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The mol-ecule of the title compound, C(28)H(42)N(6), has site symmetry with the centroid of the piperazine ring located on an inversion center. The piperazine ring adopts a chair conformation. The benzene ring and propyl-piperazine are on opposite sides of the C=N bond, showing an E configuration.
In order to gain the optimal extract condition of extraction polysaccharides in Loquate leaf by ultrasound technique, the single factor and the orthogonal experiments were carried. The results showed that the optimal condition turned out to be ultrasound extraction time 35 min, ultrasound power 120W, extraction temperature 60 degrees C and the(More)
In order to obtain the theoretical mass transfer model in the process of extracting effective ingredients from natural plant by Supercritical Fluid, the mass transfer mechanism was analyzed and the analytical solution of the dynamic model of Supercritical Fluid Extraction was deduced through rational simplifying the differential mass balance equations. The(More)
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