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CAS No. : | 147497-32-3 | MDL No. : | MFCD04114858 |
Formula : | C9H8BrNO | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | FQPKKECSRKYXIZ-UHFFFAOYSA-N |
M.W : | 226.07 | Pubchem ID : | 21865450 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H315-H319-H335 | 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 |
---|---|---|
95.2% | With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; sodium carbonate In 1,4-dioxane; water at 105℃; for 16 h; Inert atmosphere | To a mixture of 6-bromo-3,4-dihydro-2H-isoquinolin-1-one (19.0 g, 82.4 mmol),CH3B(OH)2 (20.8 g, 329 mmol) and Na2CO3 (18.4 g, 165 mmol) in 1,4-dioxane (200 mL)and water (10.0 mL) is added [1,1’-bis(diphenylphosphino)ferrocene]dichloropalladium (II) (2.46 g, 3.29 mmol) under a nitrogen atmosphere and the mixture is stirred at 105 °C for 16 hours under a nitrogen atmosphere. The suspension is filtered through a pad of diatomaceous earth and the filter cake is washed with DCM (3 x250 mL). The combined filtrates are washed with water (100 mL) and brine (80 mL), dried over Na2SO4, and the solvent isevaporated under reduced pressure. The crude product is purified by silica gel flash chromatography, eluting with a gradient of 0percent to 50percent EtOAc in PE to give the title compound (13.0 g, 95.2percent) as a yellow solid. ES/MS (m/z): 162.0 (M+H), ‘H NIVIR (400MHz, CDC13) 7.94 (d, J=8.0 Hz, 1H), 7.15 (d, J=7.8 Hz, 1H), 7.02 (s, 1H), 6.89 (br s, 1H),3.55 (dt, J=2.9, 6.6 Hz, 2H), 2.94 (t, J=6.5 Hz, 2H), 2.37 (s, 3H). |
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