— 125 — 
also two molecules hydrochloric acid; the hydrochloride thereby formed 
yields, when heated in addition to a hydrocarbon Cg H^^, a base Cg H^y N 
of the boiling point 150^ to 151*^, and the density 0,823 (at 20P), 
to which probably the following constitution belongs: 
(CH3), . CH . CH . CHg . CHg 
I I 
NH CH-CH,, 
Phenols and phenol ethers. 
L. Brunei^) has succeeded in reducing phenols to cyclohexanols. 
For this purpose he passes phenol, thymol or carvacrol, in a current 
of hydrogen over nickel heated to 170° to 200^. The cyclohexanol 
thus obtained forms a phenyl urethane of the melting point 82°; 
hexahydro thymol boils at 214°, hexahydrocarvacrol at 218° to 219°. 
In continuation of his previous work on halogenised phenols, 
Zincke^) has studied the action of bromine on isoeugenol. The 
behaviour of the bromine derivatives of these phenols is entirely 
analogous to that of p-vinyl phenol. 
Isoeugenol dibromide 
HO( >CHBr — CHBr— CH3 
OCH3 
shows completely the character of a pseudo-phenol and reacts with 
aqueous acetone, with alcohols, and with acetic acid with loss of 
hydrobromic acid and formation of mostly oily bodies, of which only 
the solid acetyl derivative shows the true phenol character. These 
bodies have partly already been produced by Auwers and Miiller^) 
and described by them. Monobromisoeugenol dibromide 
CHBr— CHBr — CH3 
/ 
CgH^Br- OCH3 
^OH 
reacts in its derivatives partly as a true phenol soluble in alkali, — 
as in the oxy and alkoxy compounds: 
Br 
H0<^ \CH(0R) — CHBr— CH3, 
OCH3 
1) Compt. rend. 137 (1903), 1268. 
^) Liebig's Annalen 329 (1903), i. 
^) Berliner Berichte 35 (1902), 114. Report April 1902, 95. 
