Adding a certain compound to certain chemical reactions, such as: 100442-33-9, 1-(3,3-Diphenyl-N-methylpropylamino)-2-methyl-2-propanol, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound, Formula: C20H27NO, blongs to alcohols-buliding-blocks compound. Formula: C20H27NO
Example 2: Preparation of crude l,4-dihvdro-2,6-dimethyl-4-(3- nitrophenyl)-3 ,5 -pyridinedicarboxylic acid [2-|Y3,3- diphenylpropyl)methylamino]-l,l-dimethylethyl1 methyl ester hydrochloride (crude lercanidipine hydrochloride)2.31 mL of triethylamine and 3.1 g of diethylchlorothiophosphate were added to 5.0 g of 2,6-dimethyl-5-methoxycarbonyl-4-(3-nitrophenyl)-l,4- dihydropyridine-3-carboxylic acid (2) in 50 mL of toluene. The mixture was stirred at room temperature for one hour. After formation of a substituted phosphonoester derivative (5) as an intermediate was confirmed by thin layer chromatography (TLC), 4.49 g of 2, N-dimethyl-N-(3,3-diphenylpropyl)-l-amino- 2-propanol (3) was added thereto. The resulting mixture was refluxed for 4 hours. The reaction mixture was treated with activated carbon and was then concentrated under reduced pressure to remove toluene therefrom. The residue was dissolved in 30 mL of ethyl acetate. The organic phase was washed sequentially with 11 mL of a 10% NaOH aqueous solution, 11 mL of distilled water, 13.1 mL of 6N HCl and 11 mL of distilled water. An organic layer was separated, dried with activated carbon and anhydrous sodium sulfate for 30 min and concentrated under reduced pressure. The residue was dissolved in 15.7 mL of tetrahydrofuran and was then seeded with 50 mL of lercanidipine hydrochloride. The lercanidipine hydrochloride (dispersion) was stirred at 20 to 25 C for 24 hours, filtered and dried under vacuum to obtain 8.1 g of crude
The synthetic route of 100442-33-9 has been constantly updated, and we look forward to future research findings.
Reference:
Patent; DONGWOO SYNTECH CO., LTD; WO2008/82041; (2008); A1;,
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