1930 



912 Cycloids containing nitrogen. 



CYCLOID C2,H.304N 



N-Methylisopapaverine 



ami its Iterate. 



Decker, II. uud Klauser, 0. Berlin, 

 l!er. 1>. chem. Ges., 37, 1004, (520-531). 



Bromo-derivative. 



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

 <ies., 37, 1904, (3809-3815). 



CYCLOID C.2H2604N 



X-Ethylisopapaverine. 

 Decker, II. und Klauser, 0. Berlin, 

 Ber. I), chem. (ies., 37, 1904, (520-531). 



CYCLOID C.jHjiON 



Triphenylpiperidone 



Mayer, C. Paris, Bui. soc. chim., 

 (ser. 3„). 31, 1904, (985-987). 



CYCLOID C:4Hj,02N 



Decyl-naphthaquinoline carboxylic 

 acid 



'-ioti6^C(C02H) : CH^ 

 Blaise, E. E. et Guerin, G. Paris, 

 Ihil. .oc. chim.. (ser. 3), 29, 1903,(1202- 



1208). 



CYCLOID C27Hv,04N 



-\ -Benzylisopapaverine. 

 Decker, H. unci Klauser, 0. Berlin, 

 Ber. D. chem. Ges., 37, 1904, (520-531). 



CYCLOIDS CONTAINING NITRO- 

 GEN AND SELENIUM. 



CYCLOID CbHtNSs 



a-Methylpyridylselenide 



^^^CII : ( 'MeSc>^^ 



Michaelis, A. und Holken, A. Lielngs 

 Ann. Ghem., Leipzig, 331, 1904, (245- 

 264). 



CYCLOID CHuNSe 



7-Methyllutidylselenide 



X: ^G.Me.GII%^^,-,r £. 



'^<CMe.GIT>^^^"'^'' 

 Michaelis, A. und Holken, A. Licbius 

 Ann. Ghem., Leipzio-, 331, 1904, (24u- 

 264). 



CYCLOIDS WITH TWO NITROGEN 

 ATOMS. 



CYCLOIDS C3H4N2 



Pyrazole 



4-Aminopyrazule, 3 (5)-am[nopykazole 

 and 3, 5-diaminopyrazole. 



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

 37, 1904, (3520-3525). 



J ITT \- 



Glyoxaline •• ..^^^^^ 



Benzoyl derivative. 



Heller, G. Berlin, Ber. D. chem. Ges. 

 37, 1901, (3112-3119). 



CYCLOIDS C4H4N2 



Pyrimidine. 



Wheeler, Henry L. and Johnson, 

 Treat B. Researches on pyrimidine 

 derivatives : 5-methylcytosine. " [Filth 

 jiaper]." [New Haven, Gonn., Cont. 

 ■Sheffield Lab. Yale Univ., No. 116] in 

 Amer. Ghem. J., Baltimore, Md., 31, 

 1904, ([591J-606). 



2, 4, 6-TliICIII.OI!i)l'YRIMIDINE 



method of pieparation. 



Gabriel, S. und Colman, J. Berlin, 

 Ber. D. chem. Ges., 37, J '.104, (3657- 

 3658). 



2, 4, 0-Triaminoi'vuimii)Ini: 



c(xiy4;g^}g>Gn 



TeT It \-AM IXO-P Y R IMIDI N E 



C(NH2)<|;gfJ5{J;)>G.NH, 



Traube, W. Berlin, Ber. D. chem. Ges., 

 37, 1901, (4544-4547). 



Pyridazine 



GH-^pu . f'H^^"'^ (Orlhodkizine) 

 Reduction to tetramethyldiamine. 



Marquis, R. Paris, Bnl. soc. chim. 

 (ser. 3), 29, 1903, (393-396). 



