Cycloids containing nitrogen. 713 



1931 



NH,.CO.NH.N<'- 



AcetyldimethylpyiTole 



Metiivi.knk 6/.-f-:'>-A(i;Tvi.-l' : I-himktiiyi.- 



I'VHKOl.K Cil2(C4Nll.Me2Ac)2 

 METHyLE.VE-6(8-5-AOETYL-2 : iniMETHYI.- 



PVnUOLE 



-MeTHYLEXE-Jx'.s- ri-BENZ0YI.-2 : l-liIMETllYl.- 



1'YnUOl.E 



and similar oonipotincis with rthyl'idene 

 in \A:\cti of nti'tliiileiie. 



Colacchi. S3371. 



CYCLOID CgHnO.N 



Trimethylpyrrole carboxylic acid 



l-ri(AMlDO-l' : 3 : 5-TIilMi:TllVLl'YIUU)I.E 

 4-OARBOXYUC ACID 



,CMe : CMe 

 'CMeiC.COjlI 

 Etlnj] ester. 

 Korscliun e RoU. G., 41, i, (186). 



CYCLOID CoHtO'N 



Indole I -carboxylic acid 



Cll<'(«[[^>X.C02H 



and tiie 2-carboxylic acid 



Oddo e. Sessa. (i, 41, i, (234). 

 CYCLOID C H ON 



a-Methyl-N-oxyindole 



■i-nitrb derivative 

 X02.CeH3<;:jJ)y^>C.Me 

 Borsche n. Rantscheff. .\. 379, (179). 



CYCLOIDS C.HmON 



N-Isobutylpyridone 



N-lsM|;lTVI.l'Vi;iliI.\IL-M .SALTS. 



Decker II. Kaufmann. J. pr.,84, (437). 

 3-Acetyl-2 : 4 : 5 trimethylpyiTole 



Cile : Cile 

 Colacicchi. 83373. 



CYCLOID C.HnO.N 



4 : -i-Diethyltrimetliylenedicarbon- 



imide X ii<^"'^-*'">ci:t, 

 uo.cil 



aud its 3 : 5-di carboxylic acid. 

 GMglieno. 84683. 



CYCLOID C; H.ON 



i-Metliylquinolone 



()-Acet(iiniiioiiiiilii/lijinnnl()ne. 

 Decker u. Kaufmann. ,J. j)!-., 84. (442). 



CYCLOIDS C, HON 



N-Methyloxindole-i aldehyde. 

 Friediander u. Kielbasinski. 15., 44, 

 (3103). 



SMethylindole l -carboxylic acid 



Also 3-methylindole 2-carboxylic 



acid and 2 methylindole 3-carboxylic 



acid. 



Oddo. A., 42, i, (.'5(11.. 



CYCLOID ChH.O N 



, a,a'-Lutidine tricarboxylic acid 



I3,)i'-Diel]ujl enter. 

 Senary. B., 44, (489). 



CYCLOID CoHnON 



1 ■ Methylquinolanol 



X.Me.CH.OlI 

 Dinitro. nit robromo, die. derivatives. 



Decker u. Kaufmann, J. pr., 84, 

 (-1451. 



CYCLOID CHnO^N 



7-Oxytetrahydroisoquinoline 



3-carboxylic acid 



Pictet u- Spengler. 1! , 44, (2035). 



CYCLOID CoH.sON 



Kairolinoxide Celi4<^^^'"""'^^^^^ 

 XMe(0).Cll2 



Resolution into <l and I- forms. 

 Meisenheimer. .\.. 385, (134). 



CYCLOID CoHi.ON 

 N-Isoamyl-a-pyi'idone 

 N-Isoamylpyridinium salts 

 Decker n. Kaufmann. J. pr., 84, 

 (438). 



CYCLOID CnH O.N 



)3-Phthaliminopropene 



Cflll^U, : X.C.Me ; t'lij 

 and the mono, di and tribromo- 

 corapounds. 

 Gabriel. 1 J. 44, (3085). 



