ACETO ACETIC ESTER • 6\ 



KNORR, L., 1884. 



Ber. 17. 2032-2049 ; J. Cliem. Soc. 46, 1377 ; Jsb. Chem. 1884, 877. 



Constitution of Quinizin Derivatives. 



Experiments were made which tend to prove the constitution of these 

 bodies. They probably come from the hypothetical base quinizin, 

 which is : — 



CH -NH 

 / \ N I 

 HC C / \CH 



I I I 



HC C CH2 • 



\ / N / 

 C C 



H H2 



Many of the derivatives were described, among them antipyrin, which 

 is dimethyloxyquinizin, 



CH -NCH3 

 / \ N I 

 HC C / \ CCH, , 



II I 



HC C CO 



\ / \ / 



c c 



H H2 



and some of its derivatives. 



KNORR, L. and A. BLANK, 1884. 



Ber. 17, 2049-2052 ; J. Chem. Soc. 46, 1380. 

 Action of Substituted Acetoacetic Esters on Phenylhydrazin. 



Methyl-acetoacetic ester and phenylhydrazin form 2' : 3' dimethyl- 

 oxyquinizin, 



H 



C -NH 



/ \ N I 

 HC C/ X CCH3, 



II I ■ 



HC C CHCH3 



\ / \ / 

 C C 



H O 



