New crystalline form iii of agomelatine, a process for its preparation and pharmaceutical compositions containing it
A technology of composition and crystal form, applied in the field of new crystal form III of N-[2-ethyl]acetamide, capable of solving problems without specific instructions
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Embodiment 1
[0017] Example 1: Form III of N-[2-(7-methoxy-1-naphthyl)ethyl]acetamide
[0018] 2θ angle (°)
Embodiment 2
[0019] Embodiment 2: pharmaceutical composition
[0020] Prepare a prescription for 1000 tablets, each containing a 25mg dose:
[0021] The compound of Example 1……………………………… 25g
[0022] Lactose monohydrate…………………………………………… 62g
[0023] Magnesium stearate…………………………………………… 1.3g
[0024] Corn starch…………………………………………………………… 26g
[0025] Maltodextrin mixture……………………………………9g
[0026] Anhydrous colloidal silicon dioxide……………………………………… 0.3g
[0027] Sodium Starch Glycolate Type A………………………………… 4g
[0028] Stearic acid……………………………………………………… 2.6g
Embodiment 3
[0029] Embodiment 3: pharmaceutical composition
[0030] Prepare a prescription for 1000 tablets, each containing a 25mg dose:
[0031] The compound of Example 1……………………………… 25g
[0032] Lactose monohydrate…………………………………………… 62g
[0033] Magnesium stearate…………………………………………… 1.3g
[0034] Povidone……………………………………………………9g
[0035] Anhydrous colloidal silicon dioxide……………………………………… 0.3g
[0036] Sodium carboxymethylcellulose………………………………………………………………………………………………………30g
[0037] Stearic acid……………………………………………………… 2.6g
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