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CAS No. : | 85118-00-9 | MDL No. : | MFCD00000329 |
Formula : | C7H5BrF2 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | LSXJPJGBWSZHTM-UHFFFAOYSA-N |
M.W : | 207.02 | Pubchem ID : | 581435 |
Synonyms : |
|
Signal Word: | Danger | Class: | 8 |
Precautionary Statements: | P280-P305+P351+P338-P310 | UN#: | 3261 |
Hazard Statements: | H314 | Packing Group: | Ⅱ |
GHS Pictogram: |
* 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 |
---|---|---|
Example 8A 5-Chloro-3-[(2,6-difluorobenzyl)oxy]-2-nitropyridine 33 g of <strong>[936247-35-7]5-chloro-2-nitropyridin-3-ol</strong> (Example 7A; 189 mmol, 1 equivalent) and 61.6 g of caesium carbonate (189 mmol, 1 equivalent) were initially charged in 528 ml of DMF, 40.4 g of 2,6-difluorobenzyl bromide (189 mmol, 1 equivalent) were added and the mixture was stirred at RT overnight. The reaction mixture was stirred into water/1N aqueous hydrochloric acid. The solid was filtered off, washed with water and air-dried. This gave 54.9 g (97% of theory) of the title compound. 1H-NMR (400 MHz, DMSO-d6): delta=5.46 (s, 2H); 7.22 (t, 2H); 7.58 (q, 1H); 8.28 (d, 1H); 8.47 (d, 1H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
97% | With caesium carbonate; In N,N-dimethyl-formamide; at 20℃; | Example 16A 5-Chloro-3-[(2,6-difluorobenzyl)oxy]-2-nitropyridine 33 g of <strong>[936247-35-7]5-chloro-2-nitropyridin-3-ol</strong> (Example 15A; 189 mmol, 1 equivalent) and 61.6 g of caesium carbonate (189 mmol, 1 equivalent) were initially charged in 528 ml of DMF, 40.4 g of 2,6-difluorobenzyl bromide (189 mmol, 1 equivalent) were added and the mixture was stirred at RT overnight. The reaction mixture was stirred into water/1N aqueous hydrochloric acid and the solid was filtered off, washed with water and air-dried. This gave 54.9 g (97% of theory) of the title compound. 1H NMR (400 MHz, DMSO-d6): delta=5.46 (s, 2H); 7.22 (t, 2H); 7.58 (quint., 1H); 8.28 (d, 1H); 8.47 (d, 1H). |
97% | With caesium carbonate; In N,N-dimethyl-formamide; at 20℃; | Example 8A 5-Chloro-3-[(2,6-difluorobenzyl)oxy]-2-nitropyridine 33 g of <strong>[936247-35-7]5-chloro-2-nitropyridin-3-ol</strong> (Example 12A; 189 mmol, 1 equivalent) and 61.6 g of caesium carbonate (189 mmol, 1 equivalent) were initially charged in 528 ml of DMF, 40.4 g of 2,6-difluorobenzyl bromide (189 mmol, 1 equivalent) were added and the mixture was stirred at RT overnight. The reaction mixture was stirred into a water/1N aqueous hydrochloric acid mixture. The solid obtained was filtered off, washed with water and air-dried. This gave 54.9 g (97% of theory) of the title compound. 1H NMR (400 MHz, DMSO-d6): delta=5.46 (s, 2H); 7.22 (t, 2H); 7.58 (q, 1H); 8.28 (d, 1H); 8.47 (d, 1H). |
97% | With caesium carbonate; In N,N-dimethyl-formamide; at 20℃; | Example 13A 5-Chloro-3-[(2,6-difluorobenzyl)oxy]-2-nitropyridine 33 g of <strong>[936247-35-7]5-chloro-2-nitropyridin-3-ol</strong> (Example 12A; 189 mmol, 1 equivalent) and 61.6 g of caesium carbonate (189 mmol, 1 equivalent) were initially charged in 528 ml of DMF, 40.4 g of 2,6-difluorobenzyl bromide (189 mmol, 1 equivalent) were added and the mixture was stirred at RT overnight. The reaction mixture was stirred into water/1N aqueous hydrochloric acid. The solid was filtered off, washed with water and air-dried. This gave 54.9 g (97% of theory) of the title compound. 1H NMR (400 MHz, DMSO-d6): delta=5.46 (s, 2H); 7.22 (t, 2H); 7.58 (q, 1H); 8.28 (d, 1H); 8.47 (d, 1H). |
97% | With caesium carbonate; In N,N-dimethyl-formamide; at 20℃; | 33 g of <strong>[936247-35-7]5-chloro-2-nitropyridin-3-ol</strong> (Example 7A; 189 mmol, 1 equivalent) and 61.6 g of caesium carbonate (189 mmol, 1 equivalent) were initially charged in 528 ml of DMF, 40.4 g of 2,6-difluorobenzyl bromide (189 mmol, 1 equivalent) were added and the mixture was stirred at RT overnight. The reaction mixture was stirred into water/1N aqueous hydrochloric acid. The solid was filtered off, washed with water and air-dried. This gave 54.9 g (97% of theory) of the title compound. 1H-NMR (400 MHz, DMSO-d6): delta=5.46 (s, 2H), 7.22 (t, 2H), 7.58 (q, 1H), 8.28 (d, 1H), 8.47 (d, 1H). |
