Cycloids containing nitrogea 689 



CYCLOIDS C,Hs02N2 



"-Dimethyluracil 



CO .I'll :('.Me 

 NH.CO . NMe 

 }\itro and amino derivatives. 

 Henkel. A., 378, (] 74). 



^-Dimethyluracil 



CO .ClJ:CiMe 

 NMe.CO.NH 

 Nitro and ami)io derivatives. 

 Henkel. A, 378, (182). 



3-Methyipyrazole-i acetic acid 



'i-Chloro derivative, 

 Michaelis u. Schmidt. I!., 43, (2116). 



Imidazylpropionic acid. 



Anilidc 



/NH.CH 

 CH< II 



X\— C.CIIo.CHj.CG.NHPh 

 Windans. B., 43, 199). 



CYCLOID CHi.OsN, 



Trioxydiiiydro-a-dimethyluracil 



co.c^oH)2.CiOii).cn3 



NH.CO N.CHj 



Also the ^-isomeride. 

 Henkel. A., 378, ( 177!. 



CYCLOIDS C;H,o02Nj 



1:1: 5-TrimethyIuracil 



Xile.UO .Cile 



CO .NH.CMe 



Bremer. A., 378, (188). 



Propylglycine anhydride. 

 Levene. B., 43, (.'!168). 



2-Methylpyrazole I -propionic acid. 



5-Chloro derivative 

 A-hromo-5-cJdoro derivative. 

 MicliaeUs u. Schmidt. B., 43, (2116). 



CYCLOID CHijO.Nj 



4 : 5-Dioxydiliydro-i : 4 : o-trimethyl- 

 uracil. 

 Bremer. A., 378, J 90). 

 (d- 11383) 



C6H4<- 



1932 



CYCLOID CSH4O2N2 



'"-Bisanthranil 



^^.SCefl2<^^" 

 CO '^CO 



DiacetijI derivative. 

 Bogert & Kropff. Am. Soc, 31, (841). 



CYCLOID C.H6ON2 



2-Oxyquinazoline 



,N=rC.OH 



^CH : X 



Mctlnjl iind cthijl elliers. 

 Bogert & May, Am. Soc, 31, (507). 



4-Oxyquinazoline. 



Metlnjl etJier 



C(OMe) : N 

 .\ nd the n-propi/l ether. 

 Bogert & May. Am. Soc, 31, (507). 



CYCLOID CaHeOaNj 



2 : 4-Dioxyquinazoline 



c.n,<>^^-=9<*" 



C(OH) : N 

 Diellnjl and di-n-propijl ethers. 

 Bogert & May. Am. Soc, 31, (507). 



2 : -l-Diketotetrahydroquinazoline 

 .CO .XH 



C6H4 



/' 



'\nh.co 



3-Melhylai)ii)io, acetamino and 

 benzylideneatnino derivatives. 



Kunckell. B., 43, (1021). 



CYCLOID CaHHOjN. 



Glycyl-l-isoleucine anhydride. 

 Abderhalden u. Schuler. B., 43, (907). 



CYCLOID CsHsO.N^ 



4-Qumazolone 2-carboxylic acid 



3-AxiI,IN0 DEItlVATIVE 



CO.X.XIIPh 

 Bogert it Gortner. Am. Soc, 32, (119). 

 2 Y 2 



