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CAS No. : | 7699-00-5 | MDL No. : | MFCD00077825 |
Formula : | C5H10O3 | Boiling Point : | - |
Linear Structure Formula : | CH3CH(OH)COOC2H5 | InChI Key : | LZCLXQDLBQLTDK-SCSAIBSYSA-N |
M.W : | 118.13 | Pubchem ID : | 637513 |
Synonyms : |
|
Signal Word: | Danger | Class: | 3,8 |
Precautionary Statements: | P501-P261-P240-P210-P233-P243-P241-P242-P271-P280-P370+P378-P303+P361+P353-P304+P340+P312-P305+P351+P338+P310-P403+P233-P403+P235-P405 | UN#: | 2924 |
Hazard Statements: | H318-H335-H225 | Packing Group: | Ⅲ |
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 |
---|---|---|
92% | The 250 ml of toluene and 50 g of 6- methoxy - 1-naphthoic acid were added in a 1L three-necked flask and cool to below 10 C with stirring. 32 ml of thionyl chloride and 1 ml of N,N- dimethylformamide was added dropwise. Heated to 40 C and stirred for 4 h. The reaction was concentrated to give 54g of a yellow oil. 100 ml of toluene, 54 g of the above yellow oil and 80 ml of triethylamine were added to a 2 L three-necked flask with stirring and cooled to 10 C. A 29.2 g (R) - (+) ethyl 2-hydroxypropionate dissolved in 150 ml of toluene was added dropwise and the mixture was stirred at room temperature for 2 hours. Slowly the 10% citric acid solution 200 ml was added, and let stand stratification. The toluene layer was washed with 50 ml of saturated aqueous sodium chloride solution. The toluene layer was dried over anhydrous sodium sulfate. Filter, filter cake washed with toluene. The filtrate was concentrated to 69 g of a yellow oil ( compound III ), (R)- [1-ethoxy-1-carbonylpropan-2-yl] -6- methoxy -1- naphthoic acid ester, yield 92%. |
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