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CAS No. : | 913835-93-5 | MDL No. : | MFCD08689529 |
Formula : | C9H10BClO4 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | MWOJXHPAEOGJPL-UHFFFAOYSA-N |
M.W : | 228.44 g/mol | Pubchem ID : | 44119358 |
Synonyms : |
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Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P264-P271-P280-P302+P352-P304+P340+P312-P305+P351+P338-P332+P313-P337+P313-P362-P403+P233-P405-P501 | UN#: | |
Hazard Statements: | H315-H319-H335 | Packing Group: | |
GHS Pictogram: |
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* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
23% | With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; caesium carbonate In 1,4-dioxane; water at 90℃; for 16h; Inert atmosphere; | 4.4-1 Example 4-1 : Synthesis of ethyl 3-(4-amino-1 -methyl-1 H-pyrazol-3-yl)-4- chlorobenzoate The mixture of 2-chloro-5-(ethoxycarbonyl)phenyl]boronic acid (1.20 g; 5.20 mmol), 3-bromo-1 -methyl-1 H-pyrazol-4-amine (915 mg; 5.20 mmol), CS2CO3(3.4 g; 10.40 mmol) and Pd(dppf)Cl2 (380 mg; 0.52 mmol) in dioxane (20 ml) and water (2 ml) was stirred under N2 atmosphere at 90°C for 16h. The mixture was filtered and concentrated to get crude product as a black oil. The crude was purified by C18 (ACN/H20 = 20% - 95%) to get the product. (355 mg; 23 %; light brown oil).1H NMR (400 MHz, DMSO) δ 7.97 (d, J = 2.2 Hz, 1 H), 7.92 C 7.87 (m, 1 H),7.67 (d, J = 8.4 Hz, 1 H), 7.17 (s, 1 H), 4.32 (d, J = 7.1 Hz, 2H), 3.76 (s, 3H), 1.32 (t, J = 7.1 Hz, 3H). |
23% | With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; caesium carbonate In 1,4-dioxane; water at 90℃; for 16h; Inert atmosphere; | 4.4-1 Example 4-1 : Synthesis of ethyl 3-(4-amino-1 -methyl-1 H-pyrazol-3-yl)-4- chlorobenzoate The mixture of 2-chloro-5-(ethoxycarbonyl)phenyl]boronic acid (1.20 g; 5.20 mmol), 3-bromo-1 -methyl-1 H-pyrazol-4-amine (915 mg; 5.20 mmol), CS2CO3(3.4 g; 10.40 mmol) and Pd(dppf)Cl2 (380 mg; 0.52 mmol) in dioxane (20 ml) and water (2 ml) was stirred under N2 atmosphere at 90°C for 16h. The mixture was filtered and concentrated to get crude product as a black oil. The crude was purified by C18 (ACN/H20 = 20% - 95%) to get the product. (355 mg; 23 %; light brown oil).1H NMR (400 MHz, DMSO) δ 7.97 (d, J = 2.2 Hz, 1 H), 7.92 C 7.87 (m, 1 H),7.67 (d, J = 8.4 Hz, 1 H), 7.17 (s, 1 H), 4.32 (d, J = 7.1 Hz, 2H), 3.76 (s, 3H), 1.32 (t, J = 7.1 Hz, 3H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
84% | With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium carbonate In 1,4-dioxane; water at 60℃; for 6h; Inert atmosphere; | 3-1 Example 3-1 : Synthesis of ethyl 4-chloro-3-(3-chloropyridin-4-yl)benzoate To a solution of [2-chloro-5-(ethoxycarbonyl)phenyl]boronicacid (500 mg; 2.19 mmol) in dioxane (5 ml) and water (0.5 ml) was added 3-chloro-4-iodopyridine (576 mg; 2.41 mmol), Pd(dppf)CI2 (0.22 mmol) and K2CO3 (605 mg; 4.38 mmol) and N2 was bubbled through the reaction. Then, the reaction mixture was stirred under N2 atmosphere at 60 °C for 6 hrs. The mixture was poured into water (10 ml), and then extracted with EA (8 ml*3). The combined organic phase was collected and evaporated under vacuum. The residue was purified by C18 column chromatography (ACN/H2O = 5% - 95%) and the purified product could be obtained. (570 mg; 1.83 mmol; 84 %; white solid). 1H NMR (400 MHz, CDCI3) δ 8.07 (dd, J = 8.4, 2.1 Hz, 1H), 7.93 (d, J = 2.0 Hz, 1 H), 7.59 (d, J = 8.4 Hz, 1 H), 7.24 (d, J = 4.9 Hz, 1 H), 4.39 (q, J = 7.1 Hz, 2H), 1.40 (t, J = 7.1 Hz, 3H). |
84% | With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium carbonate In 1,4-dioxane; water at 60℃; for 6h; Inert atmosphere; | 3-1 Example 3-1 : Synthesis of ethyl 4-chloro-3-(3-chloropyridin-4-yl)benzoate To a solution of [2-chloro-5-(ethoxycarbonyl)phenyl]boronicacid (500 mg; 2.19 mmol) in dioxane (5 ml) and water (0.5 ml) was added 3-chloro-4-iodopyridine (576 mg; 2.41 mmol), Pd(dppf)CI2 (0.22 mmol) and K2CO3 (605 mg; 4.38 mmol) and N2 was bubbled through the reaction. Then, the reaction mixture was stirred under N2 atmosphere at 60 °C for 6 hrs. The mixture was poured into water (10 ml), and then extracted with EA (8 ml*3). The combined organic phase was collected and evaporated under vacuum. The residue was purified by C18 column chromatography (ACN/H2O = 5% - 95%) and the purified product could be obtained. (570 mg; 1.83 mmol; 84 %; white solid). 1H NMR (400 MHz, CDCI3) δ 8.07 (dd, J = 8.4, 2.1 Hz, 1H), 7.93 (d, J = 2.0 Hz, 1 H), 7.59 (d, J = 8.4 Hz, 1 H), 7.24 (d, J = 4.9 Hz, 1 H), 4.39 (q, J = 7.1 Hz, 2H), 1.40 (t, J = 7.1 Hz, 3H). |
A1617774[ 1523239-42-0 ]
Ethyl 4-chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate
Reason: Different form