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CAS No. : | 819058-34-9 | MDL No. : | MFCD09033884 |
Formula : | C12H17BFNO2 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | AIXGNRNTXUKZLC-UHFFFAOYSA-N |
M.W : | 237.08 | Pubchem ID : | 17906172 |
Synonyms : |
|
Signal Word: | Warning | Class: | |
Precautionary Statements: | P280-P305+P351+P338 | UN#: | |
Hazard Statements: | H302 | Packing Group: | |
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 |
---|---|---|
72% | With tetrakis(triphenylphosphine) palladium(0); cesium fluoride; In methanol; 1,2-dimethoxyethane; at 150℃; for 0.166667h;Microwave irradiation; | 4- ( 1 , 2-Dimethyl-lff-imidazol-5- yl ) -2-fluoroaniline was prepared: Tetrakis (triphenylphosphine ) palladium (48.7 mg, 0.042 mmol) was added to a solution of 2-fluoro-4- ( 4 , 4 , 5 , 5-tetramethyl-l , 3 , 2- dioxaborolan-2-yl ) aniline (100 mg, 0.422 mmol), 5-bromo-l , 2- dimethyl-lif-imidazole (81 mg, 0.464 mmol) and cesium fluoride (192 mg, 1.265 mmol) in DME/ eOH 2/1 (2.6 mL) . The reaction mixture was heated for 10 min at 150 C under microwave irradiation. It was then diluted with EtOAc and quenched with water. The layers were separated and the aqueous layer was extracted with EtOAc. The combined organic layers were dried (Na2SC>4) , filtered and concentrated under reduced pressure. The crude mixture was filtered on SCX-2 column and was then purified by Biotage column chromatography (1 to 2% MeOH/aq. N (10/1) in EtOAc; 12 g column) to afford the title product as a white solid (62 mg, 72%) . XH NMR (500 MHz, CDC13) 2.42 (s, 3H) , 3.48 (s, 3H) , 3.88 (br s, 2H) , 6.81 (dd, J = 9.2, 8.1 Hz, 1H) , 6.86 (s, 1H) , 6.92 (ddd, J = 8.1, 1.9, 0.8 Hz, 1H) , 6.98 (dd, J = 11.8, 1.9 Hz, 1H) ; LC (Method B)-MS (ESI, m/z) tR 0.57 min, 206 [ (M+H+) , 100%] . |
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