Cycloids containing nitrogen. 911 



1930 



CYCLOIDS CitHuON 



7-Oxy-i, -'-naphthacridine 



C6H4<|^ >C\oH5.0H 



Baezner, ('. Berlin, Ber. D. chem. 

 • ies., 37, 1004, (3077-3083). 



a-Naphthaplienanthridone 



l-iotJe^ C6H4 ^ 



i8-naphthaphenanthridone 



''ioH6< 



CU.XH 



> 



Graebe, C. Liebigs Ann. Chem. 

 Leipzig, 335, 1001, (122-1.38). 



CYCLOID CitHtOzN 



o-and p-Thymotine piperidide 



CgHfile )(C.H, V OH 1; CHj.OH) 



fCH_,.XC5.H,o). 



Hildebrandt, H. Berlin, Ber. D. chem. 

 i;e^., 37, 101)4, (44.5(3-4450). 



CYCLOID C Hi.O'N 



ms-Phenylacridine o-carboxylic acid 



METHVLESTER. 



Decker, H. unci Hock, Th. Berlin, D. 

 chem. Ges., 37, 1004, (1002-1012). 



CYCLOID C20H17ON 



Oxyphenylmethyldihydroacridine 



^>ynthesis from X-uietliylacridone and 

 phenylmaguesinm bromide. 



Biinzly, H. uud Decker, H. Berlin, 

 Ber. D. chem. Ges., 37, 1004, (575-577). 



CYCLOID CuHjiON 



2-Keto-3, 3-diphenyl 5-ter.butyl- 

 2, 3-diliydropyrrole. 

 ^^g^C(CMe3) : CH 



CO CPh2 



Japp, F. R. and Maitland, ^Y. London, 

 J. Chem. Soc, 85, 1004, (1490-1512); 

 [abstract] London, Proc. Chem. Soc, 20, 

 1004, (205-206J. 



CYCLOIDS C,JInO>N 



Quinophthalone 



Sodium and potassium sails. 



Eibner, A. and Merkel, H. Beidin, 

 Ber. D. cliem. Ges., 37, 1004, (3006- 

 .3011). 



Isoquinophthalone 



Action of alkali ; conversion into the 

 acid C18H13O3X. Also the methyl, di- 



and TRIM ETHYL DERIV.V.T1VES. 



Eibner, A. und Hofmann, K. Berlin, 

 Ber. D. chem. Ges., 37, 1004, (3011- 

 .3018). 



iluNl)l!H< iMO-DEIilVATIVE 



Eibner, A. und Hofmann, K. Berlin, 

 Ber. D. chem. Ges., 37, 1904, (3018- 

 3023). 



CYCLOID CsHnOzN 



Diphenylpyridine carboxylic acid 

 >^<cpl:;cH>^-^'^3n. 



Klobb, T. Paris, Bui. soc. chim., 



(ser. 3), 29, 1903,(407-400). 



1-PlIENYLAMIXO DERIVATIVE 



XHPh.X<Cp^3):CH 



CO CPh, 



Japp, F. R. and Maitland, W. [1- 

 Phenylamino-2-keto-3 :3-diphenyl-5-fe)'f.- 

 butvl-2 : 3-dihydroi3yrrole]. London, J. 

 Chem., Soc, 85, 1904, (149C-1512j ; 

 [abstract] London, Proc Chem. Soc, 20, 

 1904, (205-206). 



CYCLOID C;rH2i04N 



Papaverine 



Some quaternary salts, 



also MOXOBROlIOPArAVEKIN'E. 



Decker, H. Berlin, Ber. D. chem. 

 Ges., 37, 1904, (.3800-3815). 



CYCLOID CiH ON 



2-Keto- •"', 3.diplienyl-i-methyl--j-ter- 

 butyl- 2, 3-dihydropyiTole. 



MeX<^'(t'-Me3):Cll 

 CO CPhj 



Japp, F. R. and Maitland, \\'. London, 

 .J. Cliem. Soc, 85, 1004, (1400-1512); 

 [abstractj London, Proc Chem. Soc, 20, 

 1904, (205-206). 



