Salts of (-)sukhodianine derivative
A technology for compounds and drugs, applied in the field of medicinal chemistry, 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] Suhedinine fumarate
[0048] Dissolve 3.55 g (0.01 mol) of the compound styrenine and 1.17 g (0.01 mol) of fumaric acid in 95 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 styrodin fumarate crystals, and styrodin fumarate was filtered out. Salt crystals were washed with ethanol and dried under vacuum at 50°C to obtain 4.70 g of product.
Embodiment 2
[0050] Suhedinine fumarate
[0051] Stir 3.55 g of the compound styrodinine fumarate and 1.17 g of fumaric acid in 95 ml of refluxing ethanol until all the solids are dissolved. Add activated carbon, filter the hot solution through diatomaceous earth, and cool down to room temperature while stirring. After standing for several hours in a temperature environment of 0-5°C, the crystals of styrodinine fumarate are precipitated, the crystals of styrodinine fumarate are filtered out, washed with ethanol and dried under vacuum at 50°C to obtain 4.69 g of product.
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