ames yore of the dinydrochlorides 0 of 
ma , Hnydrochiorides: of sitios 
y -pinene, Hed heated. with aniline ipa in  gldolal ogee acid sc 
sys bornyl acetate, evidently acting hereby. as a base owing: iG its un 
ea pinene abstracts nee halide. yi eats Rs 
4 Bicaaetsy of eee 
in abridged form’). 3 s paren ee 
October 1917, 146. ay , 
Even from such complex halogen ae Pete such’ as. di 
NEPAD UPtCy, ere 
. iotatoiy d- camphene (a + 84.059, 10 per fees “solution in od ee by h 
d-pinene hydrochloride with sodium phenate. — The authors have nov 
this camphene into I-isobornyl acetate by means of glacial acetic +f phuric z 
glacial acetic acid -++ zine chloride and measured the change in the rotation or 
with the time. The isobornyl acetate thus obtained showed diso 0.991, [a 
(in substance). Camphene in solution with glacial acetic acid without 
or zinc chloride shows no change in the optical rotation even after two 
experiment with glacial acetic -+-. sulphuric alee a mixture a ie 
seared in a 10 cm. tibe at 21 to 240. ‘The pation was: 
dp + 21.13° after 3 minutes — ay + 85° after 1022 minutes : 
Mp oe 20.55 pei 91/9 ” ap ve 0. 20° 7 1232 hy aha S ie 
dy +19.86° |, 22°, ee) dyes Oh ae teh ee 
dy + 48839 a ar Gch ay 130°). A472 ee 
ay + 16.389 107 ys Se py BAO) OBA ee 
Qty $15.989 ABR geo ep 5.BB? 4, EO) Ee 
ty + 14. 15° 54 197 mvnd sR OU er aay, ee Bee ia. 
In one of the experinients. with glacial acetic acid: and zinc. ae 
was constant, after 10000 aanigeisia at — 2.62°. ; 
Fonchene — Some time ago, G. Komppa and R i Roschier) 9 ted 
—— " Se ae bea Pe 
: 4) Teknikern 25, 31; comp. Renart October 1916, 58. 
Report October 1917, 147. — *) Ibidem VII. (ae (1918), 198, 
October 1917, 144. — 5) ay de Annalen 4T ee 278. 
