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CAS No. : | 90924-46-2 | MDL No. : | MFCD08277245 |
Formula : | C10H9NO3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | - |
M.W : | 191.18 | Pubchem ID : | 18671947 |
Synonyms : |
|
TPSA :Topological Polar Surface Area | 55.4 | H-Bond Acceptor Count : | 3 |
XLogP3 : | 0.6 | H-Bond Donor Count : | 1 |
SP3 : | 0.20 | Rotatable Bond Count : | 2 |
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: |
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Yield | Reaction Conditions | Operation in experiment |
---|---|---|
61% | With water; lithium hydroxide In tetrahydrofuran; methanol at 25℃; Inert atmosphere | [225] Into a 50-mL round-bottom flask, was placed methyl 2-oxo-2,3-dihydro-lH-indole-4-carboxylate (150 mg, 0.78 mmol, 1.00 equiv), methanol (2 mL), tetrahydrofuran (8 mL), a solution of LiOH (150.8 mg, 6.30 mmol, 8.00 equiv) in water(5 mL). The resulting solution was stirred overnight at 25 °C. The resulting solvent was concentrated under vacuum. The residue was diluted with water (20 mL) and washed with ethyl acetate (30 mL). HC1 (1 mol/L) was employed to adjust the pH to 6. The resulting solution was extracted with 2x40 mL of ethyl acetate, dried over anhydrous sodium sulfate and concentrated to give 85 mg (61percent) of 2-oxo-2,3-dihydro-lH-indole-4-carboxylic acid as a light brown solid. MS (ES, m/z) [M+H]+: 178. |
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