P. W. Danekwortt: Kantharsäure, Isokantharidin usw. 
he. 
CH CHO.SO,H 
H,0.HC- | —CH—CO — SCH co 
SO: 0 I >0 =» > 
H,0.HC\_| _CH—CO __-CH— Er 
CH CHC! 
CH ar Ost, 
-NCH.COOH | 
| | y 
L__-CH— — CO | 
CH + HC 
Ib. 
CH CH.O.SO,.Cl 
H,0.Hc—| CH—CO „CH-C0 
CIS0,0B >01 ee. ulor wer) 
ra u _ CH—CO == CH—CO 
CH CHOH 
CH + HCl + H,SO, 
eo ‚on -— co 
RE „CH. COOH | 
CH 20 
& ILba. 
H, 0.80,H 
H,O en CH ‚CO NS CH_6CH_00 
| 20<a’ = z nero 
H Ir 26E] nr N Pr > =>: 
‚CL__CH—CH co SE 
CH, 
+ H,SO, 
2 U CH—-COOH 
9 
_C=—CH— CO 
+ HC1 
Bi IIb. 
2 0.80,C1 
H,07CH-—CH C OH CH00 
No-80;C1 So > | >O 
H,C un 00 _ CHZCHC0 
"Ne. >0H 
2 
+ HC1 + H,S0O, 
DBELETZ09 
20 
CH CH—COOH 
665 
H,O 
H,O 
H,O 
> 
> 
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