Cycloids containing nitrogen. 683 



CYCLOIDS C8H-O2N 



Indoxyl 2-aldehyde 



1931 



C6H,<gy/")>C.C0H 



Friedlander u. Schwenk. B , 43- 

 (1971). 



Oxindole 3- aldehyde 



Friedlander u. Schwenk. B 43 

 (1971J. ' ' 



CYCLOID C,H,gO,N 



a,a, :Diethylolpiperidine. 



Loffler u. Remmler. I!., 43, r2048). 



CYCLOID CoHtO.N 



5-Phenyl- 1' -S-diketopyrrole 



XH< 



/CO . CO 



\CPh : CH 

 OxiDir, dioxiine and pliein/Jlujdrazone. 



Mumm 11. Munchmeyer. B 43 



(3345). 



Quinoline '> carboxylic acid. 

 Jakubowski. 7(;4'J4. (Pulisli.) 



CYCLOIDS CoH.ON 



5-Phenyl I'-ketopyrrole 



Z-methijUm'uio derivative 

 /CPh : CH 



V(OIIj.C:N.Me 



Mumm 11. Munctmeyer. B 43, 



(3345). 



2-Isoamyloxylepidine 



CsH,<^^ ■-= C.OCsH.. 



CATe : CFI 



Boffert & May. .\m. Soc, 31, f507). 



CYCLOID CoHjiON 



Piperido ^'/-amyl alcohol 



CsHioN.CH^.C.MeKt.OH 

 aud its 'p-nitrohenzoijl derivative. 

 Einhorn et alii. A., 371, (151). 



CYCLOID ChHtON 



Naphthastyril 



/CO 

 (' IT / I 



Ullmann u. Cassirer. B., 43, (439). 



CYCLOID CuHsON 



Phenyl « pyrryl ketone 

 C5Hc.CO.C4ll,N 

 Oddo. B., 43, (1012). 



CYCLOID CuHsO.N 



Ana-Methyl-0-quinoline carboxylic 



acid 

 CO,H.C.H,.\Ie/' 



C[I:CH 



\ N:CH 

 Jakubowski. B., 43, (3026). 



CYCLOID CiHuO.N 



2:1: 5-Trimethylisatin 



HeUer. A., 375, (278). 



CYCLOID CnHnON 



Benzyl a-pyrryl ketone 



Cells.Cllj.CO.C^Il^N 

 Oddo. B., 43, (1012). 



CYCLOID CHuON 



3 : 3-Diniethylindolenyl 2-methyl 

 ketone 



C6H4<^.^fp^>C.CO.Cll3 



Plancber e GiumeUi. n^mia. Rend. 

 Ace. Liiicei, (ser. 5i, 18, 2, I'JO'J, (393- 

 397). 



CYCLOID C,2H,,04N 



2 : C-Dimethyl- 1 allyl-dihydropyri- 

 dine 3 : 5-dicarboxylic acid 



DiETlIVI. ESTEIl 



^' ^ ■ ^^•^'^^CfCO^n) : CMe>^ '' 



Griskevic Trochimovsky. 2., 42 



(1377). 



CYCLOID CuH.ON 



Acridone 



2-PJienijlaniiiio-acridone 

 Kalb. B., 43, (220D). 



CYCLOID CnHnO^N 



a^-Trimethylenecinchonic acid 



C,U,<^^CO,H):C.CH,^^jj^ 



N 



C.CH, 



Borsciie. A„ 377, (120). 



