Cycloids containing nitrogen. 830 



CYCLOID C3H5O2N 



Isatin 



l8ATIN'-3-ETHYLIMIDE 



N:C(OH) 



^'^'^ C : NEt 



and the mono and dibromo derivatives. 

 Haslinger, C. B., 40, (3598). 



Isatin iiosoi'irERiDE 



CeH,<go>C.O.NH, : CsH,„ 



Also the PIPERIDES of MONO and dibromo 



NllRO and BENZOYL ISATIN. 



Liebermann u. Krauss, R. B., 40, 

 (2491^). 



Phthalimide v. also I66O. 

 Phthalylsemic arb azide 



CaH.<gg>^'-CO.XII.NH, 

 Dunlap, F. L. Am. Soc, 27, (1091). 

 CYCLOIDS CsHsOsN 



Anthranil 5-carboxylic acid 



ACETYL DERIVATIVE 



NAc> 



1931 



CO 



'>C6H3.C02H 



also the isomeric aoetanthr.^nil 4-carb- 



OXYLIO ACID. 



Bogert, Wiggin & Sinclair. Am. Soc, 

 29. (82). 



CYCLOID CaHsOeN 



Pyridine tricarboxylic acid 



C5H2N(C02H)3 [1:2:3:4] 

 and its anhydride, esters and amide. 

 Kirpal, A. M.,26, (53). 



CYCLOID C8H13O2N 



N-Ethyl-A^-tetrahydropyiidine 

 3-carboxylic acid 



^Et<cH;.C(CO,H)>^'^ 

 WoM u. Losanitsch. B., 40, (4723). 



CYCLOIDS C8H13O4N 



a- and /3-Cincholoiponic acids 

 Wobl u. Losanitscn. B., 40, (4698). 



CYCLOID CpHisON 



Vinyldiacetonamine 



NlTIiOSO DEKIVATIVE 



^*^<CH2.CHMe^'-^-'^ 

 Kohn u. Wenzel, F. M., 27, (981). 



CYCLOID CsHisOzN 



N-Ethylnipecotinic acid 



^Et<;^i;::^S(c^i)>^^^' 



Wohl u. Losanitsch, M. S. B., 40, 

 (4723). 



CYCLOID CsHivON 



7-Oxypropylpiperidine 



CsH,o:N.[CHj3.0H 



Gabriel u. Colman, J. B., 40, (424). 



CYCLOIDS C9H7ON 



a-Oxyquinoline 



Y-PhENYLAMINO DERIVATIVE 



.C(NHPh) : CH 

 Niementowski, St. von. B., 40, (4285). 

 4-Oxyquinoline (Kijnurine) 



Isomeric methyl derivatives 



C(OMe) : CH 



^^^S = CH 



, p „ ^CO . CH 

 and C6H4< .. 



^Me.CH 



Also the corresponding ethyl 

 derivatives. 



Meyer, H. M., 27, (255). 



Carbostyril Methyl ether 

 r, Ti ^^CH : CH 



N : C.OMe 

 Meyer, H. M., 26, (1311). 



CYCLOIDS C.H7O2N 



N-Methylisatin 



0-Methylisatin 

 Heller, G. B., 40, (1291). 



