carboxylic acid. 

 Jakubowski, L. v. u. Niementowski, 

 St. V. B., 42, ((U.l). 



CYCLOID C19H14ON2 



1 0-Metliylphthaloperinol 



N^C . 



\N-CMe(OH)/ 

 Sachs. A., 365, (120). 



CYCLOID C19H20ON2 



Diphenyl-1 .o-diethylglyoxalone. 



Biltz u. Kosegarten. A., 368, i236). 

 CYCLOID CgH.oOzNj 



5,5-DiphenyI-i.o-diethylhydantoin 



^ NEt.CPh, 

 NEt.CO 

 Biltz u. Kosegarten. A., 368, (239 j. 



CYCLOID C15H22O3N2 



DiphenyM .3-diethylglyoxalone 



glycol. 

 Biltz u. Kosegarten. A., 368, (238). 



CYCLOID CzoHhO.Nz 



5'-Methyl-8,8-diquinolylcarboxylic 



acid. 



Jakubowski, Z. v. u. Niementowski, 



St.v. B., 42, (CiJO). 



CYCLOID C2oH,60N2 



3-Keto-2 : n-distyryl-o : 4-dihydro- 



1 : -l-diazine ;iiKl its iiydroculoiude and 



lETRABRO.MlDE 



McCombie & Parry. G8720. 



CYCLOID ('22H12ON2 



N aplithalop erinone 



and the dinitro, di.^mino and dibromo 



DERIVATIVES. 



Sachs. A., 365, (128). 



CYCLOID C23H32ON2 



l,2-Dietliyl-l,2-diliydro-cinchonine. 

 Freund, M. u. Mayer, F. B., 42, 

 (4724). 



CYCLOID C24H16ON2 



10-Phenylphthaloperinol. 

 Sachs. A., 365, (122). 



CYCLOIDS CzsHisONz 



N-'>Benzophenone-C-phenyl- 

 indazole 



Carre'. BI., 5, (284). 



Benzoyl-NC-diphenylindazole 



C6H4<--'^'^'>N.C6H4Bz 

 N 

 Carre'. C.R., 148, (491). 



CYCLOIDS C27H2nON2 



T etraph enylgly oxalone 



CPh.Nl'li 



>C0 



CPh.NP: 

 Biltz 11. Kosegarten. A., 



(219). 



1 ,3,.5,5-Tetraphenylhy dantoin 



(JP]l2.NPh (,Q 



CO— NPh 

 Biltz u. Kosegarten. A., 368, (223). 



CYCLOID C27H22O3N2 



T etraplienylglyoxaloneglycol. 

 Biltz u. Kosegarten. A., 368, (222). 



CYCLOID C27H32ON2 



1 -Ethyl-2-phenyl-i .2-diliydro- 

 cinchonine- 

 Freund, M. u. Mayer, F. B., 42, 



(4726j. 



CYCLOIDS WITH TWO NITROGEN 

 ATOMS AND SULPHUR. 



CYCLOID CiiHsNiS 



Dihydrothioperimidone 



C,oH6<^TH>CS 

 Sachs. A., 365, (141). 



