Application of 56441-97-5

Adding a certain compound to certain chemical reactions, such as: 56441-97-5, name is Methyl 4-(benzyloxy)-3-methoxybenzoate, belongs to esters-buliding-blocks compound, 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 56441-97-5, Quality Control of Methyl 4-(benzyloxy)-3-methoxybenzoate

Adding a certain compound to certain chemical reactions, such as: 56441-97-5, name is Methyl 4-(benzyloxy)-3-methoxybenzoate, belongs to esters-buliding-blocks compound, 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 56441-97-5, Quality Control of Methyl 4-(benzyloxy)-3-methoxybenzoate

A 250 mL, round-bottomed flask with a stirring bar, a solution of 4-hydroxy-3-methoxybenzoic acid (20 g, 118.94 mmol) was added slowly to a solution of methanol (100 mL) and concentrated sulfuric acid (10 mL). After being stirred for 12 h at reflux, saturated solution of sodium bicarbonate was added to adjust the pH to 7. Dichloromethane was added and the mixture was then filtered and the organic phase evaporated on a rotary evaporator and to obtain the compound 2 (20.37 g, 94 %). Compound 2 (20.4 g, 111.98 mmol) was added into a 500 mL, round-bottomed flask with a stirring bar, then benzyl bromide (18 mL), potassium carbonate (22 g, 156.8 mmol), DMF (200 mL) were added. It was stirred for 6 h at 80 C. Then the reaction system was poured into right amount of water, white solid (3) was obtained by filtration (28.97 g, 95 %). Compound 3 (16.54 g, 60.74 mmol) was dissolved in CH3COOH (50 mL) and then added into a 250 mL, round bottomed flask with a stirring bar. Then HNO3 (25 mL) was added into the system slowly to keep the temperature of the reaction above 5 C. The reaction temperature was raised to 50 C and kept for another 2 h. After that the system was poured into water and pale yellow solid (I) was obtained6-8 (18.3 g, 95%, m.p.: 134-135 C).

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Reference:
Article; Wang, Kai; Zhang, Xiu-Qin; Zhu, Jian; Chen, Qiang; Zhang, Zhong-Qiang; Fan, Li; Asian Journal of Chemistry; vol. 27; 7; (2015); p. 2647 – 2650;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics