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CAS No. : | 2077-19-2 | MDL No. : | MFCD11870096 |
Formula : | C9H11BrO | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | AOGYBHJTXLXRSM-UHFFFAOYSA-N |
M.W : | 215.09 | Pubchem ID : | 12681920 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | N/A |
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 |
---|---|---|
13% | Stage #1: With n-butyllithium In tetrahydrofuran; hexanes at -78℃; for 3.5 h; Stage #2: at 20℃; for 72 h; |
PREPARATION 33; 2-(4-phenylboronic acid)propan-2-ol. n-BuLi (2.5 M in hexanes, 1.00 mL, 2.5 mmol) was added to a -78°C solution of PP51 (0.50 g, 2.33 mmol) in THF (20 mL). After 1.5 hrs, an additional 0.95 mL n-BuLi (2.38 mmol) was added and the mixture was stirred for 2 additional hrs. Triisopropyl borate (1.08 mL, 4.66 mmol) was added and the reaction was warmed to rt and stirred for 3 days. 1 N HCI was added and the mixture was extracted 3x with EtOAc. The extracts were washed with brine, dried (MgSO4) and concentrated to give 0.29 g of crude product. Chromatography, first flushing with 50percent EtOAc/ hexanes and then eluting with 10percent MeOH/EtOAc, gave partially EPO <DP n="77"/>pure material which was then triturated with ether to yield 51 mg (13percent) of PP33 as a white solid: NMR (MeOH-d4) 7.67 (d, J = 8.3 Hz, 1 H), 7.54 (d, J = 7.88 Hz, 1 H), 7.45-7.40 (m, 2H), 1.97 (s, 6H). |
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