97% | With caesium carbonate; In N,N-dimethyl-formamide; at 20℃; | Example 8A 5-Chloro-3-[(2,6-difluorobenzyl)oxy]-2-nitropyridine 33 g of <strong>[936247-35-7]5-chloro-2-nitropyridin-3-ol</strong> (Example 7A; 189 mmol, 1 equivalent) and 61.6 g of caesium carbonate (189 mmol, 1 equivalent) were initially charged in 528 ml of DMF, 40.4 g of 2,6-difluorobenzyl bromide (189 mmol, 1 equivalent) were added and the mixture was stirred at RT overnight. The reaction mixture was stirred into water/1 N aqueous hydrochloric acid. The solid was filtered off, washed with water and air-dried. This gave 54.9 g (97% of theory) of the title compound. 1H-NMR (400 MHz, DMSO-d6): delta=5.46 (s, 2H); 7.22 (t, 2H); 7.58 (q, 1H); 8.28 (d, 1H); 8.47 (d, 1H). |
97% | With caesium carbonate; In N,N-dimethyl-formamide; at 20℃; | 33 g of <strong>[936247-35-7]5-chloro-2-nitropyridin-3-ol</strong> (Example 4A;189 mmol, 1 equivalent) and 61.6 g of caesium carbonate(189 mmol, 1 equivalent) were initially charged in 528 ml ofDMF, 40.4 g of 2,6-difluorobenzyl bromide (189 mmol, 1equivalent) were added and the mixture was stirred at RTovernight. The reaction mixture was stirred into water/iNaqueous hydrochloric acid. The solid was filtered off,washed with water and air-dried. This gave 54.9 g (97% oftheory) of the title compound. ?H-NMR (400 MHz, DMSO-d5): oe=5.46 (s, 2H);7.22 (t, 2H); 7.58 (q, 1H); 8.28 (d, 1H); 8.47 (d, 1H). |
97% | With caesium carbonate; In N,N-dimethyl-formamide; at 20℃; | 33 g of <strong>[936247-35-7]5-chloro-2-nitropyridin-3-ol</strong> (Example 1A; 189 mmol, 1 equivalent) and 61.6 g of caesium carbonate (189 mmol, 1 equivalent) were initially charged in 528 ml of DMF, 40.4 g of 2,6-difluorobenzyl bromide (189 mmol, 1 equivalent) were added and the mixture was stirred at RT overnight. The reaction mixture was stirred into water/1N aqueous hydrochloric acid. The solid was filtered off, washed with water and air-dried. This gave 54.9 g (97% of theory) of the title compound. 1H-NMR (400 MHz, DMSO-d6): delta=5.46 (s, 2H); 7.22 (t, 2H); 7.58 (q, 1H); 8.28 (d, 1H); 8.47 (d, 1H). |
97% | With caesium carbonate; In N,N-dimethyl-formamide; at 20℃; | 33 g of <strong>[936247-35-7]5-chloro-2-nitropyridin-3-ol</strong> (Example12A; 189 mmol, 1 equivalent) and 61.6 g of caesium carbonate (189 mmol, 1 equivalent) were initially charged in 528 ml of DMF, 40.4 g of 2,6-difluorobenzyl bromide (189 mmol, 1 equivalent) were added and the mixture was stirred at RT overnight. The reaction mixture was stirred into a mixture of water/iN hydrochloric acid, and the crystals were filtered off with suction, washed with water and air-dried. 54.9 g (97% of theory) of the title compound were obtained. j0377] ?H-NMR (400 MHz, DMSO-d5): oe=5.46 (s, 2H); 7.22 (t, 2H); 7.58 (quint., 1H); 8.28 (d, 1H); 8.47 (d, 1H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
17 mg | Example 10 To a mixture of 1-(bromomethyl)-2,6-difluorobenzene (14 mg), <strong>[4983-28-2]2-chloro-5-hydroxypyrimidine</strong> (9.1 mg), and N,N-dimethylformamide (1 mL), potassium carbonate (16 mg) was added followed by stirring at room temperature overnight. To the reaction mixture, water was added followed by extraction with chloroform. An organic layer obtained was concentrated under reduced pressure. To the resulting residue, a mixture of 3-methoxy-4-[4-(4-methylpiperazin-1-yl)piperidin-1-yl]aniline (30 mg), cesium carbonate (65 mg), palladium acetate-X-Phos (Pd:P=1:2) ChemDose (trademark) tablet, and tert-butyl alcohol (0.5 mL) was added followed by stirring at 120° C. overnight under a nitrogen atmosphere. To the reaction mixture, water was added followed by extraction with chloroform. An organic layer obtained was concentrated under reduced pressure. The resulting residue was purified by HPLC (0.1percent aqueous formic acid solution/methanol) to give 5-[(2,6-difluorobenzyl)oxy]-N-{3-methoxy-4-[4-(4-methylpiperazin-1-yl)piperidin-1-yl]phenyl}pyrimidin-2-amine (17 mg). |
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