Cycloids containing nitrogen. 



713 



1931 



CYCLOIDS CuHiiOzN 



2-Indole-3-oxy- 1 -naphthalene- 



indolignone. 

 Friedlander, p. B., 42, (1060). 



-Naphthalene-^-indolindigo 



CH.CH NH 



l-Naphthalene-2-indolindigo. 



Bezdzik u. Friedlaender. :\1., 29, 

 .•^78) 



CYCLOID Ci.H.sON 



N-Methyl a,a'-diphenyl-7-pyridone 



Petrenko-Kritschenko, P. B, 42, 



(.3687,!. 



CYCLOID CiaHnON 



A'-Ethyl-a,a'-diphenyl-7-pyridone. 



Petrenko-Kritschenko, P. ?.., 42, 



(36'J-,). 



CYCLOID Ci.HiO N 



2 : 3-Diketo-4-phenyl--"^- 

 cumylpyiToline 



and its PUESYUUDrazoNE. 

 Ruhemann. 70538. 



CYCLOID CjHiiO.N 



Acenaphtheneindolindigo. 



Bezdzik u. Friedlaender. M., 29, 



(385). 



CYCLOID C.iH.sON 



/3-Benzoyl-;8-naphthaquinoline. 

 Borsche, W. B., 42, (■1085 . 



CYCLOID CcoHuOjN 



Diphenylenephthalamic acid 



^'JJ'>X.C().CO,H and its amide. 



060.4 



Stummer. .M., 28, (41 1). 



CYCLOID C3 HisON 



Phenylphtlialideanilide 

 Meyer. M., 28, (1220). 



CYCLOID C20H23O4N 



1 : 2-Diliydropapaverine 



and its .-^alts and X-iiEXZnVL-DERiVATiVE. 

 Pyman. 700113. 



CYCLOID C2,H,c04N 



Tetrahydropapaverine. 



HyDRoCHLuUILE, AURICHLOUIDE, I'ICRATE, 



X'-BEN/.oYL- and BRO.MO-N-BENZOYL 



DERIVATIVES. 



Pyman, 7O0'J3. 



CYCLOID C ,H3704N 



N-Methyltetrahydropapaverine 



[,U-]M,ulano.-iine). 



Pictet, A. u. Finkelstein, M. [Syn- 

 thesis.] B., 42, (1U79. 



CYCLOID C2 Hi,02N 



2-Indole-'.i-antliraceneindolignone. 

 Friedlander, P. B., 42, ( lOill ;. 



CYCLOID C iHisON 



2-Phenyl-3-benzoylquinoline. 

 stark, 0. B., 42, I 7 IS). 



CYCLOID C .HnOiN 



a, 0, K-Triphenyl-a', 3'-diketo- 

 pyiTolidine 



CHl'h.CHPh, 



i >N"' 



L'O CQ/ 



Borsclie, W. P. , 42, (4076). 

 CYCLOID C :H2.04N 



N-£tliyltetrahydropapaverine 



and its I'Icuate. 

 Pyman. 70093. 



CYCLOID C .HiOjN 



a. N-Diphenyl-^-benzoyl-a', 

 /3-diketopyrrolidine 



/rilPli.('H.(,'()Ph 

 XPI< I 



\co — 



Borsche, W. B., 42, (4084). 

 CYCLOID C23H,90..N 



N, a-Diplienyl-/3-benzyl a', /3'-diketo 

 pyrrolidine 

 Borsche, W. B., 42, (,408G;. 



