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CAS No. : | 1711-05-3 | MDL No. : | MFCD00000673 |
Formula : | C8H7ClO2 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | RUQIUASLAXJZIE-UHFFFAOYSA-N |
M.W : | 170.59 | Pubchem ID : | 74374 |
Synonyms : |
|
Signal Word: | Danger | Class: | 8 |
Precautionary Statements: | P261-P280-P305+P351+P338-P310 | UN#: | 3265 |
Hazard Statements: | H314-H335 | Packing Group: | Ⅱ |
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 |
---|---|---|
40% | With triethylamine; In ethyl acetate; for 2h;Cooling with ice; | The 2-C-methyl-D- ribotide -1,4-lactone (1.62g, 10mmoL) suspended in 40 ml of ethyl acetate, under the condition of ice bath, by adding 3-methoxy benzoyl chloride (3.40g, 20mmoL, 2eq), slowly add triethylamine (3.0 ml, 22mmoL, 2.2eq), 2 hours to drop end, stirring overnight. Filtering, with 20 ml ethyl acetate wash the filter cake, combined with the phase, with saturated sodium bicarbonate, 1M dilute hydrochloric acid and saturated salt water washing, drying by anhydrous magnesium sulphate. Concentrated after filtering, column separation to obtain 1.72g colorless oily, yield 40percent. |
With triethylamine; In ethyl acetate;Cooling with ice; | General procedure: General procedure (A) for the acylation: 2-C-methyl-D-ribono-gamma-lactone 1 (1.62 g, 10.0 mmol) was suspended in ethyl acetate (20 mL), followed by the addition of acyl chloride (2.6 g, 20 mmol, 2 eq) under ice bath. To this solution was slowly added triethylamine (3.0 mL, 22 mmol, 2.2 eq), and the reaction mixture was stirred overnight. The insoluble substance was filtrated away, and washed with ethyl acetate (20 mL). The combined filtrate was washed with saturated NaHCO3 solution (20 mL), 1 M HCl (20 mL x 2) and brine (20 mL), respectively, then dried over Na2SO4 and concentrated. The obtained residue was purified by silca column chromatography or slurryed with toluene/petroleum ether to afford 2. |
[ 4521-61-3 ]
3,4,5-Trimethoxybenzoyl chloride
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