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CAS No. : | 57273-36-6 | MDL No. : | MFCD07783396 |
Formula : | C5H3NaO3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | - |
M.W : | 134.07 g/mol | Pubchem ID : | - |
Synonyms : |
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Signal Word: | Class: | ||
Precautionary Statements: | UN#: | ||
Hazard Statements: | Packing Group: |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
65% | In benzene; at 40℃; for 4h; | A freshly prepared solution of titanocene dichloride (0.25 g, 1.004 mmol) in anhydrousbenzene (15 mL) was added to a stirred suspension of sodium 4-methylbenzoate(0.396 g, 2.504 mmol) in anhydrous benzene (15 mL) and the stirring was continuedat 40 C for 4 h. During reaction, the color of the reaction mixture changed from blood-red to bright-orange. The orange solution was filtered through a frit coveredwith pre-dried neutral silica (1 cm layer, mesh size 100-200) and eluted further withanhydrous benzene (30.5 mL). The clear filtrate was concentrated using a rotaryevaporator to around 5mL and precipitated with excess anhydrous hexane. Theorange solid was collected on a frit, washed with hexane (25 mL), dried, and recrystallizedfrom anhydrous toluene under ambient conditions to afford orange crystals of1 at ambient temperature. |