Cycloids containing nitrogen. 55] 



1931 



Ethere oJ the oxjme. 

 Borsche u Sander, li, 47. 2815). 



CYCLOIDS CH„0N 



"'-Oxydihydromethylketole 

 BO.C„H,<°|«>CHMe 

 Braun B., 47, 



"'-Oxydihydro-scatole 

 HO.C,H,<^ Me >CH s 

 Braun. B., 47, (502). 



"i-Oxytetrahydroquinoline 

 HO.Cjii < ( ' ,i ' ( ' Ii 2 



XII. l II 

 Braun. 1!.. 47, (498). 



CYCLOID C.HmOjN 



■'-Acetyl-- ; --dimethylpyrrole 4- 



carboxylic acid. 

 Piloty ,/ alii. A.. 407, (1). 



CYCLOIDS C H, 2 N 



i : 2-Dimethyl-3 ethylpyn-ole 4- 



carboxylic acid. 

 Piloty el alii. A., 407, (1-42). 



. - • ■"-Dimethyl-3-ethylpyrrole 4- 

 carboxylic acid XH< rMe:CEt 



< 'Me:C.CO,H- 



ETHYL ESTER. 



Vecchi. G., 44, i, i 173). 



CYCLOID C„H:0 2 N 



Quinoline fl-carboxylic acid 

 ,CH:C.CN 

 *JN : CH 

 Meyer. J. pr., 90, (22). 



CYCLOID C, H ; 0*N 



N-Oxy-carbostyrilcarboxylic acid 



CH = C.CO,H 

 HeUer a. Wunderlich. B., 47, (2889). 



CYCLOID C,oH i5 ON 



4-Acetyl-2 : 5-dimethyl- i- ethyl- 

 pyrrole 

 ,CMe: CEt 



XnniLE C $ H 4 < 



NH< 



i'Me: CAc 



Vecchi. 115773. 



CYCLOID CnHnON 



N-Methyl-acetyl indole 

 C.H 4 <g^ e >C.CO.CB 



Diels u. Durst. B., 47, (284), I L0460; 

 DUrst I Hi.") 70. 



CYCLOID C U H, 2 N 2 



--Methylindole-a aminoacrylic acid 



C,H 8 N.CB :C(NHj .C0 2 B 



Benzoyl derivative. 



Ellinger u. Matsuoka. B., 91, 1 45;. 



CYCLOID C12H14O2NJ 



a- Methyltry ptophane 

 C,H B N.CH,.CB Nil, .C0 2 B 



Ellinger u. Matsuoka. 11., 91, (45- 

 57). 



CYCLOIDS CuHON 



Acridol C,H 4 <9(°H)>c 6 H 4 

 • Kliegl u. Fehrle. B., 47, (1635). 



N-Phenylanthranil 



C 6 H 4 <9° 

 NPh 



Drechsler. II., 35, (533 . 



CYCLOIDS C !3 H 2 N 



4-0xyacridone 

 HO.C B 3 <°°>C 6 H 4 



mi:iiiu. ETHER. 

 Kliegl u. Fehrle. P.., 47, (1638). 



N-Oxy-acridone C,H 4 <^, OH ,>C 8 H 4 



Kliegl u. Fehrle. B., 47, (1634). 



CYCLOID C,JrI 17 0N 



Phenyltrimethylpyrrolidone 



CHPh< CH2 -9° 



NMe.CMe 2 



Gabriel. B , 47, : 



CYCLOID C,4H 1: 0N 



Phenyloxindole 



c « H «<NPh >C0 



StoUe. B., 47, (2120). 



