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Preservative effect of certain substances upon carreldakin solution**Section on Practical Pharmacy and Dispensing, A. Ph. A., Buffalo meeting, 1924.

โœ Scribed by Harrisson, Joseph W.E.


Publisher
Elsevier
Year
1924
Weight
201 KB
Volume
13
Category
Article
ISSN
0898-140X

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โœฆ Synopsis


angustzfolia roots is to be followed by further studies on a larger amount of material kindly supplied by Professor Lloyd.

The chief constituent of the oil appears to be a tetrahydrosesquiterpene with two double bonds, hence a chain hydrocarbon, which, however, is not straight chained.

By catalytic hydrogenation a new pentadecane, which also, of necessity, is not a straight chain hydrocarbon, has been obtained.

A preliminary suggestion as to the possible structure of the tetrahydrosesquiterpene under consideration may be found in the formula: in which the pentyl radicles are of an is0 character. Thus far, however, there is nothing to show that the molecule is as symmetric as the formula would indicate.


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A striking contrast to the usual attempt to obtain reliable opinion on organoleptic properties resulted, the unanimous opinion being that no one was better than another. As a further test, the same samples were diluted with water to obtain a 1-10 dilution, and submitted to other individuals for tas