1930 



roo 



1930 



CYCLOID C.,Hi N 



Triphenyliminopyrazolone 



^Kt 



p-CuL()R(J DEKIVATIVE 



'NPh . C : NH 



^CPh.CH.C'eH^Cl 



"Walther, R. von und Hirschberg, L 



J. prakt. Chem., Leinzkr, f\.F i 'e?' 



1003,(377-394). ^ " ' ' 



CYCLOIDS C>-jHi,N, 



1. 2, 2', I'-Anthrazine 



(C6H,<9U>c,H,),X3 



SchoU, R. und Berblinger, H. Berlin. 

 ''•^r._ D. chem. Ges., 36, l'J03, (3427- 



Anthracene-azine 



Kaufler, F. Berlin, Ber D chem 

 '-..36,1903,(1721-1722.. 



CYCLOIDS CONTAININf! TWO 

 XITROGBN ATOMS AXD OXYO'EX. 



CYCLOID C3H4O.N:, 



Hydantoin 

 .NH.Cir^ 

 ^NH . CO 

 Preixiration, acetil DEin\ATi\i; 

 ,NAc . CH2 

 "NH .CO 



and DICHLOROHYDANTOIK. 



Haxries, C. und Weiss. M. LiebiL's 

 Ann. Chem., Leipzig, 327, 1903, (355- 



CYCLOID C4H.ON2 



Oxypyrimidine 



C0<' 



C0< 



r)-0xY-2-AJlIN0-I'Yr!IMI[iI.\E 



NH..c4;CroH)^cir 



and its methyl ether. 



Gabriel, S. und Colman, J. lierlin, 



f;,er._ D. chem. Ges., 36, 1903, (.3379- 



' 0080). 



I Wheeler, H. L. and Johnson, T B 

 I 5'°*\^8es of 2-amino-fi-o.xvpvrin.idine; 

 • New Haven, Conn.. Cent. Sheffield I.ab. 

 j Yale Lniv., No. 103. m .\nier. Chem. .1., 

 I i'altimore, Md., 29, 1903, (49-'-.'i04) 

 I.-3482) 



2-0.\y-C-,vMis-oi'Vi!i.\nDiNE 

 {Cijloiiiiic). 



Wheeler, H. L. and Johnson, T. 1!. 

 On cytosine from tritico-nueleic acid. 

 New Haven, Conn.. Cont. Sheffieki Lai). 

 Yale Univ., No. 104. in Amer. Chem. J 

 Baltimore, Md., 29, 1903, (505-511). 



CYCLOID C,H402N2 



Dioxypyrimidine 



DuiErao.xvi'VRi.MimNE C4H2N.,(OMe)2 



also 2, G-AMISOMETHOXY, 2, G-AJIINO-OXV 



and 2, 6-.\MisocHLORorYRi.\iiDiXE. 

 Gabriel, S. und Colman, J. Berlin 

 Ber. D. chem. Ges., 36, 1903, (3379 



3385). 



ChLoRuDIOXVI'YRIMIOIN-K 



Methyl ether C4HClN2(OiIe), 



DiCHLORO-OXY-PYUIMIL'INE 



Mclhijl ether C4HCl2N2(OMe) 

 Buttner, K. Berlin, Ber. D chem 

 Ges., 36, 1903, (2227-22.35'. 



CYCLOID C.H.OjN. 



2, 4, 6-Trioxypyrimidine 



TriMETOYL ETHER C7H10O3N2 



Buttner. E. Berlin, Ber. D. chem 

 'm-.., 36, 11103, (2227-2235). 



CYCLOIDS C4H 0,N, 



Lactyl-urea 

 (.Q^NH . CHMe 

 Nil . CO 

 and its acetijl dcnrative CgllaOjNj 

 Harries, C. und Weiss, M. Liebirrs 

 Ann. Chem., Leipzig, 327, 1903. (355- 

 384). 



Monohromo clerirate. 



Andreasch, R. Wien, MonHfte Chem 

 23. lllui', (S(J3 81.-»). 



Iso-e-methylhydantoin 



HO.C<^ — ^'.^^^ 

 .WMe . CO 



Harries, C. und Weiss, M. Liebi^s 

 Ann. Chem., Leipzig, 327, 1903, (.355- 



384). ^ 



3 D 



