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CAS No. : | 131001-86-0 | MDL No. : | MFCD00144762 |
Formula : | C9H9BrO2 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | QAOFGUXVDAZKBW-UHFFFAOYSA-N |
M.W : | 229.07 | Pubchem ID : | 10823279 |
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 |
---|---|---|
43% | With tetrakis(triphenylphosphine) palladium(0); In N,N-dimethyl-formamide; at 80℃;Inert atmosphere; | Intermediate 8: 2-(Bromomethyl)-6-methyl-benzonitrile Step 1 : Methyl 2-cyano-3-methylbenzoate A solution of methyl 2-bromo-3-methyl-benzoate (5 g, 21.8 mmol), Zn(CN)2 (10.26 g, 87.3 mmol) and Pd(PPh3)4 (1.51 g, 1.3 mmol) in DMF (60 mL) was stirred at 80 C under N2 overnight. The solvent was removed in vacuo. The residue was dissolved in DCM (100 mL) and washed with H20 (50 mL). The organic layer was dried over Na2S04, filtered and concentrated to give the crude product, which was purified by column (eluting with 10% EtOAc in PE) to give methyl 2-cyano-3-methyl-benzoate (1.6 g, yield 43%) as a white solid: 1H NMR (400 MHz, CD3OD) delta 7.97-7.95 (m, 1H), 7.68-7.62 (m, 2H), 3.96 (s, 3H), 2.60 (s, 3H); ES-LCMS m/z: 176.1 (M+H). |
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