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CAS No. : | 283173-80-8 | MDL No. : | MFCD23703297 |
Formula : | C11H8BrFN2O | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | DIUAWEVAOAYVBP-UHFFFAOYSA-N |
M.W : | 283.10 | Pubchem ID : | 22266717 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P280 | UN#: | N/A |
Hazard Statements: | H302-H317 | Packing Group: | N/A |
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 |
---|---|---|
6.82 g | With bis(acetato)bis(triphenylphosphine)palladium(0); sodium carbonate In methanol; water at 60℃; for 4 h; Inert atmosphere | 2-Bromo-8-fluoro-4,5-dihydro-lH-azepino[5,4,3-cd]indol-6(3H)-one (10 g; 35.3 mmol), prepared according to process described in Example 3, sodium carbonate (3.74 g; 35.3 mmol), bis(triphenylphosphine)palladium(II) diacetate (0.529 g; 0.71 mmol) and (4-((methylamino)methyl)phenyl)boronic acid solution (75 ml; 45.9 mmol), prepared according to process described in Example 2, are charged into a three-necked round bottom flask, followed by inertisation with nitrogen. A previously degassed mixture of methanol (130 mL) and water (40 mL) is added and the reaction mixture is stirred at 60°C for 4 hours. The reaction mixture is cooled to ambient temperature followed by addition of activated carbon. The mixture is stirred at ambient temperature for one hour, heated to 50 °C, stirred for another hour and then filtered through a layer of celite. The solution of 8-fluoro-2-(4- ((methylamino)methyl)phenyl)-4,5-dihydro-lH-azepino[5,4,3-cd]indol-6(3H)-one is concentrated to about 110 mL, heated to 40°C followed by dropwise addition of water (40 mL). Reaction mixture is cooled to ambient temperature and stirred for 17 hours at ambient temperature and additional one hour at 0-5°C. Solid is filtered off, washed with water and dried in vacuum oven at 50°C for 5 hours. Crude material (9.5 g) is suspended in methanol (95mL) at reflux temperature and stirred for 20 minutes. Suspension is than cooled down and stirred for 17 hours at ambient temperature and 1.5 hour at 0-5°C. Crystals are filtered off, washed with methanol and dried in vacuum oven at 50°C for 4 hours to obtain 6.82 g of Rucaparib base. |
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