If menthone and isomenthone are equilibrated at room temperature, the isomenthone content will reach 29 %.
2.
If menthone and isomenthone are equilibrated at room temperature, the isomenthone content will reach 29 %.
3.
By contrast, d-isomenthone has a " green " note, increasing levels of which are perceived to detract from the odor-quality of l-menthone.
4.
If the chromic acid oxidation is performed with stoichiometric oxidant in the presence of diethyl ether as co-solvent, a method introduced by H . C . Brown, the epimerization of l-menthone to d-isomenthone is largely avoided.
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