Cycloids containing nitrogen. 

 a-Methylcinchonic acid 



,< 



C(C02H):CH 



'X= 



Meyer. 



Methyl ester. 

 M., 28. (47). 



CYCLOIDS CnHOsN 



a-Oxy-5-methyl-cinchonic acid 



C6H,<. 



C L'OaH) : 

 X= 



CMe 



croHj 



CeH,< 



Ethyl ester. And the ethyl ester of the 

 corresponding a-0XT-)3-ETHyLClsCH0Sic 



ACID. 



Meyer. M., 28, f33). 



a-Methylquinolone •>-carboxylic 

 acid 

 XiCOaH) : CH 

 ■X(CH3) .CO 



ilETHTL ESTER. 



Meyer. M., 28, (59). 



CYCLOID CnH904N 



Pr-1 (N),2,3-Methylindole dicarb- 

 oxylicacidCgH.XiCO^H'. 



And the chloride, amide etc. 

 Keif, G. B., 42, (3038). 



CYCLOID CkHhON 



i-Ethyl---quinolone 

 5-Amlso-derivative. 

 Decker, H. u. Engler, H. B., 42, 

 (1736). 



CYCLOID CiiHisOiN 



6 : 7-Dioxy-2-etliyl-3 : 4-dihydro- 

 isoquinolinium chloride, aurichloride 



and riCR.A.TE. 

 Pyman. 70093. 



CYCLOID CiiH;0:N 



Quinaldineoxalic acid. 



Ethyl ester. 

 Wislicenus, W. u. Kleisinger, E. 

 42, (lJ41j. 



Lepidineoxalic acid. 

 Ethyl e.«ter. 

 Wislicenus, W. u. Kleisinger, E. 

 42. (1142). 



B., 



■10 1931 



CYCLOID CiHi O.N: 



Styrylpyrazole carboxylic acid 



PhrH:ai.C :X.Xli ^/ ^,,,;^,. 



CH : C.CO^H 

 Ruhemann. 70535. 



CYCLOID CnHuO^N 



1-Phenylpyrrolidine '- ■■ 5-dicarb- 



OXylic acid and its METHYL and ETHYL 

 esters and anilide. 

 ,CH(C02H).CH2 

 XPh/ 1 



\CH(C02H).CH2 



Le Sueur. GS410. 



CYCLOID Ci2Hi:02N 



". : 7-Dioxy-i'-propyI-3 : 4-diliydroiso- 

 quinolinium chloride and picrate. 

 Pyman. 70093. 



CYCLOID CnH.ON 



Oxyindazole. 

 Trichloro derivative. 



CeH,Cl2<^; >C6H3C1 



L(Url) 



Freundler. C.R., 149, (1135). 

 CYCLOID Ci3HnON 



o-Oxy-7-stilbazole. 

 Bramsch, W. 64653. B., 42, (1196). 



CYCLOID C-H; ON 



Tetrahydroacridone. 



Tiedthe, H. B., 42, 024). 



CYCLOID CiiHrOiN 



i-Keto-6 : 7-dimetlioxy-2-ethyltetra- 

 hydro-isoquinoiine. 

 Pyman. Tun'J.':;. 



CYCLOID CnHi.ON 



2-Piperido- 1 -phenylethanol 



CHPh ( )H .CH^.XCsHjo 



Rabe II. Schneider. A., 365, (378). 



CYCLOID C.jHi-O.N 

 6 : 7-Dimethoxy-2-ethyltetrahydro- 



isoquinoline and its hydrochloride. 

 Pyman. 7UU93. 



