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CAS No. : | 36282-26-5 | MDL No. : | MFCD00672924 |
Formula : | C7H3BrFN | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | MNNDREXLRLDWEY-UHFFFAOYSA-N |
M.W : | 200.01 | Pubchem ID : | 118939 |
Synonyms : |
|
Signal Word: | Danger | Class: | 6.1 |
Precautionary Statements: | P501-P261-P270-P271-P264-P280-P337+P313-P305+P351+P338-P361+P364-P332+P313-P301+P310+P330-P302+P352+P312-P304+P340+P311-P403+P233-P405 | UN#: | 3439 |
Hazard Statements: | H301+H311+H331-H315-H319 | Packing Group: | Ⅲ |
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 |
---|---|---|
49% | To a 40 mL reaction vial with a stir bar are added 2-bromo-4-fluorobenzonitrile (6.00 g, 30.0 mmol) and 3,4,5-trimethoxybenzylamine (5.4 mL, 32 mmol). The reaction is sealed and stirred at 140 C. for 1 hour. The reaction is cooled to room temperature, and CH2Cl2 (15 mL) and trifluoroacetic acid (15 mL) are added. The vial is sealed and the mixture is allowed to stir at room temperature for 24 hours. The reaction is concentrated, diluted with EtOAc (100 mL), washed with saturated aqueous NaHCO3 (2*100 mL), and dried over Na2SO4. The compound is purified by gradient flash chromatography, eluding with 0% to 40% EtOAc in hexanes to yield 4-amino-2-bromobenzonitrile as a tan solid (2.88 g, 49% yield) (LC/MS m/z=197 [M+H]+). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
84% | With sodium hydride; In N,N-dimethyl-formamide; at 55℃; for 1h; | The title compound of Example 1 (9.8 g, 55.3 itimol) and 2- bromo-4-fluorobenzonitrile (13.27 g, 66.4 mmol) were dissolved in anhydrous dimethylformamide (DMF, 300 mL) . To this was added sodium hydride (95%, 2.79 g, 111 mmol) and the reaction was stirred at 55 0C for 1 hour. The reaction mixture was cooled to room temperature and water was added. A tan solid precipitated which was filtered, washed with water and ether and then dried in vacuo (16.5 g, 84%). LCMS m/z: (M+H) = 358.1 |
84% | With sodium hydride; In N,N-dimethyl-formamide; at 55℃; for 1h; | Example 2; 2-Bromo-4-(3,6,6-trimethyl-4-oxo-4,5,6,7-tetrahydro-indol-1-yl)-benzonitrile; The title compound of Example 1 (9.8 g, 55.3 mmol) and 2-bromo-4-fluorobenzonitrile (13.27 g, 66.4 mmol) were dissolved in anhydrous dimethylformamide (DMF, 300 mL). To this was added sodium hydride (NaH, 95%, 2.79 g, 111 mmol) and the reaction was stirred at 55 C. for 1 hour. The reaction mixture was cooled to room temperature and water was added. A tan solid precipitated which was filtered, washed with water and ether and then dried in vacuo (16.5 g, 84%). MS m/z: (M+H)=358.1. |
With sodium hydride; In N,N-dimethyl-formamide; at 55℃; for 1h; | 10235] Thetitle compound of Example 1 (9.8g, 55.3 mmol) and 2-bromo-4-fluorobenzonitrile (13.27 g, 66.4 mmol) are dissolved in anhydrous dimethylformamide (DMF, 300 mL). To this is added sodium hydride (95%, 2.79 g, 111 mmol) and the reaction is stirred at 550 C. for 1 hour. The reaction mixture is cooled to room temperature and water is added. A tan solid precipitated which is filtered, washed with water and ether and then dried in vacuo. |
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