Cycloids containing nitrogea 715 



1931 



CYCLOID C, H,,ON 

 Oxybeuzyldihydroisoindole 



Mclhyl ether 



.MHi,i',II,.('ll2.N<^;J{j>C6H4 

 Tiffeneau. 151,9,(823). 



CYCLOIDS CeHuO.N 



N-Metliyl-a-methylindylquinone 



a-Metliylindyltoluquinone 



- ; ""-Dimetliylindylquinone. 



MoMau 11. RedUch. Iv, 44, (.'1012). 



CYCLOID CoH.rOjN 



Meconin anilide 



'O.Me).A',;ll2<*-^^(^)2>NPh 

 Meyer u. Turnau. SToCiT. 



CYCLOIDS CwHOjN 



Quinolylene phenylene ketone 



carboxylic acid. 

 Noelting u. Herzbaum H., 44, (2587). 



2-Indanone-2-indolindigo 



Felix u. Friedlaender. S4481. 

 CYCLOID CHnOjN 



Quinolyleneplienylenemetliane 



carboxylic acid. 

 Noelting u. Herzbaum. H,, 44, (^2588). 



2-Indan-2-indolindigo 



C6H4<Qj^ >C: C<^xj^>CeH4 

 Felix u. Friedlander. 844S1. 



CYCLOID C,;H,sO:N 



2 : 5-Dimethylindyltoluquiiione. 

 MoWan u. Redlich. 1?., 44, ;3U14). 



CYCLOID Ci H,ON 



2 : 9-^N -Indoloantlirone. 

 Scholl. B., 44, i2;^7t; . 



CYCLOID C, HnON 



O.N-Dihydro-1' : 9- Ni-Indolo- 

 anthrone. 

 Scholl. B., 44, (2370). 



CYCLOID CiHnO.N 



2 Naphthalene-- -indolindigo 



CH : CH NH- 

 1- and 5-.\c(i(iinino- derivalires. 

 Bezdzik u. Friedlaender. 82543. 



CYCLOIDS CaHuOjN 



3-Oxy-naphthalene-indolignone 



C,H,< ^ ' ^'•' '' '>C,H4 



CO.C(OlI):CHNH- 



Bezdzik u. Friedlander. 82513. 



5-0xy-2-naphthalene-2-indolindigo 



CO . c=c.cu 



C,H3(0H)<^,j^(,^jj;j„ X'Jl, 

 Bezdzik u. Friedlander. 82543. 

 CYCLOIDS CioHnOiN 



Diphenylpyridone carboxylic acid. 

 Petrenko Kritsclienko u. Schottle. 

 8S448. 



CYCLOID CisH,304N 



3 : 4-Diquinonyl-2 5-dimethyl- 

 pyrrole- 



MBhlan u. Redlich. 1!., 44, (3()15). 

 CYCLOID Ci H,,ON 



Piperidino-benzoyl-phenyl- 

 acetylene PhCiXCsli.o) : CH.Co.CeH^ 

 Andre. C.R. 152, (526). 



CYCLOIDS CnHuOsN 



Anthraquinone-1 : 2-acridone 



UUmann u. Sone. A., 380, (340). 

 Anthraquinone-2 : l-acridone 



< '6U4<QO>'-'6H2<QQ >(-'6H4 



Ullmann u. Oohsner. A., 381, (6). 



i-Cliloro. k-aniino derivatives, etc. 

 Ullmann n. BiUig-. A., 381, ;^22). 



CYCLOIDS C :2H,302N 



2-Anthracene-2 iiidolindigo 



CeH4<^'^^-^:-^^-^ = ^<NS>C.H« 



(Ul.r.CH:('ll 



and i -Anthracene 2-mdolindigo. 

 Friedlaender u. Bezdzik. 84479. 



