Oral solid tablet containing montelukast sodium and preparation method of oral solid tablet
A montelukast sodium, solid technology, applied in the field of medicine, can solve the problems of poor treatment effect and poor compliance, and achieve the effects of good dissolution effect, fast absorption and good stability
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Embodiment l
[0033] (1) The ambroxol hydrochloride solid was ultrasonically pulverized with an ultrasonic power of 35W for 5 minutes to obtain a powder;
[0034] Under the sound field that the frequency is 15KHz and the output power is 60W, add the mixed solvent of methyl alcohol, 2-methyltetrahydrofuran and acetonitrile while stirring in the ambroxol hydrochloride powder, the amount of methyl alcohol, 2-methyltetrahydrofuran and acetonitrile in the mixed solvent Volume ratio is 8:4:2, and the volume of mixed solvent is 5 times of ambroxol hydrochloride weight;
[0035] (2) Control the temperature at 40°C, under a sound field with a frequency of 15KHz and an output power of 40W, add a mixed solvent of ethanol and ethyl acetate to the solution obtained in step (1) while stirring. The volume of the mixed solvent is 10 times of ambroxol hydrochloride weight, the volume ratio of ethanol and ethyl acetate in the mixed solvent is 5:3;
[0036] (3) Cool down to -10°C at a rate of 4.5°C / min, stan...
Embodiment 2
[0039] (1) The ambroxol hydrochloride solid was ultrasonically pulverized with an ultrasonic power of 35W for 5 minutes to obtain a powder;
[0040] Under the sound field that the frequency is 15KHz and the output power is 60W, add the mixed solvent of methyl alcohol, 2-methyltetrahydrofuran and acetonitrile while stirring in the ambroxol hydrochloride powder, the amount of methyl alcohol, 2-methyltetrahydrofuran and acetonitrile in the mixed solvent Volume ratio is 8:5:3, and the volume of mixed solvent is 5 times of ambroxol hydrochloride weight;
[0041] (2) Control the temperature at 40°C, under a sound field with a frequency of 15KHz and an output power of 40W, add a mixed solvent of ethanol and ethyl acetate to the solution obtained in step (1) while stirring. The volume of the mixed solvent is 10 times of ambroxol hydrochloride weight, the volume ratio of ethanol and ethyl acetate in the mixed solvent is 2:1;
[0042] (3) Cool down to 0°C at a rate of 2.5°C / min, stand ...
Embodiment 3
[0045] (1) The ambroxol hydrochloride solid was ultrasonically pulverized with an ultrasonic power of 35W for 5 minutes to obtain a powder;
[0046] Under the sound field that the frequency is 15KHz and the output power is 45W, add the mixed solvent of methyl alcohol, 2-methyltetrahydrofuran and acetonitrile while stirring in the ambroxol hydrochloride powder, the amount of methyl alcohol, 2-methyltetrahydrofuran and acetonitrile in the mixed solvent Volume ratio is 8:5:3, and the volume of mixed solvent is 5 times of ambroxol hydrochloride weight;
[0047] (2) Control the temperature at 40°C, under a sound field with a frequency of 15KHz and an output power of 20W, add a mixed solvent of ethanol and ethyl acetate to the solution obtained in step (1) while stirring. The volume of the mixed solvent is 10 times of ambroxol hydrochloride weight, the volume ratio of ethanol and ethyl acetate in the mixed solvent is 2:1;
[0048](3) Cool down to 0°C at a rate of 2.5°C / min, stand f...
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