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CAS No. : | 128733-85-7 | MDL No. : | MFCD06201034 |
Formula : | C11H17BO3 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | LXFOJKCQSAYVMF-UHFFFAOYSA-N |
M.W : | 208.06 | Pubchem ID : | 14740579 |
Synonyms : |
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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 |
---|---|---|
With potassium carbonate;dichloro[1,1'-bis(di-t-butylphosphino)ferrocene]palladium(II); In tetrahydrofuran; water; at 80℃; for 1.5h; | (4S,65)-6-[3,5-bis(txifluorornethyl)phenyl]-3-[2-iodo-5-(trifluoromethyl)benzyl]-4-methyl-l,3-oxazinan- 2-one (Intermediate 23; 25 mg; 0.041 mmol), (5-rer.-butyl-2-methoxyphenyl)boronic acid (11.1 mg; 0.053 nxmol), l-l '-bis(di /erf-butylphosphino)ferrocene palladium dichloride (2.7 mg; 0.0041 mrnol), 1 N K2CO3 (1.2 mL) and THF (1.2 mL) were combined in a sealed tube and heated at 80C for 1.5 h. The reaction was diluted with H2O (10 mL) and extracted with EtOAc (3 x 10 mL). The combined extracts were washed with brine (10 mL), dried (Na2SO4), filtered and concentrated in vacuo. The residue was purified by flash silica gel chromatography (0-30% EtOAc/hexanes gradient) to afford (45,6-S)-6-[3,5- bis(trifluoromethyl)phenyl]-3-[5'-te/-/-butyl-2'-methoxy-4-(trifluoromethyl)biphenyl-2-yl]methyl}-4- methyl-l,3-oxazinan-2-one as a white solid. LCMS = 648.0 (M+l)+. lH NMR (CDCl3, 500 MHz, mixture of atropisomers): 5 7.86-7.83 (m, 2 H), 7.78 (s, 1 H), 7.68 (s, 1 H), 7.63-7.59 (m, 1 H), 7.44-7.36 (m, 2 H), 7.18 (dd, J = 6.7, 2.4 Hz, 1 H), 6.94 (d, J= 8.7 Hz5 1 H), 5.20 (d, J= 16 Hz, 1 H), 5.16 (d, J = 11.2 Hz, 1 H), 4.38 (d, J= 15.8 Hz, 1 H), 3.80 (s, 3 H), 3.41-3.34 (m, 1 H), 2.29-2.24 (m, 1 H), 1.88-1.81 (m, 1 H), 1.32 (s, 9 H), 1.02 (d, J= 6.2 Hz, 3 H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
To a solution of 4-tert-butyl-2-iodo-l-methoxybenzene (0.164 g, 0.56 mmol) in dry THF (5 mL) at -78 0C, M-butyl lithium (0.27 mL, 0.68 mmol, 2.5 M) was added. The solution was stirred at -78 0C for 30 min. Trimethyl borate (0.19 mL, 1.70 mmol) was added. The solution was stirred at -780C for 3 h. The reaction was quenched with saturated aqueous NH4Cl. The aqueous layer was extracted with EtOAc (3 x 15 mL). The combined EtOAc layers were dried over Na2SO4. The residue was used without further purification after evaporation of the solvent. |
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