Cycloids containing nitrogen. 557 



1933 



cycloid C, H 0,N< 

 5 : 5'-Di-/>-amino-diphenylindigo 



(h 2 N.(V,II 4 .(V,H,^ 



Reissert. I'.., 47 





CYCLOIDS WITH TWO XITHOGEN 



AT0M8 AND SELENIUM. 



cycloid C,,H 12 N 2 Se 



Pseudoselenopyrine 



N NPh.C.SeMe 



CMe.CB 



Michaelis a. Duntze. A, 404, (38). 



cycloid C,;H,40N*Se 



i-Phenyl-"-methyl • -benzoyl-5- 

 selenopyrazolone 

 NTph CSe.CBBz 

 N=CXIe 

 And its benzoyl and other i>erivatives. 



Michaelis n. Langenkamp. A . 404, 

 24 



1933 CYCLOIDS WITH THREE 

 ATOMS OF NITROGEN 1\ THE 

 RING. 



L09769. 



Schneider. 



Les dioxytri- 



109998. Hv- 



Bougault 

 ■azines. 



Busch u 

 drazidiue. 



Ferreri. 110808. Alcmii eteri di 

 naftilen-n-ossifeniltriazoli. 



Gutbier a. Weise. 111472. Eine 

 neue Verweudung von Nitron. 



Nirdlinger, Rogers & Acree. 113743. 

 Reaction of ethyl iodide with sodium 

 l-phenyl-3-thiourazi ile. 



Reissert. L14400. Darstellung sub- 

 stituierter Indigos. 



SPECIAL. 

 CYCLOID C7H7N3 



Methylbenztriazole 1 'Ji<< N ;J e >N 

 ReisBert B., 47. (675 



CYCLOID C2oH 15 N 3 



Triphenyltriazole 



NPh< Preparation 



CPh : N * 



Busch. J. pr., 89, (552) ; 109994. 



CYCLOIDS WITH THREE 

 NITROGEN ATOMS AND OXYGEN, 



cycloid aH.0 2 N, 



Methyldioxytriazine 



N H<CO-N> COH 

 Ostrogovich. 1 1 3886. 



CYCLOID CHnO.N, 



/'ew-butyldiketotriazine 



CMe 3 C <c6.NH >CO 

 Bougault. C.R., 159, 83). 



CYCLOID C HO Nj 



Benztriazyl-acetic acid 



C B H 4 :N,.CB 2; C0 2 B 



/ no iaomeridea. 



Reissert P.., 47, (672). 



CYCLOID C.H-.ONj 



Phenyldiketotriazine 



"coTnh> co 



And similar compounds. 

 Bougault. C.R., 159, 83 



CYCLOID C 14 H,,0N3 



3 :4:Diphenyldihydrotriazolone 

 ,CPh : X 



Yo . XJl 



Busch u. Schneider. J.jir., 89, 320). 



NPh«C 



CYCLOID CuHnON, 



o- and /'-Oxyphenyl-a^-naphthylene- 

 triazole C' 10 ll f < x >N.C e H 4 .OB 



Methyl and kiiivi. ETHERS. 

 Ferreri. 1 10808. 



CYCLOID C ls H I5 0,N 3 S 

 7-0xy-3 phenyl -2-p sulphophenyl 

 dihydro-i : 2 A benzotriazine. 

 • 'Amino debivativb. 



C,H 2 (OB (NH 2 < n.n.c 6 h 4 .so,b 



N.CHPh 

 Cohn. 110201. 



CYCLOID C ,H,,0 3 N 3 



Tri" oxycyaphenine 

 N ^C(C 6 H 4 OB N^ CCH 

 ^C C 8 H 4 OB : x>'- , -8H i ')H 



Cousin et Volmar Bl., 4], 15, 416 



