ta Sian chacaniptiseal (If]), m.p. 122 to 124°; 'b. p. . 203°. The chloride Bee 
0 owdered 
FOr preparing cecnene ‘acid the finely ‘po 2-iSOME 
: ; already ade one hour: the 
Sulphur acid of 30 au cent.; 
“CH, C(CH,): CH. CH. Che: cict) Conn 
Sy (1) a-Cinenic acid. Ne Lo ul 
Gi eae 
as sores aie “ crcieny-chee CH: 
CHsg- C(CHs) -CHe : CHe . CH, . C(CHs)OH oe 7 i ES OH: . 
(Il) Hydroxy lactone formula for cinenic acid. oe i a ie : “ay. Cinageni acid, ¥! 
by action of phosphorus pentachloride yielded on treatment with magnesium a 
dioxide i in absolute ether (d+-l)- «-fenchylanic. acid (allo-apocamphanic acid) r()) am 
The formation of this acid from #-fenchene shows that the decomposition of the 
passes off not only in the normal way by spitting ‘up! of a carbon | linking, t 
without loss of carbon. 
His i Chg” HCE Se ee 
-H3C. j CHs HaC Gs Ghigs ho os 
My Jcu-coH,. Hck. | eo 
| ee ea 
(I) eRenehysanic acid. (II) eG 
" 
sept 
This transformation passes of, 
by steam disttilation: 
’ 
90. — ‘) Liedig’s 4 Annaten 44 on oe Be ee ees peg 
