Omeprazole Prilosec

Omeprazole Prilosec

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Related article:
REVISION OF CYMENE AND ITS OXIDATION PRODUCTS. 983
needle-shaped crystals deposited on the inner tube of the condenser may
have been a mixture of several substances. This view is probably correct.
The fact that dilution of the alcoholic mother liquor with water yielded a
voluminous white precipitate (like the precipitate of hydrothymoquinone
from aqueous solutions) and that the Omeprazole Prilosec pink solution obtained by boiling the
impure crystals with water left a white residue, leads one to suspect the
presence of hydrothymoquinone. This hydrothymoquinone presumably
was combined with the dihydroxythymoquinone in the form of a quinhy-
drone. Another residue, insoluble in ether, was of a purple color.
Suzuki's crystals, moreover, when turned over to the writer were of two
kinds, one a bright cherry-red, the other dull purple-red in color. The
quantities, however, were too small to be used for more than a few pre-
liminary tests.
A short time ago it was found that crystals of dihydroxythymoquinone
bad spontaneously sublimed from a residue obtained from the phenol por-
tion of a Monarda oil, that had been left in a large flask after distilling.
These crystals had collected Omeprazole Prilosec on the walls of the flask and on the upper
surface of the tarry residue. After being removed by washing out with
petroleum ether they responded to the tests for dihydroxythymoquinone.
Red crystals also separated upon standing from the carvacrol obtained
from M.fistulosa, These Omeprazole Prilosec crystals were filtered out and found to be dihy-
droxythymoquinone.
Since dihydroxythymoquinone has been prepared by shaking thymo-
quinone with caustic alkali ; * and since the phenol oil from which all this
dihydroxythymoquinone has been isolated, Omeprazole Prilosec was separated from the original
oil by shaking with caustic alkali, the question arises : was the dihydroxy-
thymoquinone actually present in the plant, or was it produced Omeprazole Prilosec by shaking
a thymoquinone-containing oil with caustic alkali? Aside from the fact
that Omeprazole Prilosec the five per cent, solution of alkali used in separating the phenols
seems scarcely sufficiently strong to produce the oxidation, there is noth-
ing to prevent our supposing such may have been the case. We have,
however, indications of dihydroxythymoquinone in plants where there can
be no question of its having been thus formed.
In 1832 Eisner f extracted the pigment from the corollas of Monarda

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