Chemistry and Physics. 145 
sulting from the acids of the formie series by the replacement of o 
equivalent of hydrogen in the radical by one of peroxyd of hydrogen 
HO2z. Thus acetic acid being 
CsH303-+ HO 
glycolic acid is CaH2(HO2)03+4+-HO and may be termed 
oxy-acetic acid. In like manner lactic acid is oxy-propionie acid and so 
on. Considered as amido-acetic acid glycosin has the formula CsH2 
(NH2)O3-+4-HO. To test the correctness of Kulbe’s view Ulrich has 
instituted experiments to determine whether the acids of the formic series 
can be prepared from those of the glycolic series, and has succeeded in 
transforming lactic into propionic acid by a simple process. This consists _ 
in acting upon lactate of lime by perchlorid of phosphorus by which the — 
chlorid of chloropropioxyl is formed. Brought into contact with water 
this gives chloropropionic and muriatic acids, according to the equation 
CeH1ClO2. Cl4- 2HO = CeHaClO3, HO+-HCl. 
According to his view the glyoxylic acid of Debus is dioxyacetic 
that we have the series 
Acetie acid CsHs03, Ho 
Oxyacetic acid CsH2(HO2)0s, HO 
Dioxyacetic acid .  CaH(HO2)203, HO 
Glyceric acid is then dioxypropionic acid. In like manner anisic acid 
may be regarded as oxytoluic acid. Kolbe suggests that the alcohols and 
aldehyds of the oxy-acids are derived from the alcohols and aldehyds of 
the primitive acids by simple replacement of hydrogen by HOs, exactly 
like the oxy-acids themselves. It must be admitted that his views, to say 
the least, are very ingenious and suggestive—Ann. der nd 
harm., cix, 357. 
have obtained combinations of valeral—the aldehyd of valerianic acid— 
with acetic and benzoic aci of these ¢ m nds 1 tw 
equivalents of acid to one of oxyd, but are not identical with t 
acetate and benzoate of amyl-glycol. Guthrie had already 
ta 
the Compounds of Valeral with Acids ——Gutunie and 
Ae 
her show, moreover, that the aldehyds in their relations to acids care 
referable to the type of two equivalents of water and not of two equiva- 
drogen. rman 
SECOND SERIES, Vor, XXVIII, No. §2,—JULY, 1859. 
19 
