Cycloids containing nitrogen. 013 



1930 



CYCLOID C^HeN, 



3-Methylpyrazole 



5-Ethoxt derivative 



CMe : N v^x-rj i •, •< 



j>AM and ila nitrosaiiiinc. 



CH:C(OEt) 



Wolff, L. Berlin, Ber. D. cliem. Ges. 

 37, 1904, (2827-2836). 



CYCLOID CsHsN, 



2-Methylpyrimidine 



Gabriel, S. Berlin, Ber. D. clieni. Ges. 

 37, 1904, (3638-3643). 



CYCLOIDS C5H8N2 



3, 4-DiinethyIpyrazole 



ii-ElHOXY-DERIVATIVE 



CiIe:N ^-vTiT 1 • •, 



;>JNJ1 and its nitrosamme. 

 CMe:C(OEt) 



Wolff, L. Berlin, Ber. D. chem. Ges., 

 37, 1904, (2827-2830). 



a or ^-Ethylimidazole 



f^.^''^'-^V^H or P.E^-^'>CH 

 CH.N CH.NH 



and the corresponding fi-viercnpt(ni. 



Kolshorn, E. Berlin, Ber. D. chem. 

 Ges., 37, 1904, (2474-2480). 



CYCLOID CH.N. 



3, 0-Dimethylpyridazine 



CMe<^~~JJ>CMe 



Paal, ('. und Koch, C. Berlin, Ber. D. 

 chem. Ges., 37, 1904, (4382-4387). 



CYCLOIDS CHhNj 



3, O-Dimethylhexabydropyridazine 



Paal, C, und Koch, C. Berlin, Ber. D. 

 chem. Ges., 37, 1904, (4382-4387). 

 (D-9724) 



N-Dimethylpiperazine 



Knorr, L. Berlin, Ber. D. chem. Ges. 

 37, 1904, (3507-3519). 



CYCLOIDS CjHeNz 



Indazole 



C6H4'< • >-NH, B-G-xiTnoiNDAZOi-E 



N 



and the Methyl and acetyl derivatives, 

 also B-1, B-2, and B-3-nitroindazoi.es. 



Noelting, E. Berlin, Ber. D. chem. 

 Ges., 37, 1904, (2550-2597). 



B-6-Aminoi.vdazole, 

 also B-1, and B-2-Aminoin'dazoles. 



Noelting, E. Berlin, Ber. D. chem. 

 Ges., 37, 1904, (2556-2597). 



Benzimidazole 



6-ChL0R0BENZIMIDAZ(1LE 



C5H3C1<^^?>CH 



Fischer, Otto. Berlin, Ber. D. chem. 

 Ges., 37, 1904, (552-558). 



CYCLOIDS CiH.Nj 



Keto - dihy droquinaz oline 



2-AMINO DERIVATIVE 



CO.N.NH2 



rnid its compounds with henzaldehyde 

 and salicj'lic aldehyde. 



Thode, C. J. prakt. Chem., Leipzig, 

 (X.F.), 69, 1904, (92-104). 



Quinazoline 



3-lODOMETHVLATE 



,CH : NMel 

 N : CH 



and 3-METHYL0-nYDR0.\IDE. 



C6H,<' 



Gabriel, S. und Colman, J. Berlin, 

 Ber. D. chem. Ges., 37, 1904, (3043- 

 3056). 



3 N 



