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CAS No. : | 86688-96-2 | MDL No. : | MFCD09800534 |
Formula : | C6H7NO2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | - |
M.W : | 125.13 | Pubchem ID : | - |
Synonyms : |
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Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H332-H335 | Packing Group: | N/A |
GHS Pictogram: |
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* 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 |
---|---|---|
94% | 2.87 mL NaOH (5 N) in 2.30 mL methanol was added to N-tosyl-3-methylacetatel pyrrole 10 (260.8 mg, 0.89 mmol) and refluxed for 2 h. The methanol was removed and the residue was washed with diethyl ether and acidified by using a gradient of aqueous HCl in the range of 5 N-0.5 N to pH 3, and finally extracted four times with diethyl ether. The solution was dried over Na2SO4 anhydrous. After removal of the solvent, 3-acetic acid pyrrole 11 was obtained as a white solid (yield 105 mg, 0.84 mmol, 94%). The product was recognized by 1H NMR spectra [16] . |