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CAS No. : | 99365-40-9 | MDL No. : | MFCD02179605 |
Formula : | C8H6BrNO | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | JARRYVQFBQVOBE-UHFFFAOYSA-N |
M.W : | 212.04 | Pubchem ID : | 2773289 |
Synonyms : |
|
Chemical Name : | 6-Bromoindolin-2-one |
Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P280-P305+P351+P338 | UN#: | |
Hazard Statements: | H302-H315-H319-H332-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 |
---|---|---|
31% | n-BuLi (2M in hexane, 22.6 mL, 45.27 mmol) was added drop wise at -40C to a solution of 6-bromo-indolin-2-one (3 g, 14.14 mmol) and diisopropylamine (6.3 mL, 45.27 mmol) in THF (60 mL). The mixture was stirred for 45 min at -40C, 1-bromo-2-(2-bromoethoxy)ethane was added drop wise at this temperature and stirring was continued at RT for 16 h. The reaction mixture was quenched with 4N hydrogen chloride solution (40 mL) and the aqueous phase was separated and extracted with EtOAc (3x 60 mL). The combined organic layers were washed with brine (50 mL), dried over Na2S04 and concentrated. The raw product was triturated with hexane (20 mL) and filtered. The filter was washed with hexane/EtOAc = 4:1 (100 mL) affording the target compound as light brown solid. Yield: 1.2 g (31 %). HPLC (method 1 ): Rt = 2.94 min, m/z [M+H]+ = 282.1 (MW calc. 282.13). |
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