Cycloids containing nitrogen. 8-10 



1932 



CYCLOID CaHeNz 



Quinazoline 



N=CH 



Bogert & Chambers. Synthesis of 5- 

 iiitro-4-ketodiliy(lroquinazoliiies from 

 G-nitio---;iiiiinobeiizoic ucid, n-nitro--!- 

 acetylanjiiiobenzoic acid, and from the 

 corresponding nitro acetvlanthranil. 

 Am. Soc, 27, (649). 



CYCLOID C9H10N2 



Dihy dro-s-methylquinaz oline 



N : Cli 

 B., 40, (4409). 



CeH3Me< 

 Jurgens, V. 



CYCLOIDS CioHinNz 



2, 3-Dimethylquinoxaline 



N:CMe 

 Gabriel u. Sonn, A. B., 40, 1907, 



(4850). 



i-Phenyl-3-methylpyrazole 



The A-azobe>izene-5-amino-(lerivative 



and the i-azobeiizeyie-d-etliyl and 



djethylammo derivatives. 



Micbaelis u. Klopstock, H. A., 354, 



(102). 



i-Phenyl-5-methylpyrazole. 



Stoermer, R. B., 40, (484). 

 j-Phenyl-3-methylpyrazole 



The 4i-7iitroso derivative 

 ,CPh : C.NO 

 \N[=CMe 

 Sachs u. Alsleben, P. B., 40, (004). 



NH<' 



CYCLOIDS CuHisNj 



5-Phenyl-3-ethyl-pyrazole 



^, CPh : CH 

 N==CEt 

 Moureu et Brachin. Bl., 33, (147). 



a, /3-Methylbenzylimidazole 

 .NH.CMe 

 'N . C.C,H, 

 Sonn, A. B., 40, (4066). 



CH<^ 



CYCLOID C,2H,4N2 



•>Phenyl-3-u-propyl-pyrazole 



^^,jj Cl'h:CH 



N = C.C3H, 

 Moureu et Brachin. Bl., 33, (147). 



CYCLOID CisHizN. 



Diphenylimidazole 



and its salts. 



Also DirilENYL-ju-CIILOROIMIDAZOLE 



PhC.NH. 

 PhC— N 

 Biltz, H. B., 40, (2030). 



:>c.ci 



CYCLOID C16H14N2 



3-Methyl-l ,5-diphenylpyrazole 



4-NlTROSO-DERIVATlVE 



,CPh : C.NO 

 'N = CMe 

 Sachs u. Alsleben, P. B., 40, (604). 



NPh<' 



CYCLOID C20H12N2 



Quinacridine 



N Cli 



UUmann u. Maag, R. B., 40, (2515). 



CYCLOID C20H14N2 



Dihy droquinacridine 



CeH4<2^^>GeH2<^ >CeH4 

 NH CH 



Ullmann u. Maag. B., 40, (2515). 

 CYCLOID C20H20N2 



!, 5-Dimethyl-3, dibenzylpyrazine 



V /CMe:CBz-. .T 

 -^<CBz.CMe^-^ 



Sonn, A. B., 40, (4066). 



CYCLOID CzsHieNz 



Anthrazine. 



The sulphate, picrate and octobromo 



dcriviilire. 



SchoU u. Berblinger, H. B., 40, (933). 

 CYCLOID C2BH18N2 



N-Diliydro-l,2,2',i'-anthrazine 

 SchoU 11. Berblinger, H. B., 40, (933). 



J 



