Pharmaceutical composition for treating tumor diseases
A composition and drug technology, which can be used in drug combinations, antitumor drugs, pharmaceutical formulations, etc., and can solve problems such as poor selectivity, strong toxic and side effects, and easy generation of drug resistance.
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Embodiment 1
[0047] Embodiment 1, the preparation of compound A mesylate
[0048] In a 5L reaction flask, put 170g (0.428mol) of compound A, 42.5g (0.442mol) of methanesulfonic acid, and 2.55L of 95% isopropanol aqueous solution, stir and heat under nitrogen protection and light-shielding conditions until completely dissolved, to obtain light The yellow transparent solution was filtered while it was hot, cooled and crystallized to room temperature, then filtered, washed with isopropanol, and dried in vacuum to obtain 180.2 g (0.365 mol) of white needle-like crystals, with a yield of 85.4%.
[0049] In a 5L reaction flask, put 180.2g of compound A, 2.52L of 95% isopropanol aqueous solution, stir and heat until completely dissolved under nitrogen protection and dark conditions, filter while hot, and cool the filtrate to room temperature for crystallization, filter, isopropanol Wash and dry in vacuo to obtain 161.5 g of white needle-like crystals, with a yield of 89.6%. Melting range: 193.5~...
Embodiment 2
[0050] Embodiment 2, compound A maleate and erlotinib hydrochloride compound tablet
[0051] Prescription Each tablet contains:
[0052]
[0053] Preparation method: Mix compound A maleate, erlotinib hydrochloride and microcrystalline cellulose, and wet granulate with 2% starch slurry. Dry, add magnesium stearate, mix well and press into tablets.
Embodiment 3
[0054] Embodiment 3, Compound A mesylate and erlotinib hydrochloride compound tablet
[0055] Prescription Each tablet contains:
[0056]
[0057] Preparation method: Mix compound A mesylate, erlotinib hydrochloride and microcrystalline cellulose, and wet granulate with 2% starch slurry. Dry, add magnesium stearate, mix well and press into tablets.
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