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CAS No. : | 117482-84-5 | MDL No. : | MFCD00015431 |
Formula : | C7H3ClFN | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | VAHXXQJJZKBZDX-UHFFFAOYSA-N |
M.W : | 155.56 | Pubchem ID : | 145525 |
Synonyms : |
|
Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P280-P305+P351+P338 | UN#: | |
Hazard Statements: | H302+H312+H332-H315-H319-H335 | 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 |
---|---|---|
33% | With potassium carbonate; In dimethyl sulfoxide; at 90℃; for 7h; | To a solution of <strong>[1196473-37-6]3H-benzo[c][1,2]oxaborole-1,6-diol</strong> (8) (300?mg, 2.00?mmol) in DMSO (30?mL) were added K2CO3 (828?mg, 6.00?mmol) and 3-chloro-4-fluoro-benzonitrile (7b) (933?mg, 6.00?mmol). The reaction was heated at 90?°C for 7?h. After cooling the reaction mixture to room temperature, EtOAc (50?mL) was added. The organic layer was washed with water (5?×?50?mL). The organic layer was evaporated under vacuum. The residue was purified by reverse phase chromatography to afford 3-chloro-4-(1-hydroxy-1,3-dihydro-benzo[c][1,2]oxaborol-6-yloxy)-benzonitrile (9b) (190?mg, 33percent). 1H NMR (400?MHz, DMSO-d6) delta ppm 9.24 (s, 1H), 8.22 (s, 1H), 7.77 (d, J?=?7.8?Hz, 1H), 7.50 (d, J?=?8.2?Hz, 1H), 7.34 (s, 1H), 7.28 (d, J?=?8.2?Hz, 1H), 7.01 (d, J?=?8.6?Hz, 1H), 4.99 (s, 2H); ESIMS (m/z): 284 (M?H)?; HPLC: 96.4percent (220?nm), 96.0percent (maxplot). |
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