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CAS No. : | 957204-30-7 | MDL No. : | MFCD11045243 |
Formula : | C13H17NO3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | SXNCTPYZLPTVSQ-UHFFFAOYSA-N |
M.W : | 235.28 | Pubchem ID : | 53415345 |
Synonyms : |
|
Chemical Name : | tert-Butyl 6-hydroxyindoline-1-carboxylate |
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 |
---|---|---|
With potassium carbonate; In N,N-dimethyl-formamide; at 70.0℃; for 12.0h; | <strong>[957204-30-7]1-(tert-Butoxycarbonyl)-6-hydroxyindoline</strong> (400 mg), 2-bromo-4'-phenylacetophenone (515 mg), potassium carbonate (470 mg), and DMF (10 mL) were mixed, and the mixture was stirred at 70C for 12 hours. The reaction mixture was diluted with ethyl acetate (200 mL), and the organic layer was washed with saturated brine. The washed layer was dried over sodium sulfate anhydrate, and solvent was removed by evaporation. The residue was purified by silica gel flash column chromatography (Yamazen Hi-Flash L), to thereby yield the title compound (487 mg). NMR (CDCl3) delta: 1.54(9H,s),3.01(2H,t,J=8.7Hz),3.98(2H,t,J=8.7Hz),5.27(2H,s),6 .56(2H,br s),7.02(1H,d,J=8.3Hz), 7.38-7.43(1H,m), 7.45-7.51(2H,m),7.61-7.65(2H,m), 7.71(2H,d,J=8.5Hz), 8.08(2H,d,J=8.3Hz). MS (ESI) m/z :430 (M+H)+. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With hydrogen;5%-palladium/activated carbon; In ethanol; for 24.0h; | 6-Benzyloxy-1-(tert-butoxycarbonyl)-1H-indole (1.43 g) was dissolved in ethanol (20 mL), and 5% Pd/C was added to the solution. The reaction mixture was subjected to catalytic hydrogenation with stirring for 1 day. The catalyst was removed by filtration, and the filtrate was concentrated. The residue was purified by silica gel flash column chromatography (Yamazen Hi-Flash L), to thereby yield the title compound (1.15 g). NMR (CDCl3) delta: 1.55(9H,s), 2.98(2H,t,J=8.8Hz), 3.97(2H,t,J=8.3Hz),5.20-5.71(1H,m), 6.43(1H,dd,J=8.1,2.2Hz), 6.96(1H,d,J=8.5Hz), 7.55-7.34(1H,m). MS (ESI) m/z : 236 (M+H)+. |
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