

] ABLE OF SPE< II If GRAY] I [ES 



12th. Acids and Ethers of the Pyruvic Series. 



Name, 



Pyruvic, 

 acetyl- 



pyroracemic, <>r 

 formic acid. 



Propionyl-formii 



\ ■ . 

 laevuli 



l-propionic, or 

 iiic acid. 



Form 



Sp. < Iravii v. 



I II, " 1.288,18° .... 



L2792 

 1.2408 

 1.2600 

 1.2416 



C 4 H 6 0, 



'". II. O, 



1.2000, ; 



1.186, I 



Ail BOR1 i v. 



Volckel. .1 



iU8. 



Claisen and Shad- 

 well. Ber.l 1. 161 7. 



Claisen and Shad- 

 well. Ber. 11,621 



( llaisen and M 

 Ber. 18, 2122. 



Conrad. Ber. 11 



2178. 



Methyl pyruvate .. 



Ethyl ncetacetate 



(i (i 



., 







Amyl acetaci i :i t • • 



Met! \ 1 methj I 

 Ethyl methj fai 



. 1 laevulinate 



. 1 laevulinate 

 . 1 laevulin . 



I , ii. , 



c,H,a 



C.H..O, 



1.164,0* 



C II ,0 



I II - 

 I || ,, 



C ( H w O 



16 



.91 M 



180 

 1.08174, 16° 



1° ... j 

 .964, 10° 



C,H M < 



; i° 





 1.0619, ! 







-0° .. j 



Oppenheim. I! 



19, 2 

 Brandes. J. 19 

 Geuther, .1 18 



! A < T 



208, 1. 

 Elion. Ber. 17 



Schiff. Ber. 19, 



Perkin. .1 P. C 

 \ C P. 



-L'l 



