1930 



749 



1930 



CYCLOID C,Ho04N2 



3-Pyridylglycocoll 4-carboxylic 

 acid. 



Gabriel, S. mid Colmaai, J. Berlin, 

 Ber. D. chem. Ges., 35, 1902, (2831- 

 2852\ 



CYCLOIDS CHkOzNv 



4-Methyl-3.5-diacetylpyrazole 

 Me . C . C ^— COCH3 

 CH3CO . C". NjH 

 also 4 Phenyl-3.5-diaeetylpyrazole. 



Wolfl, Ludwig, Liebigs, Ann. Chem., 

 Leipzig, 325, 1902, ',129-195). 



CYCLOID C3H10O5N2 



4-Methyl-5-acetyl-pyrazoline 3.5- 

 dicarboxylic acid 



Methyl ester C10H14O5N2 



Buclmer, Eduard und Scliroder, 

 Heiorich. Berlin, Ber. D. chem. Ges., 

 35, 1902, (782-790). 



CYCLOIDS CaHuOzNa 



3 . 4.-Diinethyl-i-ethyluracil 



(3 . i.-Dimethyl-l-ethyl-2 . 6-dioxypyri- 

 midine) 



also 1.4. DlMETHyL-3-El'HYLUKACIL. 



Belirend, Robert und Thxirm, Richard. 

 Liebigs Ann. Chem., Leipzig, 323, 1902, 

 (160-178). 



Methylpropylpyrazole carboxylic 

 acid 

 Amde 

 =,C(C3H,) . N . CO . NHj 

 ^CMe = X 

 *CMe — N . CO . XH2 



Bouveault, L. et Bongert, A. Paris, 

 Bui. .Soc. chim., (s6r. 3), 27, 1902, (1083- 

 1088). 



-Methyl-5-H-propylpyrazole 

 4-carboxyiic acid 



XH< 



X 



CMe 



>XH 



C(C3H7) : C . CO2H 



and its methyl ester. 



Bouveault, L. et Bongert, A. Paris, 

 Bill. Soc. chim., (ser. 3), 27, 1902, (1095- 

 1100). 



CYCLOIDS CiHuONi 



3-?i-Ainylpyrazolone 

 GHz . CO 



aCsH,,) : X- 



Bouveault, L. et Bongert, A. Paris, 

 Bui. Soc. chim., (ser. 3), 27, 1902, 

 (1088-1095). 



i-Ethyl-3-propyl-pyrazolone 



C3H, . C^ NH 



CHEt . CO 



Locquin, Rene. Paris, C.-R. Acad, 

 sci., 135, 1902, (108-110). 



CYCLOID C9H6O4N2 



1.4.3. Dioxycopyrine carboxylic 



acid. Methyl ester. 



Gabriel, S[iegmund] und Colman, J. 

 Berlin, Ber. D. chem. Ges., 35, 1902, 

 (1.358-1367). 



CYCLOID CgHsONz 



2-Methyl-4-ketoquinazoline 



3 Phexylamlso depjvative 

 CO 



C6H,<, 



>X . XHPh 



-X : CMe' 



Anschiitz, R[ichard], Schmidt, 0. imd 

 Greiflfenberg, A. Berlin, Ber. D. chem. 

 Ges., 35, 1902, (3480-3485). 



CYCLOID CsHsOjNz 



3-Oxy-2-methyl-4-ketoquinazoline 



X'O 



C6H,<^. :CMe>^' 



Oil 



Anschiitz, R., Schmidt, 0. und Greiffen- 

 berg, A. Berlin, Ber. ]). chem. Ges., 35, 

 1902, (3480-3485). 



