Salt of apocavidine derivative
A technology of drugs and compounds, applied in the direction of organic chemistry, antibacterial drugs, etc., can solve problems such as adverse reactions and unsatisfactory drug treatment effects, and achieve the effect of practical therapeutic activity
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Embodiment 1
[0047] Apocavidin Fumarate
[0048] Dissolve 3.41 g (0.01 mol) of the compound apocavidin and 1.17 g (0.01 mol) of fumaric acid in 90 ml of boiling ethanol. The hot solution was filtered through diatomaceous earth, then slowly cooled under gentle stirring, and stood for several hours at a temperature of 0-5°C to precipitate apocavidin fumarate crystals, and apocavidin was filtered out The fumarate salt crystals were washed with ethanol and dried under vacuum at 50°C, yielding 4.57 g of product.
Embodiment 2
[0050] Apocavidin Fumarate
[0051] 3.41 g of compound apocavidin fumarate and 1.17 g of fumaric acid were stirred in 90 ml of refluxing ethanol until all the solids were dissolved. Add activated carbon, filter the hot solution through diatomaceous earth, and cool down to room temperature while stirring. Stand for several hours in a temperature environment of 0-5°C, the apocavidin fumarate crystals are precipitated, the apocavidin fumarate crystals are filtered out, washed with ethanol and dried under vacuum at 50°C , 4.55 g of product were obtained.
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