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CAS No. : | 15115-52-3 | MDL No. : | MFCD00234505 |
Formula : | C9H7BrN2 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | DWPRPWBNLNTEFZ-UHFFFAOYSA-N |
M.W : | 223.07 | Pubchem ID : | 786811 |
Synonyms : |
|
Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | |
Hazard Statements: | 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 |
---|---|---|
50% | With potassium acetate In dimethyl sulfoxide at 20 - 80℃; | To a solution of compound 4-bromo-l -phenyl- lH-pyrazo Ie (0.5 g, 2.3 mmol) in DMSO (50 mL) was added KOAc (0.66 g, 6.8 mmol), bis(pinacolato)diboron (0.63 g, 2.5 mmol) and .yen.dCb(dpp{) (0.076g, 0.11 mmol) at room temperature. The reaction mixture was stirred overnight at 8O0C. The result mixture was diluted with EA, washed with brine, dried over Na2SO4, concentrated, purified by chromatography (EA:PE=1: 12) to give l-phenyl-4-(4,4,5,5-tetramethyl-l,3,2- dioxaborolan-2-yl)-lH- pyrazole (0.3 g, 50percent) as light yellow solid |
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