Cycloids containing nitrogen. 55: 



1931 



cycloid CuH 13 2 N 

 Benzoylenetrimethylpyrrolone 



C,H 4 .C : Cile >co 

 CO— N.CMe 2 

 Gabriel. 15.. 47, (2922). 



CYCLOID C,sH ]S 0,N 



3-Phenyl-l methyl- dioxindole 



CH (ThoH) 



And its METHYL ETHER. 



Kobn u. Ostersetzer. M., 34, (1747). 

 CYCLOID CisHuOsN 



a-Oxy-3-phenyl-cinchonic acid 



|. H ^0(OO t H):OEh 



C6H4< N=6.0H 



Iaaphenic acid. 



Borscbe u. Jacobs. B., 47, (354). 



CYCLOID CuH.AN 



a-Phenylquinoline 

 £?-dicarboxylic acid 



Seminiteile C 6 H 4 <g ( : C ^>C.( 39 



And similar compounds. 

 Meyer. J. pr., 90, 23). 



CYCLOID CuHuOsM 



6-0xy-2 : 4 diphenylpyridine car- 

 boxylic acid 



Nmm CPh^^H >X 

 Meyer. J. pr., 90, '45). 



CYCLOID Ci 8 H 15 3 N 



3-Phenyl-5 tolyl-2-pyiTolone 

 carboxylic acid 



Nitbile NH<^^ h >C.CN 



And similar compounds. 

 Meyer. J. pr., 90, (47). 



CYCLOID C 13 H 17 3 N 

 Kairolinephthaloylic acid 

 CH t <^ e CH, >C 6 H 3 .CO.C 6 H«.C0 2 H 

 Cobn. L 10201. 



CYCLOID C.sHuCN 



Diphenylpyridine dicarboxylic acid 

 OH<^p^g [ « H )>O.G l H 4 .OO t H 



Ciusa e Buogo. 110142. 



CYCLOID C 19 H, 5 0,N 

 3-a-Naphthyl- 1 -methyldioxindole 



Kobn u. Ostersetzer. M., 34, (1750). 



CYCLOID GioHuOiH 

 C,H 4 (CO) 1 : C,H t>NH 

 C 6 H 4 

 Ullmann u. LUgen. B., 47, (380). 



CYCLOID C 2 H 1S 2 N 

 a-Phenyl-3-naphthyl-quinolinic acid 



Ciusa. 110140, 110142. 



CYCLOIDS C 26 H 13 5 N 



l -.2:2' : r-Dianthraquinone- 

 acridone 



C;4H 6 2 <^ TH >C 14 H 6 0j 



Scbaarscbmidt. A., 405, (121). 



1:2: 5-ti-Diphthalylacridone 



C,H 4 : (CO), : C 6 H 2 <^>C e II 2 : (CO), : 



C 6 H 4 Also the 3:4:6: 7-isomeiide 



Eckert u. Halla. M., 35, (757). 



1932 CYCLOIDS WITH TWO 

 ATOMS OF NITROGEN IN 

 THE RING. 



Asabina & Kuroda. 109171, 109172. 

 New method of preparing some pyrimi- 

 dine derivatives. 



Bayer. 109388. Indolone. 



Berg. 109491. l-Phenyl-methyl-3- 

 anilo-pyrazolone. 



Biltz. J 09603. Benzenyloram.il und 

 Methylbenzenyluramil. 109604 : Salz- 

 bildung der Barbitursiiure und ihrer 

 Derivate. 109605: Uramilcarbonsaure- 

 ester und l-Methyluratnilcarbonsaure- 

 ester. 



a. Strafe. 109611 : Abbau 



des Theophyllins. 109612: 7-Acyltheo- 

 pbylline and ibr Abbau. 



