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CAS No. : | 708-76-9 | MDL No. : | MFCD00003328 |
Formula : | C9H10O4 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | FQRQWPNYJOFDLO-UHFFFAOYSA-N |
M.W : | 182.17 | Pubchem ID : | 69725 |
Synonyms : |
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Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302 | 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 dicyclohexyl-carbodiimide; In dimethyl sulfoxide; at 110℃; | General procedure: A solution of ortho-hydroxybenzaldehyde (1-4, 8 mmol), substituted acetic acid (a-c, 10 mmol) and DCC (12 mmol) in dimethylsulfoxide (DMSO, 10 mL), was heated (oil bath) at 110 C for 24-48 h. On completion of the reaction, cold water (100 mL) and acetic acid (15 mL) were added. The reaction mixture was stirred at room temperature for 4 h and extracted with diethyl ether (4 × 100 mL). The precipitated dicyclohexylurea was filtered off. The filtrate was extracted with 5% aqueous NaHCO3 (200 mL). The organic phase was stirred for 1 h with 5% aqueous sodium metabisulfite in order to remove the unreacted hydroxybenzaldehyde. The organic phase was washed with water, dried (Na2SO4) and the solvent removed under reduced pressure. The residue was purified by column chromatography (Hexane/EtOAc, 9:1). |
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