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CamMPHoRIC AcID: REDUCTION OF THE NEIGHBORING XyLic ACID. 
By W. A. Noyes. 
{Abstract.] 
An account of the preparation of the neighboring xylic acid has been 
recently given by the author in the American Chemical Journal. The acid 
has now been reduced to the corresponding hexahydroxylic acid. The 
latter boils at 250°—252°, while dihydrociscampholytic acid boils at 
244°. The a-brom derivative has also been prepared and treated with 
alcoholic potash. The resulting acid is not ciscampholytic acid. This 
proves that Collie’s formula for camphor cannot be true. 
a-HYDROXY-DIHYDRO-CISCAMPHOLYTIC Acip. By W. A. Novres AND 
J. W. SHEPHERD. 
{Abstract.] 
After many ineffectual attempts to prepare the acid by usual methods, 
it was finally obtained by shaking the ethyl ester of a-brom-dihydro-cis- 
campholytic acid for a long time, at a temperature of 40°—50°, with a 
strong aqueous solution of barium hydroxide. When the hydroxy acid 
is warmed with phosphoric acid and lead peroxide (a reaction for a-hy- 
droxy acids, recently developed by Baeyer), it gives a ketone which is 
probably identical with that prepared by Mr. E. B. Harris, under the 
direction of one of us some years ago. We hope to secure the ketone in 
larger quantities and that a study of its derivatives will throw new light 
on the structure of camphor. 
‘ 
IopINE ABSORPTION OF LINSEED Orn.* By P. N. Evans ann J. O. MEYER. 
The following statement concerning the necessary excess of iodine 
and the duration of the reaction, in determining the iodine absorption of 
oils, occurs in the 1897 edition (German) of Benedikt’s “Analysis of Fats 
and Waxes” (page 152): 
*This paper is an abstract of a thesis presented by Mr. J. 0. Meyer, for the degree of 
B. Sc., and placed in the library of Purdue University. 
