Cycloids containing nitrogen. 



ro9 



1931 



ll 



Pseudoconhydrin. 

 Loffler, K. B., 42, (IKii. 



CYCLOIDS CgHTOaN 



Dioxyquinoline. 

 Edinger, A. u. Buhler. L. B., 42, 



(4318). 



7-Ketohydro c arb ostyril 



/N : G.OH 



Salts and benzoyl derivative. 

 Heller, G. u. Tischner, W. B., 42, 

 (4563). 



CYCLOIDS C9H7O3N 



a,/3-Dioxy-7-quinolone 



/NH.C.OH 



CeH/ !1 



\C0. C.OH 



and the BENZOYL DEUIVATIVE. 



Heller, G. n. Tischner, W. B., 42, 



(45G5). 



Indoxylic acid 



Perkin, A. G. 69739. 



CYCLOID CHgOsN 



Lutidone dicarboxylic acid 



Sabanejev. 70592. 



CYCLOID CaHnOzN 



Haemopyrrole carboxylic acid. 



The I'lcKATi'; and methyl estee. 

 Piloty. A., 366, (L'55). 



CYCLOID C^H.sON 



1:4:6: 6-Tetramethyl-A -tetra- 

 hydro-i'-pyridone- 



3-Amino derivative 



Piccinini. Torino, Atti Ace. sc, 43, 

 1908, (890-912). 



CYCLOID CjHisO.N 



3-Oxy-i : 4 : 6 : Gtetrametliyl-A^- 

 tetrahydro---pyridone 



Piccinini. Torino, Atti Ace. sc., 43, 

 1908, (890-912). 



CYCLOID CjHnOjN 



2:2: 4-Trimethylnipecotinic acid 



vu/CH2.CH((J0.,H) ^ 



Issoglio, Torino, Atti Ace. sc, 43, 

 1908, (1100-1121), 



CYCLOIDS C10H7O2N 



Cinchonic acid 



Methiodide of the ethyl and methyl 



esters. 

 Decker, H. n. Remfry, P. J. pr., 

 (344). 



Quinaldinic acid. 



Meyer u. Turnau. Chinaldinsiiure- 

 ehlorid. M., 28, (1531. 



CYCLOIDS CoHtOjN 



a-Oxyquinoline /S-carboxylic acid 



C6H4< 



CH:C.('(),II 



and its 



N:C.(.)11 

 methyl ester and .methyl ether. 

 Also the isomeric a-oxycinchonic 



acid. 

 Meyer. M., 28, (53). 



CYCLOIDS CioHjON 



l-Metliyl-2-ciuinolone. 



5- Amino derivative 

 /CH : Oil 

 NH,.CeH3< I 



\.\\\Je.CO 

 Also the 7- and 8- amino derivatives. 

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

 (1736). 



m-Oxy-p-toluQuinoline 



m-CYANO-p-TOI.UQUlNOLINE. 



Edinger, A. u. Buhler, L. B., 42, 

 (4316). 



CYCLOIDS CioHnO.N 



6 : 7-Dioxy-2 methyltetrahydroiso- 

 quinoline. dimethyl ether, its salts and 

 1-cYANO- and 1-keto-derivatives. 

 Pyman. 70093. 



Pyman. 70093. [(i : 7-L)diydroxy-2- 

 methyl-3 : 4-dihydroi.soqiiinolininm hy- 

 droxide, dimethyl-ether, and salts.] 



CYCLOIDS CuHgO^N 



7-CinnamenyIisooxazolone. 

 Biedel u. Schulz. A., 367, (35;. 



