Dicranostigma leptopodum berberrubine salt derivative
A kind of bald acne flower and compound technology, which is applied in the field of bald red alkali organic acid salt and its pharmaceutical application, can solve the problems of adverse reactions, drug resistance, and unsatisfactory therapeutic effect, and achieve the effect of practical therapeutic activity
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Embodiment 1
[0047] Alopecia erythrine fumarate
[0048] Dissolve 3.54 g (0.01 mol) of the compound alopecia rhodophylline and 1.17 g (0.01 mol) of fumaric acid in 95 ml of boiling ethanol. The hot solution is filtered through diatomaceous earth, then slowly cooled under gentle stirring, and left to stand for several hours in a temperature environment of 0-5°C, and the crystals of alopecia fumarate are precipitated, and the alopecia fumarate is filtered out Salt crystals were washed with ethanol and dried under vacuum at 50°C to obtain 4.69 g of product.
Embodiment 2
[0050] Alopecia erythrine fumarate
[0051] Stir 3.54 g of the compound alopecia 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. Standing for several hours in a temperature environment of 0-5°C, the crystals of alopecia redine fumarate are precipitated, the crystals of alopecia fumarate are filtered out, washed with ethanol and dried under vacuum at 50°C to obtain 4.68 g of product.
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