Cycloids containing nitrogen. 831 



1931 



CYCLOID CsHsOeN 



N-Oxylutidone dicarboxylic acid 



Ethyl ester and its benzyl derivative. 

 CjHjON [CMe : C(C02Et;]2CO 



Palazzo, F. C. Roina, Rend. Ace. 

 Lincei,(Ser. 5), 14, ii, 1905, (157-161). 



CYCLOID C.H,302N 



Dimethylol-a-ethylpyridine 



and its salts 



C5H4X.CMe(CH2.0H)2 



Loffler u. Grosse, A. B., 40, (1325). 



CYCLOIDS Ci:H;03N 



Oxymaleic acid anil 

 CH — CO, 

 CfOH).CO' 

 Wohl u. Freund, W. 



'>XPh 



B., 40, (2300). 

 a-Oxycinchonic acid 



DiMETUYI- ETUER ESTER 

 r H <^C(G02Me) ^prr 



'"^"^^X : C(0Me)'>'"^ 

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



CYCLOIDS CoHgON 



Oxyquinaldine 



Methyl and ethyl ethers. 

 Meyer, H. M., 27, (987). 



CYCLOID C, H,,ON 



Isobutyrodiacetonamine 

 pP)^Cii2.C.Me2.Nll 

 ^^^CH2.CH(CH.Mej)'^ 

 and its nitroso derivative. 

 Kohn u. Wenzel, F. 11., 27, (981). 



CYCLOIDS CnH;0:N 



Quinoline •'',' '-dicarboxylic acid. 

 Hepner, H. M., 27, (1015). 



Quinoline 7,8 dicarboxylic acid. 

 Haid, R. .M., 27, i;51.1i. 



CYCLOID CnH.O.N 



^-Methylcinchonic acid 



IIethyx ester and amide. 

 Meyer, H. M., 27, (31). 



Methyl ester, acid chloride, amide 



AXILIDE, etc. 

 Omstein, G. B., 40, n088). 



CYCLOIDS CuHsOaN 



Oxymaleic acidp-tolil 



CH CO. 



C(OH).CO' 

 WoM 11. Freund, W. B,, 40, (2300). 



'>X.C,H7 



a-Oxy-yS-methyl-cinchonic acid 



CaH.<i''^^^>CMe 



Methyl ester. 

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



Amide and axilide, also a-UETHOXY- 

 METHYLCixcnrxic acid. 



Omstein, G. B., 40, 1088). 

 CYCLOID C,,H,04N 



a-Methylphthalylglycine 



CH3.C3H3O2 : X.CH2.CO2H 

 Jurgens, V. B., 40, (4409). 



CYCLOIDS CnHuON 



3,3,7-Trimethylindolinone 



CH : CH. CCMcj 

 CH : CMe.C. XH 

 and its hromo deriv.ative. 

 Brunner, K. M., 27, iiJ83). 



2>C0 



^>C0 



3,3,5-Trimethylindolinone 



CMe:CH.C.CMe2 

 CH : CH . 'C . NH' 

 and its nRosio df.riv.vtive. 

 Brunner, K. .A[., 27, (1183). 



CYCLOID CkHsON 



Phenyl o-pyridyl ketone 



i'-Aminii ruaavATivE 

 C6H5CO.C5II3N.NH2 

 Kirpal, A. M., 27, (371). 



CYCLOIDS C.HsO.N 



Phenyl 2-oxy-3-pyiidyl ketone 



C5II5. CO. CjiljX. OH 

 Kirpal, A. .M , 27, (371). 



a-Phenylpyridine 7-carboxylic acid. 



Issoglio. 17753. [Acido o-fenilpiri- 

 diu-7-carbonico.] 



